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  1. Q

    Ultralight Carbon Spar...

    You Know After a lot of thought. I think I will just put new sail cloth on the plane put it up for sale and build a HM360 out of carbon fiber and try to get the wieght under 254 lb. The all wood HM 360 (aka flying Flea) is about 395 lb with a c 65 engine. I can save about a hundred lbs just by...
  2. Q

    Ultralight Carbon Spar...

    The 1983 model of the T-II uses an dual tube dual spar wing. The fore and aft spars make the leading and trailing edge of the wing. This is a typical ultralight construction. Each spar is made up of a 2 inch tbue sleeved over a 1 7/8" tube. the spars are 15 ft long. Aluminum tube can only be...
  3. Q

    Ultralight Carbon Spar...

    Senna, I have an aluminum tube spar on my T-II. I would like to strenthen it without a big wieght penalaty. I was wandering if I could slip the Graphlite™ rod. into the tube then fill the space with that Great stuff foam you can get at the building supply.
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