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best retract instalation?

Old 09-22-2002, 11:40 PM
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Default best retract instalation?

Whats the best way to instal retracts in a pattern plane with foam wing? I fly off grass,the instalation needs to be strong.
Old 09-24-2002, 06:21 AM
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Default sean mercer.....

....that's a tall order. Grass and retracts don't go together very well. Actually, a sheeted and covered foam wing is much stronger than a built-up wing....however the big question is....are the wing halves already glued together ?

Let me know what you have, and I will tell you how to do it.
Old 09-24-2002, 08:44 PM
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Default best retract instalation?

Hi flyboy,the wing is a two piece dedign with a wing tube. I know grass and retracts are a bad combo but thats all i got for now and the field is a little rough. Most the guys there fly the big stuff so its not a prob for them. I love pattern planes so i'm building a summit 60 with a hanno special i found on rc universe. the info would be a great help thanks,sean
Old 09-24-2002, 11:16 PM
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Default best retract instalation?

Look at Art's Hobby website. He has a retract mounting system that really works well and spreads the load out over a wider area.

www.arts-hobby.com/index_mod.htm
Old 09-24-2002, 11:27 PM
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Default Two piece wing design....Yikes.

Ok, with a wing tube you have a problem right off the bat.
I'm assuming the tube fits in the chord of the wing, or the
fattest part, right ? Did you want a tail dragger ? Did you
want to use mechanical gear ?

Dave.
Old 09-25-2002, 12:04 AM
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Default best retract instalation?

this is going to be a tri gear mechanical system coming from my last summit 60
Old 09-25-2002, 12:06 AM
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Default best retract instalation?

and yes,the tube goes into the chord
Old 09-25-2002, 12:30 AM
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Default best retract instalation?

thanks dave,but you have to be a rcm subscriber to get the article
Old 09-25-2002, 12:48 AM
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Default best retract instalation?

I'm guessing the last plane had a built-up one piece wing.
That wing tube is right where the mains gear has to be on a tri-gear setup. If you were going to set it up as a tail dragger, there might be enough room between the tube and the leading edge to cut in for the gear.

Also, with the two piece wing....you would have to have a retract servo in each wing, or use spring-airs.

My suggestion at this point....on a rough field, set it up as a tail-dragger with heavy 3/16 wire gear and some bigger tires, and fly it.
Old 09-25-2002, 09:05 PM
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Default best retract instalation?

lol,the last summit had the trigear with the tube. everything woked great. this plane will be a duplicate. the thing is,I was flying off asphault then and now I'm stuck with grass. anyway I found a super structure gear kit for 25 bucks wooohoooo! supposed to be garuteed against rip outs and any other type of problem. it looks great...uses alot of composites and made specialy for my application.
Old 09-26-2002, 04:58 AM
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Default Well alrighty then...

Stick it in there, fly, and enjoy.

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