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Old Jul 05, 2011, 04:05 PM
Forever WTTM Pilot #7
Buzz's Avatar
Daytona Beach, Florida, United States
Joined Aug 2002
11,051 Posts
Quote:
Originally Posted by LedKitty View Post
Hi gang!

Got some BEAUTIFUL sunset flights in last night with both my SeaFury and Lil Fishy My initial plan was to get Rick back in the saddle after his moth/fence interraction, but the wind spooked him so he opted to take pics instead and let me fly Thanks to that pleasant breeze I was able to hover Lil Fishy before us and got her to dance around like a heli! hehe Gotta love light birds...

Ty ty for the compliments, and the answer to the question is DuBro Micro-Lite 1.75" foam wheels I use those on many planes, including my DC-3 which I shall someday finish.

Cheers!

Kitty ^_^

Great stuff, Kitty. The pictures against that sunset are beautiful.

Especially the ones below 25ft..... LOL
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Old Jul 06, 2011, 04:21 AM
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Coolaid's Avatar
Australia
Joined Jul 2005
60 Posts
Got one of these for my girlfriend as a first trainer. I'm not sure that was a good idea as this is way too flimsy and fragile and requires absolutely still conditions. Maybe some EPO monster would have been a better option? Oh, well, after a half a dozen bad crashes and gallons of foam safe CA she's starting to understand some of the basics. I usually just try to take it to a hight first and let her take it from there. Another transmitter and a trainer cord would prolly make things easier but would be less fun for me.
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Old Jul 06, 2011, 09:10 AM
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United States, OH, Hamilton
Joined Nov 2003
1,187 Posts
Coolaid

If you keep her flying over tall grass, it's so light that it's hard to damage. Flying wires strengthen the wings a lot and a one piece cowl for the parkzone Cub is much thicker material than the stock cowl. Here are some mods from when I built mine,
http://www.rcgroups.com/forums/showt...=9#post4466631
She got crushed in the mail. The fuse was boke in two and wings torn. I used PU glue to repair it and bought an unpainted version to replace it but this one is still going strong.
Now I use the Feigao "36" in a "A" GB on a 2S 800 w/ 9x7 and the Cub cowl.
http://www.parkzone.com/Products/Def...ProdID=PKZ1126
Here's a couple shots of her today. Still a great flyer in the am or early pm when the winds are light.

David
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Last edited by dfemmert; Jul 07, 2011 at 11:58 AM.
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Old Jul 06, 2011, 09:49 AM
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RedHeckle's Avatar
Minnesota, USA
Joined Sep 2007
114 Posts
Quote:
Originally Posted by dfemmert View Post
Coolaid

If you keep her flying over tall grass, it's so light that it's hard to damage. Flying wires strengthen the wings a lot and a one piece cowl for the parkzone Cub is much thicker material than the stock cowl. Here are some mods from when I built mine,
http://www.rcgroups.com/forums/showt...=9#post4466631
She got crushed in the mail. The fuse was boke in two and wings torn. I used PU glue to repair it and bought an unpainted version to replace it but this one is still going strong.
Now I use the Feigao "36" in a "D" GB on a 2S 800 w/ 9x7 and the Cub cowl.
http://www.parkzone.com/Products/Def...ProdID=PKZ1126
Here's a couple shots of her today. Still a great flyer in the am or early pm when the winds are light.

David
David - Cool, thanks for the idea of using the Cub cowl! Got that tidbit noted down for future use.

Got to fly the Polski Moth today and ran into an issue with the motor. It's acting similar to when I had the bad lipos - motor only starts up at 1/2 throttle and does not have the expected high thrust at full throttle.

I'm using new 2s and 3s packs, so I've excluded them as a factor - will still check of course. The motor/ESC only have about 10 flights on her so far and I'm going to check those tonight.

