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Author Topic: legacy ARF  (Read 4136 times)

Offline Fred Quedenfeld jr

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legacy ARF
« on: July 15, 2019, 03:04:03 PM »
Hi Questions
Which holes did you use for the belcank to flap control horn
I used the top one for the flap and the middle one for the pushrod to the elevator
the elevator has a slot but I did not see A "tee nut'   the Tom Morris "tee Nut" is too fat
How much Up and down should I have ?
thanks
Fred Q

Offline Perry Rose

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Re: legacy ARF
« Reply #1 on: September 08, 2019, 05:28:18 AM »
The Legacy kit plans show a 4 inch bellcrank and a bent flap horn with the pushrod from the bellcrank in the top hole which is 1 1/4 inches from the center line and the elevator push rod at 1 inch from the center line. On the elevators the pushrod is in the middle hole or 9/16 from the centerline of the horn wire. That's almost a 2 to 1 ratio so elevator travel is a lot. I have to guess on the bellcrank pushrod being in the middle hole of the bellcrank as it's not shown. That's 3/4 inch from the bellcrank pivot centerline.
  My kit built Legacy has 35 degrees down elevator and 30 degrees up with 3 1/4 inch handle spacing. I added a half inch to the elevator span to get it to turn the way I wanted.  Evo .60 power, 62 foot lines.
I may be wrong but I doubt it.
I wouldn't take her to a dog fight even if she had a chance to win.
The worst part of growing old is remembering when you were young.


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