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Old Jan 04, 2005, 01:24 PM
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Mini-Review
Focke-Wulf Ta-152H

Ta-152 ( Ta-152H ) I'm putting one together, gas to electric conversion of a very nice 1.2m span German molded kit. Nice strong wing and fuselage, ideal for scale retracts.

Here's more or less what the original looked like:

.
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Old Jan 04, 2005, 01:29 PM
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Details of very nice gel-coated fuse. Size comparable to JePe warbirds (here the Spitfire) ...
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Old Jan 04, 2005, 01:34 PM
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The removable cowling makes the motor (Mega 30/3 dd) installation easier.

Obechi pre-sheeted wing is very light and strong, with plenty of tickness for a scale retract installation (Great Planes .10 mechanical retracts) .

Overall a very nice kit perfectly suited for "adequate power" electric conversion ...
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Old Jan 04, 2005, 03:12 PM
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Herb,

Where did you get the kit???

Nik
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Old Jan 04, 2005, 03:25 PM
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Here:

http://www.dk-modelltechnik.de/modelle/modelle.html

They have a set of very nice looking and light (fg molded fuse) warbirds at very good prices.

I'm not saying it's a substitute for three months of filling and sanding a balsa sheeted fuse, but the gel-coated glass work is really first class ...

The model is actually made in the Cz Republic:

http://www.steinmodel.cz/index.php?id=stavebnice

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Old Jan 04, 2005, 03:42 PM
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Herb,

Thanks for the link. I'll have to wait until this evening until the wife can translate the text for me. I am in the process of finishing up the Jepe Spit. I e-mailed Warbirds rc and found out they are on their last few Jepe warbirds and I liked the build on the Spit so much I bought a spare (along with a p-51 for good measure). I'm excited if there are similar aircraft available from another manufacturer.
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Old Jan 04, 2005, 04:38 PM
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Same thinking here!

I have a JePe P-51 (not the Reno) unbuilt and the fuse is 6 oz. The above gel-coated Ta-152 fuse - which is a bit larger - weighs only 8 oz! Otherwise the weights should be the same.

Personally I think any of the FW's or the Typhoon or Ki-61 would make great electric conversion (with or without LG). Note that you can get spares (wing, fuse, canopy etc) on all models.



Dirk is very helpful and speaks some English : info@dk-modelltechnik.de

The only problem is the rather steep shipping costs from Germany. If Markos were to stock them that would be great and the shipping costs would go down significantly ...

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Old Jan 04, 2005, 11:55 PM
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Hello Herb, I f some one is thinking of buying some of these kits I may have a way to ship for little to no cost to Ca. I have a friend that brings a container in from Germany every few mounths.He always has exta space
Scott S.
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Old Jan 05, 2005, 03:57 AM
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HereŽs the manufacturer, combat IC models, suitable for conversions.
http://www.steinmodel.cz/index.php
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Old Jan 05, 2005, 10:52 AM
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Herb, Waverly RC had these models and were offering them for only $75 but I think they've gone out of business as their website (www.waverc.com) is now defunct. I picked up the Typhoon and it does look good for a conversion. I was thinking of this motor: http://www.hobby-lobby.com/brushless-mpjet.htm#AC (see the motors up top). I'm shooting for a lightweight setup, though, what do you estimate AUW will be?



Joe
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Old Jan 05, 2005, 12:30 PM
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Now there's a business opportunity ...

I personally would be interested in the Ki-61 or Typhoon, they look like great subjects.

The Czeck manufacturer does not seem to take visa or paypal so direct order & shipment from there is more complex.

The larger MPJet outrunner looks good, I think you need 300-500 Watts to fly these warbirds. I still have a slight preference for the Mega 20-x or 30-3 6-pole direct drive (more efficient and less rotating mass).

Mine - including retracts - should not be any heavier than my JePe Spitfire (see recent thread here) which weighs in at about 46 oz incl 3S PQ 3100N LiPo battery.
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Old Jan 05, 2005, 01:02 PM
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Herb, how do you plan on mounting the mega? I like the MP (and Axi's for that matter) since they can be back mounted to the firewall but am also considering the 36 himax motors.
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Old Jan 05, 2005, 01:57 PM
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Regarding the motor mount, I was planning on epoxing a fg pre-drilled motor mount plate (which I already have) to the front of the cowling, which right now is still closed (ie no round opening in center yet). And then securing the whole cowling/motor assembly to the fuselage.

