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Building Tips and technical articles. => 1/2 A building. => Topic started by: dave siegler on February 26, 2018, 04:24:33 AM
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Going to put together a simple airplane for a cox .010.
We do a lot of demos and this would be a hit.
Just to fly maybe a loop and 8's
thinking 80 100 square inches wing a sheet of blue core foam about 12 inch span with a small carbon rod.
Lines 10 feet? I could almost self launch it.
Any reference designs?
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what kind of structure are you planning? The plane should weigh under 3oz. The engine with original prop produces 5 oz. of static thrust.
I would aim for 100 sq.in. with a built up structure. 15% thick airfoil.
Research Randy Heydon’s Lil’ Bit. It would do the whole pattern. I think it was published in Model Builder. He did use a bladder to assure consistent power.
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Going to put together a simple airplane for a cox .010.
We do a lot of demos and this would be a hit.
Just to fly maybe a loop and 8's
thinking 80 100 square inches wing a sheet of blue core foam about 12 inch span with a small carbon rod.
Lines 10 feet? I could almost self launch it.
Any reference designs?
Hi Dave, in the very early 1960's my ex-wife built a Midwest Sniffer(FF) and powered it with a TD .010.
the model has 139 sq"s and weighed about 3.5 ozs. and it climbed straight up(spiral) like a Zipper.
That was in Albuquerque, the flying field was close to 6,00 feet.
I recommend you go to the trouble of using a built up design like the Mini Zilch or better yet, a
Southwest 1/2A Snapper. Use 25-30 foot lines(.008"-.012" stranded cable). A 1/2oz tank or better
yet an appropriate sized balloon will do the trick. Best of luck. For Historical(Hysterical..) reference;
Bare built a 160 sq" scaled down PDQ Lion Tamer powered with a PAW .5cc diesel; and it literally
screwed him into the ground using 35' X .012" lines. I wish you the best of luck with whatever
you end up building and flying.
Tony G...Yes, it's me, back again after mucho health BS.
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Another data point: Frank Warburton's Mite was Cox .010-powered, span 13", 36 sq. inch area and weighed 1.75 oz. "Does most stunts." (ref. American Modeler, Feb. 1963)
Tom Lay also build one--perhaps a scaled down McDonald Stiletto?
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My Micro Ringmaster Stunter has a 17 1/4" wingspan and 53 1/2 square inches. A Baby ringmaster has 95 square inches of wing area. That is too much for a Tee Dee .010.
Pat
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Hi Dave,
I have the plans for Lil’ Bit. PM me your address and I’ll see if I can dig it up and get it in the mail for you.
Jim