does a propeller screw itself on air or is it just reaction

[bongodriver]

Originally Posted by GregHouse

i suppose its concidered geeky to find interesting in such matters

No it's just considered a facepalm moment to be even slightly intrigued by raaaids childish tripe.

[Sternjaeger II]

Originally Posted by GregHouse

i suppose its concidered geeky to find interesting in such matters

Lol is this your new account Raaaid? The "Raaaid-like" spelling gives it away..

[Osprey]

Originally Posted by cheesehawk

By definition, heat is transferred, not cold.

Which is relative to adjacent atoms. The transfer of energy is by infrared radiation, conduction, convection.