But your idea of mounting the outrunner to the firewall is a good one too, the gas firewall seems really strong and you should have a very secure mount! Don't know much about dimensions though, e.g. is the motor long enough? But you can always extend it via the mounts. Looking forward to pictures of your motor mount.

Re Himax I have two small Himax 2025/5300 (in a Cobri gb) and I can only say good things about them, they seem very good motors, light durable and efficient. My older MPJet 2025 with MPJet GB is really no comparison, maybe he's getting old and tired . I think the small Himax is a better motor.
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Old Jan 05, 2005, 02:22 PM
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Herb, that's exactly what I'm worried about. I may just go the route of the adjustable mounts ZB sells at epritmodel.
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Old Jan 05, 2005, 02:40 PM
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Quote:
Originally Posted by JPHen
Herb, that's exactly what I'm worried about. I may just go the route of the adjustable mounts ZB sells at epritmodel.

Hows that pfiel doing, Joe?

Steve
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Old Jan 05, 2005, 02:55 PM
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I see what you mean ...

http://www.espritmodel.com/accesorie...otormount.html

They are indeed fully adjustable which is nice, but the weight penalty for a realy secure mount might be significant.
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Old Jan 05, 2005, 03:38 PM
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To be honest, I am getting ready to paint it. I had to practice on a lot of other planes before I started on the Arrow. German planes seem to be much easier to paint, though

Joe



Quote:
Originally Posted by St. Martin
Hows that pfiel doing, Joe?

Steve
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Old Jan 08, 2005, 12:06 AM
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... Today at the AMA show I found a Polk micro retract servo that should work just fine the the Great Planes .10 retracts ...

http://www.modelaircraft.org/05amaconvention.asp

I was quite amazed by the variety of brushless motors and controllers on the market:

Hacker (segmented, unsegmented & outrunners)
Plettenberg
Kontronic (incl. Tango)
Mega
Jeti
MPJet
Himax
Axi
Actro
Typhoon
Aveox
Astroflight
Feigao
Align
Neu motors
Aon
Het-rc
E-flight
Various cd-rom type motors

and probably a few more I don't remember the names ... + all the mounts and gearboxes ...

Seems like everybody and his brother is making some small outrunner for gws planes ...

Two years ago it was two brands (Astro and Aveox)

And of course Kokam, Thunder Power, Polyquest, Apogee, Tanic, Align and some other obscure brands ... Including a large variety of LiPo chargers.
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Old Jan 11, 2005, 12:22 PM
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Relative retract sizes. The $12 GP/TT .10 ones are the second from the left (bluish color plastic mounts)

http://www2.towerhobbies.com/cgi-bin...p?&I=LXUY31&P=

.
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Old Jan 11, 2005, 12:24 PM
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Small retract (180 degree) servo from Polk's Hobbies,

http://shopping.netsuite.com/s.nl/c....it.A/id.124/.f

found at the IMS/AMA show last Friday. Note mm travel labels already stamped on wheel. GP micros need 18mm travel.

.
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Old Jan 11, 2005, 12:26 PM
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Retract location
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Old Jan 11, 2005, 12:28 PM
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Motor mount, screw pattern is actually for Hacker B50L, but fits Mega too.

.
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Old Jan 11, 2005, 02:22 PM
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So Herb, you going to front mount your Mega on the cowl? I measured the distance from the firewall to the front of the cowl and it's about 4 inches on the Typhoon - looks longer on the TA...
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Old Jan 11, 2005, 05:14 PM
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Yes I am thinking of securing it in the standard way (for electrics), to the fornt of the cowling.

The first step will be to glue the motor mount to the cowling front, then drill through the motor mount and cooling holes, and finally install the motor with two screws.

The second step will be to glue - with the motor already in place - a rolled ply cylinder flush to the back of the cowling, to mount the motor more securely.

Once that is done, the whole cowling + motor assembly can be attached to the fuselage.
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Old Jan 15, 2005, 02:45 PM
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Couple more pictures of progress so far ...

