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Author Topic: Trim PECKS STRINGLESS WONDER  (Read 872 times)
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kill-1
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« on: December 12, 2015, 01:37:37 PM »

Has anyone added a rudder for trim besides the paper one? id like to trim the wonder to fly better indoors in a gym.Thanks Huh
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NormF
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« Reply #1 on: December 12, 2015, 02:30:16 PM »

I would try bending left thrust in the plastic prop hangar. It's simple and you can always bend it back if it doesn't work.

Norm
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kill-1
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« Reply #2 on: December 12, 2015, 06:01:59 PM »

thanks norm, i built a small thin balsa rudder and elevader ill post after i try it.THANKS Grin
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mkirda
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« Reply #3 on: December 27, 2015, 03:23:57 PM »

I built one of these back in March to fly at the EAA's FlightFest.

What I found is that they basically don't do well indoors. Any slight bump and they dive for the ground.

I do like the design and would make it again for outdoor fun flying, but wouldn't bother with flying one indoors ever again.

Regards.
Mike Kirda
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lincoln
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« Reply #4 on: December 28, 2015, 12:25:30 AM »

Do they get in some kind of deep stall?  Otherwise, I should think up elevator and a forward c.g. would fix that. But it is a rather weird configuration.
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Crabby
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« Reply #5 on: February 25, 2016, 11:47:50 AM »

Hi Kill 1 no advice to offer just simply to say that the Stringless Wonder is one of the models I refer to as a "blues buster" If you are feeling out of sorts, take her out. If you lose her make another. I made 6 at a time because I was littering the neighborhood trees with 'em, and had to resort to making cheap props from drinking cups...the moral there is don't use you best props on something that you are gonna lose! HA HA HA Roll Eyes
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Ara Dedekian
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« Reply #6 on: April 26, 2016, 09:23:11 AM »

Do they get in some kind of deep stall?  Otherwise, I should think up elevator and a forward c.g. would fix that. But it is a rather weird configuration.

        Lincoln is right. I used card stock for an elevator and rudder on my 'Wonder and it needed 1/8" up elevator with 1/16" right rudder to fly. It would stall flying left. The Delta Dart prop/nose piece was shimmed to 1 1/2 degree right and 0 degrees down thrust for it to climb right. A small piece of clay was needed on the tail, but the prop hook could have been moved back instead. It's a consistent and stable indoor flyer with this setup. I used it for indoor flying demos and giving kids an opportunity to fly rubber at the recent Owls Head Transportation Museums model airplane expo in Rockland, Maine. It was a huge hit with the spectators and kids.

        Ara
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