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A complete wing was made and then destroyed to test my design. The wing will work. The attachment points are a bit of a place to watch as they are designed for about 5-6 G's, so in flight i will be fine, but a really bad landing might hurt it. Thanks, Dag |
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The wing is made of balsa spars with pre-preg carbon fiber. The tensile test went to over 300 pounds per spar. Thanks, DAG |
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Believe me, there is not one part of this plane that Dag has not thoroughly researched and if he found "anything" he didn't like it was redone, or will be redone. Dag is VERY thorough!! Which is why I have no doubt that when this plane finally flies, it will be perfect!!
SteveT |
Latest blog entry: My old shop....
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Rock on Dag! Cheers Alexander |
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- Birger |
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When I designed the wing I look at where the strength really needs to be, then I design for that. The wing my kinds are sitting on was version 2, and was way to strong for the loads it would see. My wing version 4 is where I am at, the weakest points are where the landing gear is attached, and where the wing attaches to the in-board wing, but all are still strong enough for my designed flight needs (I hope). To build a plane this big under 100 pounds is really the biggest challenge, on my other thread my Emmaselle II will be about 45 pounds with a 160" wing.
Rock On! DAG |
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Do the "X"s on the shear webs exist on the newer design? I don't remember noticing those before. I assume that is a strip of carbon tow?
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They were CF tow, and added unreal strength. I have leaned so much this past 3 years in applying my theories to my designs. Most RC planes are so over built. But many need to be because of hard landings, that is what breaking most RC planes, at least IMHO. Thanks, Dag |
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And I am sure you are all (if interested) following my EII thread on my Emmaselle. The B-36 is very slow now until I get my garage back when it warms up.
Thanks! DAG Pics of Emma and the EII, and her in my office designing my next project (not really just drawing Sponge Bob) |
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