>>1223344>(same like they use for drywall mounting and building houses)I thought they use 2x4s for that stuff.
>Use fiberglass or polycarbonate roofing as skin.Why not use fabric or low porosity synthetic heat shrink?
I think you're making this way more complicated than it needs to be. If you want something cheap and ghetto, use a couple of aluminum ladders and some insulation foam from Home Depot.
>I am not sure about motor.Just make the rest of it first, then jump off a cliff or get your friend to tow you behind his pickup. Plenty of time to worry about the power source later.
>>1223332First of all, 172s have seatbelt airbags nowadays. Why does it occur to people to dedicate 1000 hours to design a homebuilt before spending a few hours researching all the systems that already exist?
google "[city] soaring club introductory flights"