I have a RTR (QiDa?) Silver Rocket, 36" deep V with a brushed 540 motor, 7.2v 1800mAh nicad and flex drive. Without getting a "real"
real radio and receiver and going to a lipo/brushless motor and esc, how can I get more speed out of this 15-20 mph toy?
2 battery packs @ 14.4v?
Will that cook the "receiver" or other components?

2 battery packs @ 14.4v?


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