speed problem lack off
 

hi can any body help me , i have a v hull speedboat aprox 22"to 24" inch have fitted 2x 3700 7.2 batt with a 50amp esc with reverse the motor is a mfa 700 wich should rev to 21,000 rpm first to tests are proveing disapointing with speed no more than a cheep £50 highwind toy boat also arfter about 5 min the motor gets hot and the positive lead off the motor becomes unsolderd the cooling system is pushing water round the 5coil water tubeing exerlatley can any one out there help me please as planes i understand but am a new boy at this boating game any help with my set up would be great dont even know if i have the right combination or a mis match the esc and batts are tornado motor mfa HELP IM DROWNING THROW ME A LINE[&:]

RE: speed problem lack off
 

First thing that comes to mind is that it may be over propped. What prop are you running on it?

RE: speed problem lack off
 

Do you have photos of your boat?

I'm assuming packs are in series and the motor is direct drive. Knowing the prop used will be more useful in finding a solution.

Ryan

RE: speed problem lack off
 

the prop is a 40 with a med to corse pitch does that help in the air im a ace on water a dummy:(

RE: speed problem lack off
 

the prop is a 40 with a med to corse pitch does that help in the air im a ace on water a dummy
sorry cant be much more help will take some pics tonight for you

RE: speed problem lack off
 

Yea that is no help man...can you get some pics of it for us? If anyone can get you going,Its the guys here!

RE: speed problem lack off
 

ok will take some pics tomorrow and post sunday thanks all[&:]