Retract cutouts and install


.
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Old Jan 15, 2005, 03:11 PM
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I'm intrigued. More pics please as you get on with it. This will be a sweet flying bird! What is the weight limit on the GP .10 retracts?
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Old Jan 16, 2005, 04:29 PM
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Thanks for the comments ... More retract & rudder pictures

.
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Old Jan 16, 2005, 04:32 PM
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getting closer ...

Sensitive areas of the wing (wing joint, retract area, wingtips) were finished with a thin coat of laminating epoxy.

Top of the wing was covered with silkspan and "dope" to get a smooth surface for painting. The "dope" was minwax floor polyurethane though, quite thin and unexpensive . It seals the wood for later use of water based acrylics.

Later several coats (3-4) of water-based Johnson "Future" acrylic floor varnish were added, to get a smooth finish.

.
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Old Jan 23, 2005, 04:40 PM
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When the Mega ACn 22/20/4 arrives in a few days, the Ta-152 should be ready for the first flight.

I installed all the electronics & servos, and checked the GreatPlanes retract + retract servo mechanism. The weight limit on the retracts is I suppose a .10 sized plane, maybe in the 40-50 oz range? Depends on your landing style as well.

Also found a nice 3-blade prop ...
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Old Jan 23, 2005, 04:47 PM
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Finished making the DB exhausts and the turbocharger intake out of balsa.

Also got all the RLM paints I needed, will follow this 1945 scheme :

.
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Old Jan 25, 2005, 05:52 PM
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Herb,

I've been emailing Dirk about these kits and he's provided a good quote on a package of the Ki-61, FW 190-D9 and Ta-152. Any reservations on your part or would you buy the kit again?

Ken
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Old Jan 25, 2005, 05:53 PM
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Herb,

Also - what is your secret for such clean cuts in the fiberglass?

Ken
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Old Jan 25, 2005, 07:50 PM
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Ken,

I have no reservations on the kit I have. I haven't seen any of the other ones, but if the quality is anything like the Ta-182 then they should be excellent! It did not even know about the existence of these kits until about two months ago...

The glass work is light and first rate, gel-coated with panel lines engraved. The wing is flawless, the canopy looks perfect. What more can you ask for?

They seem to me ideal for electric conversion.

I would certainly buy another one (the Typhoon), but the shipping costs for one kit are a bit steep. Maybe it can be added to you shipment ...

I did the rudder cutout just with a dremel cutoff wheel, all you need is a steady hand. I just followed the engraved panel line.

The Ta-152 kit I have is an easy build, of course the retracts take some patience, as always.
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Old Jan 25, 2005, 07:52 PM
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Made exhausts and supercharger intake. And the gear doors. Also masked the canopy and put a stripe around the spinner.

.
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Old Jan 25, 2005, 07:52 PM
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Herb,

I'd be happy to combine shipment - we may even be able to get a discount for multiple kits. Drop me a PM and let's discuss.

Ken
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Old Jan 25, 2005, 07:55 PM
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Yesterday evening I had some time to start airbrushing the base coats.

Note smooth finish of obechi-sheeted wing after it has been covered with silkspan (applied with floor polyurethane) and then covered with 3 more coats of "Future" water based acrylic.

I used, as usual, Tamiya water based acrylics, thinned with alcohol, very dense in pigment and extremely easy to apply. RLM 76 (Lichtgrau) was mixed with XF-2 and XF-23, while the post-1944 RLM 81 (Leichtgruen) and RLM 82 (Dunkelgruen) were represented by XF-4 and XF-61 respectively.

Mottles will follow later.

.
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Old Jan 25, 2005, 10:17 PM
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Herb,
Its looking very good so far. Can't wait to see more.
Dave
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Old Jan 26, 2005, 01:57 PM
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Absolutely beautiful. I love the lines of the D9 and the Ta-152. Kurt Tank really knew how to design.

Ken
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Old Jan 26, 2005, 04:34 PM
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I just placed an order with Dirk - 6-8 weeks to ship! Now I just have to get that MR Ki-61 done in the meantime.

