原帖由 chai87 於 2009年5月3日 07:18 PM 發表 
hello,,
i am using .21 Go brand engine from taiwan, what percentage of nitro would u suggest me to use?? what brand??byron ok?
i have direct drive setup,wat props will giving fastest speed?? ...
1)先用16%磨車 (byron is ok!)
2)用什麼艇?(一般用X440/3---X442/3)
3)giving fastest speed use25-35%nitro |