clolsonus
Well-known member
Are there any size/dimension rules of thumb when creating a scratch built wing in the classic flite-test fold over fashion? I'm thinking about building something on the basement floor (without fancy cad tools or laser cutters.)
More specifically, let's say I am aiming for a specific chord width for my wing. Then presume I'm shooting for 12% thickness. I know the top and bottom layers will be 5mm and I can compute what my spar height should be.
But what I'm looking for is a rule of thumb or guidance on how to properly size the bottom layer (which doesn't go all the way to the trailing edge, how to size the top layer and put the two creases for the airfoil shape? All the while adding enough material to accounting for radius bending around the leading edge etc. etc. I would love to minimize my trips out to the dollar store so I'm hoping to get this right on the first try.
Maybe I'm over thinking this, but I thought I'd ask in case there are some basic guidelines people have figured out already.
Thanks!
Curt.
More specifically, let's say I am aiming for a specific chord width for my wing. Then presume I'm shooting for 12% thickness. I know the top and bottom layers will be 5mm and I can compute what my spar height should be.
But what I'm looking for is a rule of thumb or guidance on how to properly size the bottom layer (which doesn't go all the way to the trailing edge, how to size the top layer and put the two creases for the airfoil shape? All the while adding enough material to accounting for radius bending around the leading edge etc. etc. I would love to minimize my trips out to the dollar store so I'm hoping to get this right on the first try.
Maybe I'm over thinking this, but I thought I'd ask in case there are some basic guidelines people have figured out already.
Thanks!
Curt.