"I thought about it and I found this website
http://www.estesrockets.com/store/rockets/engines.html
the engine is very powerful, although some are smaller.
the only problem I see is the legislation, because it prohibited any rocket that can be run…"

"of course,

Yo tambien tube el mismo problema con traerlo , aunque lo consegí desde la tienda de DIY DRONES
https://www.sparkfun.com/commerce/product_info.php?products_id=8785
respecto a la ayuda:
http://code.google.com/p/ardupilot/wiki/ArduPilot
o…"