Replacement fan unit for Alfa jets |
59mm rotor diameter, 61mm outside diameter, carbon tube is 49mm long, 87mm overall length when assembled. Designed for standard Speed 300 power this improved design now produces 6.7 oz. thrust - almost an ounce more thrust with a Speed 300 on 7 cells than the earlier version did on 8 cells. This makes for a lighter model and better performance. Even greater power can be achieved with a brushless motor. Will accept a motor of up to 25mm diameter. The rotor is drilled for a 2mm motor shaft. 60/15 Mk.2 Ducted Fan PDF Instruction Manual
This unit is very light puts out a lot of power when coupled with a Mega 15/3/6 motor. The tabs connecting the motor mount to the duct unit are a little flimsy and are poorly mounted to the motor canister housing and well as the duct unit. If unit is being enclosed in an airframe it shouldn't be a problem but if exposed the unit's integrity could be compromised.
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