Well then... good luck with that....attitude.
What about engine thrust is not a design characteristic?
But, "where angels fear to tread..."
go to
http://www.rcuniverse.com/forum/m_42...tm.htm#4292791
ORIGINAL: Shrike117
Yeah...but there's going to be a cage around the prop. Also, I'm talking about a mini-bike frame, not bicycle. I don't need help with design, I just need help calculating the amount of force.