why ESC is used......and for TURNIGY PARK300 BRUSHLESS OUTRUNNER 1600KV

IS ESCis necessary or not.

i am in pune and from where i can get styrofoam in my city..?

and can u plz send me the aerofoil design

dear ashideep

you are at the right place ...... you need to search and read a bit.

btw - ESC - Electronic Speed Controller ....... now do you need this or not

Yup I need it

u can get depron from venus book depot kothrud

u surely need ur esc buddy.it is a essential thing.nowdays it is not only controling the spin speed of ur motor but also it contains cercuits called BEC-Battery Eliminator Circuit-which power ur receiver and servos

ESC(Electronic Speed Controller)

ESC is an electric circuit that can control the speed of you electric motor. ESC regulates the speed of motor by signals from Receiver.

googling is the best idea man