Motor: 2712-12 from headsuprc
ESC: Thunderbird 9A
Prop: GWS 10x4.7 on 2s lipo, GWS 8x4 on 3s

Now that I think about it; I may have kept the 10x4.7 prop on during a flight on 3s lipo last week by mistake. So did I fry the ESC or motor? I have new2712-12 motor that I'll test with.

Cheers,
Glenn
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Old Jul 07, 2011, 10:00 AM
Registered User
Durban South Africa
Joined Sep 2003
188 Posts
Discontiunued. A very sad prospect.

Can discontinuation of all versions be far away?

The thought of it is unbearable!

Feedback from Advantage Hobby.

Dear Sir,

Thank you for your reply. No, we do not have any of the unpainted Tiger Moth's by GWS nor are we able to obtain them as they are a discontinued item.

Best Regards,
Lyle Greer
Advantage Hobby
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Old Jul 07, 2011, 11:56 AM
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United States, OH, Hamilton
Joined Nov 2003
1,187 Posts
Gravesrc still carry them. The "glider" version doesn't come with landing gear or motor but I made a few extra landing gear wires when I made mine and have several IPS gear boxes. It does come with the motor mount stick.
http://www.gravesrc.com/category_s/110.htm
Something else I may try instead of the Feigao "36"(4100kv, 4A)...if I get around to building my other Moth is this 4100kv Hyperion 12mm (5.5A) motor.
http://www.b-p-p.com/product.php?pro...&cat=31&page=1
I think the higher amp rating may be due to better magnets. It may be able to handle more heat but I'd still use the same set-up that I use now. The Feigao is rated at 4A but running close to that gets much too hot for my liking.
I mentioned that I'm using the "D" GB, I need to change that. I was using the "D" with 3S packs but I've gone back to the "A" GB.
With a 2S 800mah lipo (8.4V) and the 9x7 w/IPS A, I should be pulling 3.2A and 7.6oz thrust and get 13 min flight times with a 700mah pack. (according to this handy chart - Click On Thrust Data)
http://www.bphobbies.com/view.asp?id...08&pid=U117989
I tried the 9x5DD which I like a lot but the 9x7SF does much better here.
You may get 13 min at WOT on a 700mah pack but with my 2S, 800mah I bring her down after about 20 minutes of easy flying and have plenty left in the tank.
I had to remove the prop and pull the cowl to feel the motor after a flight but it's only warm after a normal flight.
I had to widen the opening a lttle more but this E-flite pack is narrow enough to fit nicely in the nose.
http://www.e-fliterc.com/Products/De...rodID=EFLB0990

David
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Old Jul 07, 2011, 12:11 PM
Registered User
Durban South Africa
Joined Sep 2003
188 Posts
I find the unpainted slope glider best value,do your own color scheme, the bycycle weels that come with the power versions are instantly replaced with decent wheels and the IPS motor instantly replaced with a cheap brushless so why pay for them?!
The yellow slopes are still available.
Fuselage and tail feathers colour is easily removed when one fills all the dimples and sands back)

Anyone had success in finding a chemical way to remove the stock yellow paint on the wings?
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Old Jul 07, 2011, 12:29 PM
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RedHeckle's Avatar
Minnesota, USA
Joined Sep 2007
114 Posts
Well, I found out the problem with the throttle; the throttle stick must not have been at zero when I plugged in the battery. I then probably put the throttle stick to zero which then armed the ESC but this caused the ESC to calibrate the throttle stick incorrectly - reason why no throttle response until 1/3 up.

So, I was able to fix one problem by ensure throttle is at zero before plugging in battery and I was able to fly during lunch yesterday.

New problem now is that the Thunderbird 9A ESC give 5 double beeps after the initial high/low beeps when battery is plugged in. I noticed this 3 flights ago. Castle is not sure of problem but wants me to send it in. I'll have to dig around for a spare ESC so I can still fly my Moth
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Old Jul 08, 2011, 11:41 PM
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Joined Oct 2005
144 Posts
Thanks for the info

Quote:
"Ty ty for the compliments, and the answer to the question is DuBro Micro-Lite 1.75" foam wheels I use those on many planes, including my DC-3 which I shall someday finish."
Thanks Kitty.