Ken
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Old Jan 26, 2005, 08:00 PM
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I think there's a chance that Markos at warbirds-rc.com might stock them in the future. In which case he will have a whole container shipped over . Also it would nicely complement his moulded JePe warbirds (P-51, Spitfire) line,

http://www.warbirds-rc.com/Merchant2...tegory_Code=AP

I think I will wait till then ... Yes the K-61 is a really good looking plane, with very colorful paint shemes.
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Old Jan 27, 2005, 09:17 AM
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Looking really good!

I was thinking about getting that Hawker Typhoon and putting maybe Micro-15 in it or new micro-29. How much you managed to get the weight off? Because its ment to be a combat glow model it has structures ment to sustain heavier vibrations....


Luckily our LHS is getting those planes at pretty good prices... 95€ a piece.

IŽm waiting anxiously for maiden and especially working of those retracts ....
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Old Jan 27, 2005, 12:42 PM
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I probably should also wait for Markos to import these, but then again I've never been very good at delay of gratification.

Ken
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Old Jan 27, 2005, 02:12 PM
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The prices are very good in Europe, the exchange rate and shipping bring them up quite a bit for us overe here.

Markos will know what the deal is in a few days.

The retract setup is the same as in my JePe Spitfire, so it works just fine

http://www.rcgroups.com/forums/showt...1&page=3&pp=15

with $13 GreatPlanes .10 mechanical retracts + 180 degree retract servo:

http://www2.towerhobbies.com/cgi-bin...?&I=LXUY31&P=7

The wing is actually thicker at the root on the Ta-152, so there's more space for the wheel to retract in.

Regarding the weight issue, there is really none. The fiberglass gel-coated fuse weighs two oz (60g) more than the JePe P-51 fuse. The wing weighs about the same. The elevator is thicker than on the Jepe, but I like it that way, it's a bit stronger. Also, I am not using the heavy ply former on which the gas version mounts the motor, nor am I using the second ply former needed for inverted combat handlaunches.

My JePe Spitfire with the 3S 3100 Lipos weighs ready to fly about 46 oz (1310g), the above Ta-152 should weigh about the same , as I am using a lighter retract servo, lighter aileron servos, and very light elevator/rudder pushrods (you need to keep the long tail light on the FW's). I just hope I won't need lead in the nose ...
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Old Jan 28, 2005, 07:17 PM
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The motor arrived finally, Mega ACn 22/20/4.

The front plate holding the motor is thick fiberglass, glued to the original fg cowling. The plate does NOT come with the kit (which is for IC power).

The former is glued in, with a hole for the esc to pass through (Kontronic 70A).

A second large hole is needed below that for the LiPo battery to slide through. The battery needs to be ALL the WAY forward otherwise the CG won't come out right!

Finally the cowling is glued onto the fuse with Probond - just hope I won't need to service the motor anytime soon!
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Old Jan 28, 2005, 07:22 PM
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Wing comes sheeted in obechi. I sealed the wood with a thin coat of floor polyurethane, covered with silkspan.

Then three coats of fast drying water-based floor acrylic (future), tamiya water-based acrylics and a final coat of future.

No glassing, no messing around with epoxy, no messy wet sanding, no toxic fumes etc. Only would have added weight to a wing that's already strong enough as it is ...
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Old Jan 28, 2005, 07:29 PM
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Final weight is 49 oz rtf.

Plugged the battery in (PQ 3200 3S) and got with the 3-bladed 10x7 prop and Mega 20/4 about 39A, 350 Watts. Or ca. 115 Watts per pound ...

.
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Old Jan 28, 2005, 07:47 PM
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Sweeet!

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Old Jan 29, 2005, 03:22 AM
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Herb

Your truly are an ArT-eaST!!

Good luck with the flights!

Bruce
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Old Jan 31, 2005, 07:30 PM
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Thanks for you gracious comments ...

Here's a video of how well the Great Planes .10 retracts work:

short retract operation video


... On a different note, I just found a nice thread where Jim Ryan converted a Stein Model Polykarpov I-16 Rata

http://www.steinmodel.cz/index.php?id=st_rata

to electric using a Hacker B20-18L with gb:

http://www.rcgroups.com/forums/showt...highlight=rata
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Old Feb 01, 2005, 03:19 AM
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Very nice Herb, fantastic job! I wish you the best of luck on the maiden a many happy landings with this beautiful bird.
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Old Feb 03, 2005, 02:33 PM
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Herb,
I passed a link to this thread to Mr. Stein at Steinmodel and he was very excited about your great work and installing the retracts!

