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Can someone tell me with upgrade for the fan becausse it have bad power
I am upgrading my 70mm sky sword with the 75mm viper/tornado 75 fan unit;along with the skywing 80 amp esc and any good 6s 3300 mah 45c lipo!The 75mm fan unit will fit you just have to sand down the cover that covers over the fan unit.
lee.. good choice, but watch your thrust angle -- this model has quite a short moment.. good luck,, pete