MM
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Old Jul 14, 2011, 11:18 AM
Elfi Flyer
Doug Sipprell's Avatar
Rock Hill, SC
Joined Oct 2002
5,546 Posts
Quote:
Originally Posted by RedHeckle View Post
New problem now is that the Thunderbird 9A ESC give 5 double beeps after the initial high/low beeps when battery is plugged in. I noticed this 3 flights ago.
You may have obtained one of the custom made ESC's, made some years back under the code word BUZZ. These (actually only one was ever produced) ESC's would beep once for every 5 feet of anticipated flying altitude, based on an algorithum that figured in amp draw, prop RPM, ambient temperature, and the bifocal strength of the glasses worn by the pilot. As such, maximum altitude with a plane so equipped was 25 feet, within the operating range of the pilot attempting to fly it. Can't verify this for sure, but I have always understood it to be the latest Buzz!



RD
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Old Jul 14, 2011, 11:36 AM
The figure "9" Specialist
aeronca's Avatar
A Barrier Island in New Jersey, USA
Joined Oct 2003
3,455 Posts
Quote:
Originally Posted by Doug Sipprell View Post
You may have obtained one of the custom made ESC's, made some years back under the code word BUZZ. These (actually only one was ever produced) ESC's would beep once for every 5 feet of anticipated flying altitude, based on an algorithum that figured in amp draw, prop RPM, ambient temperature, and the bifocal strength of the glasses worn by the pilot. As such, maximum altitude with a plane so equipped was 25 feet, within the operating range of the pilot attempting to fly it. Can't verify this for sure, but I have always understood it to be the latest Buzz!



RD
Actually, Doug is almost spot on - with one minor exception. The special "Buzz" ESC also had an altimeter rectifier which, when a height of 25' of his TM was attained, cut the the power to the motor to allow for the reflexes of the aging pilot to regain his sight of the plane and get his flight orientation faculties back. With this assist, the pilot for which the "Buzz" ESC was specially made was sometimes successful in resuming the current flight, sometimes not.

Aeronca
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Old Jul 14, 2011, 12:05 PM
I even seen a house fly!
LedKitty's Avatar
Montreal!
Joined Oct 2003
2,686 Posts
You guys are horrible! lol Buzz, didn't we attribute the 25' ceiling to excessive amounts of downthrust?

K.
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Old Jul 14, 2011, 12:23 PM
The figure "9" Specialist
aeronca's Avatar
A Barrier Island in New Jersey, USA
Joined Oct 2003
3,455 Posts
Quote:
Originally Posted by LedKitty View Post
You guys are horrible! lol Buzz, didn't we attribute the 25' ceiling to excessive amounts of downthrust?

K.
Sorry Kitty, only HE (not we) "attributed the 25' ceiling to excessive amounts of downthrust." Now, who ya' gonna' believe - two righteous highly regarded RC pilots and upstanding folks like Doug and myself, or that "other guy" that can't see trees through the windshield of his Porsche?

Aeronca
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Old Jul 14, 2011, 12:26 PM
I even seen a house fly!
LedKitty's Avatar
Montreal!
Joined Oct 2003
2,686 Posts
Ah.. um.. I'm gonna go with Buzz
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Old Jul 14, 2011, 02:57 PM
Elfi Flyer
Doug Sipprell's Avatar
Rock Hill, SC
Joined Oct 2002
5,546 Posts
Quote:
Originally Posted by LedKitty View Post
Ah.. um.. I'm gonna go with Buzz
No surprise here, the honey bee always goes for the best looking flower!




Aeronca: You are correct, and thanks for the clarification. The altimeter rectifer was a major feature of the Buzz ESC, and you could always tell if the device powered up correctly. It played the tune Auld Lang Syne.



RD
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