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Old 06-14-2017, 12:31 AM   #1
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Default MEN Trainer

Curious if anyone has recommendations for an under-camber wing covering? I have an old trainer 3- channel airplane I bought long ago...needs wing recovered. I tried Monokote, but just didn't work out to my liking and underside did not adhere well.
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Old 06-14-2017, 12:58 AM   #2
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Might try using my trainer. Most MEN like it. I am sure Blair can iron out your rough spots.

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Old 06-14-2017, 01:49 AM   #3
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I should start working on my MEN trainer, my wife started it many years ago but lost interest in modeling.

My old flying buddy built one in the 70"s he covered with monokote, but he used Balsarite on the bottom surfaces. It increases the bond.

He ironed the covering to the bottom of the spar then to the bottom of the ribs being careful to keep the covering smooth. When he shrunk the covering he did not touch the ribs or spar.

It takes time but it can work.

Silkspan or Silk might be a good choice also.

There used to be a material called Silron, it had Silk fibers running one direction and Rayon running the other. The Silk fibers shrink more than the Rayon (if I remember right) you wanted the fibers that shrank more running the length of the wing. It worked very well on wings like a Proctor Antic

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Old 06-14-2017, 03:57 AM   #4
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Originally Posted by dereckbc View Post
Might try using my trainer. Most MEN like it. I am sure Blair can iron out your rough spots.

Iron on covering is definitely the wrong for this application...
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Old 06-14-2017, 04:49 AM   #5
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Originally Posted by F22trainer View Post
Iron on covering is definitely the wrong for this application...
Should have told him before he did it successfully about 40 years ago.

Dave R, Proud PGR rider.
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Old 06-14-2017, 04:10 PM   #6
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Originally Posted by Wildflyer View Post
Should have told him before he did it successfully about 40 years ago.
Not what I meant there ( referring to the model with the putter), but Sounds like that technique would work. My thinking was something like silkspan might lay in the arc better. I agree it is going to be an exercise in patience.
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Old Yesterday, 11:28 PM   #7
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Ok, so maybe it was a tease- bought this from Bob Rainey back in the 80's as my first RC. so I dug it out to get some pictures. The OS 20 will go to anew home. Hoping a Power 25 will do about the same job with a 9x6 prop.
I think I still have the old World Radio TX / RX...but that will yield to Spektrum.
As you can see, the wing covering needs some serious attention, but the fuse came out great.
By the way, does anyone have copies of the prints or perhaps some specs on thrust angles and CG location?


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Old Today, 06:48 AM   #8
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I should have the plan, I'll look tomorrow

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Old Today, 07:12 AM   #9
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Originally Posted by Wildflyer View Post
I should have the plan, I'll look tomorrow
That would be great. Hope you'll pick up yours and finish. I think they would be a blast to fly with electrics. Mine usually ran great for about 90 sec. and was then glider practice, getting it restarted was always a pain.
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