RCU Forums - hobby king 4.5inch fan

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Vallier Racing

07-26-2010 10:31 PM

hobby king 4.5inch fan

is any one using this fan??? what motor and controller are you using and what results are you getting??

john491

07-27-2010 02:12 PM

RE: hobby king 4.5inch fan

The fan is a knockoff of an EVF and in its 4.5" version is close to an EVF in amp draw. I just use the shroud to convert an old BVM nitro fan to edf. The BVM rotor is 1.5mm too big to fit the shroud so the rotor has to be cut down a little. In combination with a Neu 1527 1.5y motor it is a powerful unit.

JeffH

07-28-2010 09:50 AM

RE: hobby king 4.5inch fan

Quote:

ORIGINAL: john491

The fan is a knockoff of an EVF and in its 4.5'' version is close to an EVF in amp draw. I just use the shroud to convert an old BVM nitro fan to edf. The BVM rotor is 1.5mm too big to fit the shroud so the rotor has to be cut down a little. In combination with a Neu 1527 1.5y motor it is a powerful unit.

Is the shroud strong enough? How many flights and what sort of amps are you pulling?

john491

07-28-2010 03:43 PM

RE: hobby king 4.5inch fan

It is plenty strong enough. I was pulling about 100 amps as I remember. The F-15 I had it in shredded on the fourth flight, but it had huge power. It got a 14# plane in the air in 30 feet. I'm in the process of installing it in my BVM Viper.

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