Reply by Sarit

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Posted on Anyone try upgrading their HF DC impeller?

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549 posts in 3139 days

#1 posted 04-10-2013 03:30 PM

Yes, HF’s use forward-inclined fans whereas most use backward inclined or just straight radial fans. Forward inclines provide more flow at the expense of more HP and noise, but quickly lose their flow as pressure increases which makes them bad candidates if you plan to add things like cyclones or thein baffles and/or a duct network.

I’m not trying to do the impossible here, I just heard somewhere that someone actually did it. It was a simple drop in replacement and since I’ll be monitoring the amp draw I think there’s little to worry about. If it was any more work than that, then I would forget about it.

I’m hoping that someone who’s actually tried it, could chime in here to let us know about their experiences.

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