RE: 3W 150 Problem
Hey Kevin,
Not for nuthin, but go to post #2 in this thread. Maybe it's worth trying a nicad, just for grins and giggles. When he started talking about 7 minutes flights and then a deadstick, well, you check it out and see what you think.
[link=http://www.rcuniverse.com/forum/Ignition_Battery%2C_Li%2Dion_or_NiMH_%3F/m_2677039/tm.htm]deadstick[/link]