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Old Nov 29, 2009, 02:18 PM
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GermanTigger's Avatar
Germany
Joined Oct 2004
317 Posts
I have no problem answering your questions! The Grob and the Jodel are both from plans drawn by a friend! His name is Hilmar and he also sells the plans! You can get them from the publisher VTH.de
There you can also get the material for the planes!
Art.-Nr. 6211140 (for the Jodel+material) Art.-Nr.: 3201383 (for the Grob) and Art.-Nr.: 6211206 (for the canopy and material for the build)
The other method is to build a depron splitting device which is also described by Hilmar and the German magazin FMT!
http://www.vth.de/fmt-0709-096.html
Sorry, all in German!


Toby
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Old Nov 30, 2009, 09:55 PM
Registered User
Joined Nov 2009
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Thanks for the help, you are awesome!!!
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Old Nov 30, 2009, 10:29 PM
See you at the field
Joined Oct 2006
59 Posts
Flying Disc

Built this a month ago when the weather started getting colder here in Chicago. It is 3MM depron foam with Ember parts. The first version didn't really fly beacause I made it with elevons on the back and no rudder control. So I re-engineered and made it just elvetor and rudder. Also CG is critical to success. Control is now good and is actually quite stable. Seems a little underpowered. Weight is about 1 ounce. Is there a better prop I could use? It is a blast to fly anyway.

Karl
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Old Dec 01, 2009, 05:11 AM
Nothing flies like a Pitts
Meshuggah's Avatar
Stockholm, Sweden
Joined Aug 2006
317 Posts
Quote:
Originally Posted by Andrew Lai View Post
Wow, the stuff you build is just amazing. I'm a micro plane builder as well but compare to your skill I'm more like nothing!!!
Just few little questions for your advise. First, where can I purchase the material that you use for building the fuselage. Second, how did you get the fuselage become 3D dimensional? Are there any techniques for building great planes like yours? (mine is always "squireish" looking)

Hope you don't mind to answer my questions

Thanks =D

I build micro stuf with durobatics 0.25 and 0.5 (for bigger stuff over 30cm Ws) Just do a search on google. there are about 4-5 online-shops that got it.

To make the 3d look´n feel.
I ursualy make the cad on the computer and unfold/unwrap the model to get the pattern, then i print it on the depron with my printer andjust cut the parts,glue,bend and fold (observe the "just" word) Its biach to get it right, but you will get rewarded in the end. PM me for more info.
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Old Dec 04, 2009, 05:38 PM
Richard Cox
Thousand Oaks, CA
Joined Dec 2003
644 Posts
Dumas PT-19 conversion

Uses AR6400, AP-05 BL, HC 5A ESC, HC 240 mAH cell.
AUW is 55 grams.
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Old Dec 05, 2009, 12:11 AM
byte me!
0011000011001's Avatar
Joined Aug 2008
558 Posts
wow that plane is cool!
im trying to get my hands on a guillows kit and put my 6400 gear in.....
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Old Dec 05, 2009, 09:25 AM
Richard Cox
Thousand Oaks, CA
Joined Dec 2003
644 Posts
Dumas kits have much better wood than Guillows.
See their web site for the selection.

The last Guillows kit I built, I had to replace most of the wood.
I compared the weight to some good balsa I had and it was 3X the weight.

Light planes fly better!
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Old Dec 05, 2009, 10:21 AM
byte me!
0011000011001's Avatar
Joined Aug 2008
558 Posts
ill have a look at the dumbass kit then LOL
just for the record,i know how its pronounced
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Old Dec 05, 2009, 07:19 PM
Love the sport, not the plane
Hawaii
Joined Oct 2009
1,231 Posts
Very funny. Have you guys ever thought of instead of using balsa or ply as a frame, you could use 3-5mm depron? I have seen it done, and that thickness is very strong. Saves a lot of weight.
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Old Dec 05, 2009, 07:41 PM
Richard Cox
Thousand Oaks, CA
Joined Dec 2003
644 Posts
Balsa flies best.
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Old Dec 05, 2009, 08:14 PM
Let it Be
USA, WI, Oshkosh
Joined Jul 2004
307 Posts
Richard Cox-

Nice PT-19. What's the wingspan?
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Old Dec 05, 2009, 11:00 PM
Micro-Flyer
btgreen's Avatar
Newport Beach, CA
Joined Apr 2004
13 Posts
Quote:
Originally Posted by Ryan Archer View Post
hey guys,
these both use the ar6400, but neither is 4 channel...
only one is brushless also, i just had an extra laying around for the horten type wing, anyways the canard weighs 20 grams rtf, and has 40 grams of thrust from the brushless motor, and a 5 by 3 carbon propellor, controls are thrust vectoring, for the rudder, and the canard moves for the elevator, the horten is powered by two aero ace motors/propellors, both fly at just about walking speed, and very well, i am extremely happy with both, but a lesson learnt here is, when flying a thrust vectored plane, that relys on only the rudder and elevator, do NOT throttle down when your going to hit something and try to turn hahahaha
ryan
making me spend my money too! Gotta build a canard now, too cool! Could you describe the power setup?
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Old Dec 06, 2009, 09:43 AM
Nothing flies like a Pitts
Meshuggah's Avatar
Stockholm, Sweden
Joined Aug 2006
317 Posts
Quote:
Originally Posted by dylantorquerol View Post
Very funny. Have you guys ever thought of instead of using balsa or ply as a frame, you could use 3-5mm depron? I have seen it done, and that thickness is very strong. Saves a lot of weight.
3mm depron = ~ 1mm balsa in weight...
Balsa is more rigid, but takes more time/love.
I use depron on the parts where i can aford the "flexynes".
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Old Dec 06, 2009, 10:10 AM
Registered User
United States, FL, North Port
Joined Mar 2004
3,118 Posts
Here's micro #2 Its a reduced in size "6th Ver. 4" w/ some carbon for bracing instead of foam... Its a bit bigger due to staples not listening to what i wanted, so it ended up being 20" wingspan instead of 16 1/2". Still waiting on the brushless setup i ordered to show up and another spektrum linear servo. Weight as it is right now is 36grams. Paint,glue and carbon rod bracing added 3 grams (paint was only 1 gram). I'm expecting all up flying weight to be around 80grams w/ a 140g of pull w/ the brushless setup i chose.


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Old Dec 06, 2009, 11:02 AM
Richard Cox
Thousand Oaks, CA
Joined Dec 2003
644 Posts
DHABLE

It is a Dumas Walnut scale, 17-1/2" wingspan.
AUW is 55 grams. Flies nicely on the AP05.
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