YP-22 biplane. 2 versions. Small, Low speed old style biplane (2 seater). And medium speed pushprop biplane with post holding up engine behind single seat.
Unknown manufacturer. Yield-Penn?
Simpleton. Geek. Weekend Computer Programmer. Jack of All Trades. Enjoys Simple Life, and believes that Technology is there to help people. Skill is more important than Tool. Oh, and try to save the world in my spare time. :)