What is the smallest EDF? - RC Groups
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Jun 26, 2007, 03:47 PM
Inciting Riots
village_idiot's Avatar

What is the smallest EDF?

I tried searching for this a few days ago, but didn't really find anything smaller than the GWS 30mm EDF. Is there anything in the 15 to 20mm range? How about brushless motors for them?
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Jun 27, 2007, 06:52 AM
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Hi Village,
There have been a few small fans in the micro forum that used 6mm and 7mm pager motors but just one offs.

As far as I know there is nothing smaller than 30mm commercially available at this time.

Brushless motors smaller than 12mm diameter are very very expensive but they are available, I'm not sure they would be suitable for a fan though.

I've experimented with both smaller fans and motors. 30mm seams a bit of a barrier. It's very hard to get usable thrust at diameters smaller than 30mm.
Jun 27, 2007, 09:47 AM
Inciting Riots
village_idiot's Avatar
Thanks, that's kind of what I thought.

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