And just one note for all you Ta-152 scale lovers, Steinmodel will be releasing the Ta-152 in a fully moulded GFK/ARF wing version with panel lines and details and ready for mechanical retracts installation and probably a lighter fuselage (they are willing to produce a lighter fuse even now when you order from them direct and tell them that youŽre going with electric power). This will reduce the total weight of the model and should result in better performance! Too bad I have so many kits on the shelf, otherwise, I would not hesitate!

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Old Feb 03, 2005, 06:20 PM
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Thanks for the comments - wonders of the Internets !

Markos at warbirds-rc.com is getting a big shipment of the complete Stein Model FG line, so I am sure we'll see more here ... Lighter fuse is good but not absolutely necessary I think. Maybe a lighter tail part, I think I need lead in the nose !!

The maiden went ok, it was really windy (25+mph) so the flight was short and intense .

It needed quite a bit of downtrim, and the CG was too far back making it a bit hard to handle (the instructions suggest 55mm from the LE at the root, while 24% MAC is more like 85 mm, I used about 65mm for the maiden). Also the lack of washout at the tips means some easy tipstalling if you slow down too much.

In any case I landed it all in one piece, and the retracts held up really well . In fact I was able to taxi and takeoff from short grass with no problems.

.
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Old Feb 03, 2005, 07:59 PM
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Boy that looks good. Great job! I've always loved the ta152. The Germans made a few ta152c versions that had a short span wing, but still had the extra long fuse.

Excellent work -- Stacker
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Old Feb 03, 2005, 08:50 PM
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Herb, the finish looks even better in the daylight. Did you use an airbrush in addition to the basic can Tamya paints?

Of course the RG setup brings this model into it's own class.

Outstanding job!
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Old Feb 04, 2005, 02:32 AM
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VIDEO, VIDEO, VIDEO!!!! IŽm sure we would all like to see a vid of the take of with the gear retracting afterwards, flight, gear down a smooth touchdown .
Again, looks very nice, great job!
Mickey
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Old Feb 04, 2005, 08:50 PM
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Very beauty model, my first electric was a Ta-152 H "boxy" fuselage, that I designed, flew very nice, this is one of the most nice scale planes.

Cheers.

Alf "SSO"
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Old Feb 05, 2005, 09:29 AM
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Beautiful model! I see you fly off an "unimproved" field. How sturdy is the landing year? I fly off a grass field and it would be nice to be able to use landing gears on my models.
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Old Feb 05, 2005, 09:48 PM
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Short Ta-152 video :

Ta-152 video (hi res video, 24 MB)

Ta-152 video (low res video, 5 MB)

.
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Old Feb 08, 2005, 10:24 AM
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Beautiful flyer! The long lines look great and the size seems just right for ease of transport and good flying qualities.

Did you ever recover the right main gear door? Must have come off in flight somewhere. How did you attach them? I've always had good luck with scale gear doors on my models but keeping them firmly attached over countless landings and high speed passes has been a maintenance issue for me too.

So, what do you think? Are you happy with the Ta?
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Old Feb 08, 2005, 02:55 PM
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Yes, hey where's my gear door ... ?

The gear door was just a piece of styrene plastic from a "for sale" sign, so I cut another one. It was held in place with dabs of silicone, I will be switching to two small straps with screw retainers instead.

It flies very nicely, it takes off in just a few feet and floats in nicely for landing (hey Jim can you cut that grass for me some more ? ). Gregg took that nice video, thanks Gregg.

I have flapperons set up - but did not use them yet. It definitely likes to tipstall if you fly it too slow, it just likes to go faaast . All Ta-152 are like that, Gregg tells me.

That 3-blade MA gas prop I am using is - I think - just horrible. It's a pain to balance, heavy as hell and probably quite inefficient with those thick stubby blades. I have since switched to an APC 10x7 E two-blader which is now as smooth as silk . Have yet to fly it on this setup but it should be MUCH better and a bit faster.

