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  • May 16, 2021, 03:08:36 AM

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Author Topic: Fox Stunt Speed AND Perky speed line wrapping question......  (Read 461 times)

Offline Dave Rigotti

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Fox Stunt Speed AND Perky speed line wrapping question......
« on: March 19, 2021, 03:16:55 PM »
Rules state .014 solids at 52' 6" centerline model to centerline handle for Perky.
Using Figure #1 loop construction from AMA rule book page #4 my question is:

What "A" dimension do I use?

Same question for Fox stunt Speed using .016 by 60'.
Dave Rigotti
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Chesterland, Ohio

Offline Paul Smith

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Re: Fox Stunt Speed AND Perky speed line wrapping question......
« Reply #1 on: March 19, 2021, 04:42:20 PM »
Perky uses .15 engines and is thus an "A" event.  Dimension A is therefore 1".
Fox 35 Stunt is a class C event so dimension A is 1-1/4".

Dimension A is the length of lines wrapped by copper wire at the the termination. 

These rules were made for all-out high performance planes that can go 200 MPH.  Perky & Fox only go half of that, so you're plenty safe enough.
Paul Smith

Offline Dave Rigotti

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Re: Fox Stunt Speed AND Perky speed line wrapping question......
« Reply #2 on: March 19, 2021, 05:00:59 PM »
Thanks Paul!
Dave Rigotti
AMA 66859
Chesterland, Ohio

Offline Motorman

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Re: Fox Stunt Speed AND Perky speed line wrapping question......
« Reply #3 on: March 19, 2021, 09:06:15 PM »
Do you know how to do a double loop with an extra piece of wire?


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Offline Fred Cronenwett

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Re: Fox Stunt Speed AND Perky speed line wrapping question......
« Reply #4 on: April 28, 2021, 07:44:46 PM »
This is the video I did on how to wrap solid or braided lines. I never have measured the "A" dimension on my lines


Fred Cronenwett
AMA 3879 - CL Scale
Model Aviation CL Scale columnist


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