I am back to full time planes.
ALL, 1/2 A and up, get the Perry Pumps so I do not have to play with adjustments every weather change, or engine position.
It also lets you put any type of tank right over the CG or COB.
Use any brand of good pump WITH A REGULATOR you like but put one in.
Also, use a GOOD CLUNK tank.
---------With those items, it will start and run underwater. [sm=thumbup.gif][sm=thumbup.gif]