The GP .10 retacts are holding up very well (on 49 oz auw) and have not given me a single problem yet. Have not even managed to bend them yet, I am sure that will come eventually ...

On the whole, once setup right a really relaxing weekend flier ...


.
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Old Feb 08, 2005, 11:27 PM
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OHHH....THAT IS SWEEEEET!
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Old Feb 09, 2005, 06:07 PM
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Ok Im sold!!
that is one beautiful bird!
I want to try the Polykarpov I-16 Rata
Herb how much did the kit cost including shiping?
Greg
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Old Feb 09, 2005, 07:33 PM
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I am told that www.warbirds-rc.com will soon carry the whole SteinModel line.

I don't know what the pricing structure will be, but in Germany

http://www.dk-modelltechnik.de/modelle/modelle.html

the SteinModel kits sell for 110 Euros, which is around $141 and in fact cheaper that some wildly overpriced foam stuff.

Not bad for a lightweight gel-coated fiberglass fuse kit (unless of course you like to spend months strip planking, fiberglassing, filling and sanding ... ).

I myself have been looking for a while at their Hawker Typhoon,

.
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Old Feb 10, 2005, 09:53 PM
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Thanks Herb
yea that typhoon looks sweet too!
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Old Feb 10, 2005, 10:49 PM
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Nice plane Herb question about your retracts is that a special servo that is used
or will a standard servo worl?

Tom
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Old Feb 11, 2005, 03:02 PM
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I used a lightweight retract servo (see above), but a regular retract servo will work too. It will just be a bit heavier and bigger.
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Old Feb 11, 2005, 03:52 PM
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Hi Herb I guess i mean is there a servo especially for retracts or would any servo do for the retracts? if so what is the difference

Tom
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Old Feb 11, 2005, 07:55 PM
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Quote:
Originally Posted by Tree_Magnet
Hi Herb I guess i mean is there a servo especially for retracts or would any servo do for the retracts? if so what is the difference

Tom
a retract servo rotates 180 deg.
normal servos are around 120deg.
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Old Feb 12, 2005, 02:53 PM
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Also, many if not all retract servos are non-proportional. They are either "closed" or "open" so they do not continuously draw power from the flight battery (running the battery down and burning the servo up) after they reach one position or another.
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Old Feb 13, 2005, 03:46 PM
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Exactly.

I did not menton before that the decals that come with the FW Ta-152 are not particularly useful ... They are representative of the 1939-1944 period.

As a result I had to make my own decals.

Having waisted considerable time in the past on less-than-marginal results with homemade inkjet decals (the HP inkjet ink inevitably fades - no matter how many coats of krylon you put on top of them ), I carefully cut my own out of sticky back monokote and similar:


.
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Old Feb 16, 2005, 07:19 PM
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Herb,

My kits just arrived from Germany. Only a couple of weeks in transit. Beautiful glass work, as you said.

Ken
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Old Feb 17, 2005, 11:17 AM
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So which one(s) did you get ?
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Old Feb 17, 2005, 01:22 PM
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Well, in my normal disciplined manner - the Ta152, the FW 190, and the Ki-61.



Ken
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Old Feb 21, 2005, 02:44 PM
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No fly at the MWE, field was flooded in mud


.
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Old Feb 22, 2005, 12:45 AM
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Herb:

Great job. It reminds me of when we each built a foamie Scorpio FW-190 with those terrible Robart 123 retracts a few years ago. This is much, much better! I especially like the way that you put the retracts in the scale position near the leading edge of the wing. Those long legs have such a distinctive look -- like what our 190's should have looked like. One suggestion after watching the video of the retracts cycling: you should get one of those servo delay modules that slows them down so they look scale. I have used them on several planes and it really adds to the scale look. Hobby Lobby sells a unit that's adjustable (to vary the time delay) for around $20. Recently, I bought a much smaller device from my LHS for only $10 that isn't adjustable but is set for a 4 second delay, which is just right for retracts.

Neil
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Old Feb 23, 2005, 11:48 AM
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Hey Neil thanks for the comments. Yes indeed those GP retracts are sooo much better than the robarts 1/2a. It would be nice if somebody would clone the GP/TP retracts in aluminum ... Yes that servo delay unit is on my list .


