Very very nice Didier,
Is this real carbon you used to mount the Royal and the pump or just sticker?
I think also it would be wise if you installed a ball valve after or before the pump. There is a thread going on here (
http://www.rcuniverse.com/forum/m_86...tm.htm#8607640) about the possible postitions of valves and how important they are.
Please keep us updated with your maiden flight.
Tassos