High KV value the less the motor torque is. Boat require high troque for starting even running as this boat has no gear box. however jet-propelled type is require more energy then propeller shaft type.
Hope play together with you guys under this topic.
已換Motor KV2100 (280) with intercooler and Hobbywing 60A
The Jet Boat is very Powerful now
I will be test run in Victoria Park by tomorrow. (26/04/2009)