.
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Old Mar 09, 2005, 12:47 PM
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Hey, your FW-190D is really great. The only think it is missing IMHO is a 3-blade prop.

So look here for the prop:
http://www.ramoser.de/home_e/variopr...rioprop_e.html

(Maybe this will become my next project)
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Old Mar 09, 2005, 12:51 PM
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See pictures in post 52 and flight video in post 59.

Btw it's a Ta-152 and not a FW-190D .
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Old Mar 09, 2005, 09:22 PM
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My Wife is in Russia (visiting her mother) and she found some stine kits at a hobby shop and will be bring me back a Rata!!!!!
Greg
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Old Mar 10, 2005, 01:58 PM
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Lucky you! The Stein Model Rata looks very good and would have been on my list were it not for the fact that achievening proper CG with a LiPo could be a bit of challenge ...

I think I'll just wait for the Macchi 202 Folgore ...

.
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Old Mar 10, 2005, 03:02 PM
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HERB,
I have been thinking about drawing up a 42" or so Fiat G55 or a Macci Folgore .....pretty birds.
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Old Mar 10, 2005, 04:56 PM
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Love to have a scale one !! Put me on your list.

Macchi MC-202 Folgore or MC-205 Veltro are - as you know - very close. An Italian would not even compare the Fiats to the Macchis . Ing. Mario Castoldi is still revered today as one of the great aeronautical designers, whose designs were initially doomed by unreliable, weak Fiat engines.

I think all planes in this size range should now have at least the option for retracts (GP .10) , since LiPos are becoming so light & powerful nowadays.

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Old Mar 10, 2005, 05:06 PM
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Mark,

The Macchi MC-202 is indeed a beautiful bird and it meets your "pointy nose" criteria.

Bring it on!

Ken
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Old Apr 20, 2005, 11:01 AM
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OK, I did it. I ordered Hawker Typhoon from local hobby shop which inports SteinŽs planes. IŽll install great planes .10 retracts with HS-75BB servo. Also have to put flaps in it. Ailerons with some really small servos and have to lighten up the wing by making holes in it.. maybe. At least heavy sanding. IŽll try using CC25 and Typhoon micro15 first but if it doesnŽt fly have to upgrade the engine and ESC. Also have to make separate power circuit for servos. I wont make tail gear retractable. Tail feathers will be remade from 6mm depron with balsa and 25g/m2 fiberglass finish.

We will see how I manage to pull this one through... Target weight 1000-1200g.
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Old Apr 21, 2005, 01:11 PM
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Quote:
Originally Posted by Ceeray
... IŽll try using CC25 and Typhoon micro15 first but if it doesnŽt fly have to upgrade the engine and ESC. ...
It won't fly. It's a parkflier motor limited to 200 Watts or so (as Plettenberg points out). The Stein Model Typhoon (with or without GP .10 retracts) will need at least 350+ watts to fly decently.

You will need a geared 480 motor (Kontronic Fun400/Fun480 or Hacker B40), a Mega 22/20/xx or a suitably sized Axi outrunner.
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Old Apr 21, 2005, 04:43 PM
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Well, at least my 900g Curtiss hawk flies great with that motor even not all taken out of it. 1200g should not be such a problem when the motor gives out 200W and takes in 250W . check out RBC kits LA-5 and such, Typhoon-15 recommended and it is 1100 g plane.. And slimer version without retracts weights 1200g, been done in Finland.

But If it doesnŽt , Micro-29 will do the job. Lipos and CC35... Then it will scream.
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Old Jul 21, 2005, 12:03 PM
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Hey Herb, quick question for you. What size of wheels did you use and how much more perfomance did you get by switching to a 10x7 apc prop? That is a beautiful bird!
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Old Jul 25, 2005, 04:08 PM
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They are Dave Brown low profile foam wheels, they work just fine. The Ta-152 has a thin wing.

