Hi got Tarot 680 and got RCTIMER 40a ESC .6s lipo and the payload 3.5kg plus the battery I need a motor to do the heavy left but since my frame takes 13-14 prop if u tell me which motor is good ? I have found the RC timer but do not know if it is good has any one else used this or is there any Tarot or sunny sky motor that has the same power thanks http://www.rctimer.com/product_848.html