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Old Feb 05, 2013, 01:44 AM
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Bill falck T-Tail Rivets

Hi scale electric flyers, For more scale like, I reduce the length of is landing gear plate by 1.1/2 inch., look more scale like and the 13 X 10 prop still clear, also with the lithium batteries now ,less weight to carry , I proceeding also reduce the surface of the stab.a bit , I cut two inches each side, I did only that modification to look more scale . Cheers
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Last edited by Jeanskydive; Feb 06, 2013 at 11:29 PM.
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Old Feb 05, 2013, 07:59 AM
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Cool, what's the span of the beastie?
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Old Feb 05, 2013, 01:07 PM
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Cool, what's the span of the beastie?
This one have 47 inch. wing span.
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Old Feb 05, 2013, 02:55 PM
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Scratch,kit,or ARF?
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Old Feb 05, 2013, 08:17 PM
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Scratch,kit,or ARF?
This one scratch build from Flying Models Plan No: CF-109 Carstens-Publications plan.
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Old Feb 05, 2013, 10:42 PM
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Nice job. That small stab looks scary. With very small stab areas you need a very specific CG. My 109 plan uses a scale stab, flies well as the stab is at the end of a long tail moment.
That Rivets stab looks to be about 10% or less of the wing area..very unforgiving of incorrect CG. If you have CG right now, you are probably pretty close...you COULD start shaving off tiny amounts at a time until it gets squirrely...
Mark
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Old Feb 06, 2013, 12:40 AM
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Originally Posted by mrittinger View Post
Nice job. That small stab looks scary. With very small stab areas you need a very specific CG. My 109 plan uses a scale stab, flies well as the stab is at the end of a long tail moment.
That Rivets stab looks to be about 10% or less of the wing area..very unforgiving of incorrect CG. If you have CG right now, you are probably pretty close...you COULD start shaving off tiny amounts at a time until it gets squirrely...
Mark
Yess Sir , I will need a bit more speed up for initial approach landing first to evalue the handling with is new stab. Cheers
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