Over 50 takeoffs and landings on grass on the GP/TT .10 mechanical retracts, no problem whatsoever .
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Old Aug 09, 2005, 05:22 PM
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Gregg took a short video of my FW Ta-152 last weekend,

http://www.rcgroups.com/gallery/show...cat=510&page=1

Now it flies on a PQ 3S2P 3100 setup, ca. 550 Watts . The whistle in the last frames is due to the landing gear covers.
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Old Sep 17, 2005, 11:25 AM
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Longer and slightly better video from a couple of weeks ago..
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Old Jan 31, 2006, 06:48 PM
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... For those interested, the Focke Wulf Ta-152 is now avaliable with a fully molded wing (instead of the obechi sheeted foam one), which would make it a fully molded 1/12-th scale airframe.

http://www.steinmodel.cz/de/index.php?id=st_ta-152h-k

http://www.dk-modelltechnik.de/model...pta152gfk.html

http://dk-modelltechnik.de/modelle/8/ta152.html

.
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Old Jan 31, 2006, 07:37 PM
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Herb,

did you ever buy any of the other kits?

ken
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Old Feb 01, 2006, 12:13 AM
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Not yet ... Still flying both the FW Ta-152 (almost every weekend) and the JePe Spitfire, so I'm kind at the limit till I crash one of them .

I am surprised nobody imports them to the US, they seem fabulous products for a very good price. And of course these days retracts is the way to go on these size birds.

Did you finish yours? See more of my Ta-152 in the April issue of Q&EFI ...
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Old Mar 26, 2006, 03:01 PM
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Hi Herb,

the TA-152H looks really great ! I bought one (the fully GFK version) last week and i am really looking forward to building it. There is just one big problem. I am not very experienced in airbrush painting. Can you give me some more details about the technics you're using ? For example: you wrote, that you use Tamiya paint mixed with alcohol. How many parts of paint and how many parts of alcohol ?

Thanx !

Greetings Enno
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Old Mar 31, 2006, 02:37 PM
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I use the Tamiya water based acrylics in a Tamiya airbrush. I thin them around 1/3 part Tamiya thinner and 2/3 parts paints, but the ratio is not critical as long as you don not thin them too much (then they run).

Just test it on a piece of paper !

I clean the fuselage with alcohol, and apply the paint directly (no primer) - for weight considerations. Make sure you do not put too much paint on the tail, otherwise you will end up with a tailheavy model!! With light Lipos tailheaviness seems to be a constant curse.

The model master acrylics work too, but they tend to clog my airbrush and don't clean up easily with windex! In europe the gunze sangyo or whatever they are called seem very popular.
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Old Apr 02, 2006, 10:05 AM
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Thanx for the information ! I already ordered some tamiya paints for testing.
Btw, i use a aztek 470 airbrush.

I think i will use a Kontronik Kora 15-14 and the Jazz 55-6-18 controler. I have a 6000 mAh 5s3p Lipo. That should put enough weight on the nose and give a lot of flight time. Do you have some more information about the CG yet ?

The only thing that's not decided now, is whether i go for a landing gear or not. It seems fairly easy to put one into the gfk wing.
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Old Apr 02, 2006, 06:49 PM
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I think the Kontronic Kora should work very well !

You should look for a setup that gives you 500-600 Watts on a 9x6 ... 9x9 to 10x8 ... 10x10 prop. Mine flies with a Mega ACn 22/30/3 (second one, melted the epoxy in the windings in the first one ) and an apc 10x10 prop, on 3S 2P 4200's it pulls ca. 55A full throttle and ca. 540 Watts. The Ta-152 does not like to be flown slow, especially in the turns! I fly mine almost every weekend, and it's always a crowd pleaser.

Also, retracts will give you a lot more fun - and will add very little weight if done right. Besides the excellent Polk micro retract servo I used and which has worked flawlessly so far, Waypoint now sells a very nice small retracts servo as well:

http://www.allerc.com/product_info.p...oducts_id=2121
http://www.allerc.com/w-servos.htm

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Old Apr 02, 2006, 06:56 PM
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There's more recent talk on the Stein Model line here:

http://www.rcgroups.com/forums/showt...=492649&pp=100

and here:

http://www.rcgroups.com/forums/showt...=497881&pp=100
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Old Apr 10, 2006, 01:47 PM
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... The Stein Ta-152 was radar-gunned last Saturday at 109 mph from a slight dive. Coming in at you it has a tiny radar cross section.
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Old Dec 30, 2006, 08:14 PM
BJB
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Heb,what is the price of the Fw-190 in US? BJB.
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