GWS EDF Systeem 50 w / motor (2.61oz Thrust)

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Customer Rated

Jun 06, 2012

I needed a ductfan for a school-experiment (I'm a physicsteacher).
Put it on a cart on a air-cushion-rails. Just needed 1 AA 1,2 V battery to give the cart a decent acceleration.
Couldn't use a brushless because of lack of esc at my school.

Great (and cheap) product.

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Customer Rated

Dec 02, 2011

Bought even more GWS 50mm EDF,s. With for example brushless motors

high Kv I save over 85g on A-10 and it flies exellent. Its not built for supersonic but makes big loops. Are building an A-7 corsair. Same same, 50 mm GWS setup. Most buck for the dollar. search on the net for impellers. robotbirds UK is one

Morgan

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Customer Rated

Dec 01, 2011

Well working 50 mm EDF unit. Save more than 85 g on 2x50 with A-10.

Using Feigao 12 mm motors. Hints: Drill 2 small holes opposite side of case. Just between front of engine and back of fan. 2 small screwdrivers and bend lightly. 2:Sandpaper new motoraxel slightly. Tiny amount of Epoxi in the fanhole. Voila.

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Certified Buyer Rated

Aug 25, 2011

I use it to power a cart on a air-tube. Not very much thrust, but I don't need that. I just need a impellor that will go on just a couple of AA's

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Customer Rated

Nov 08, 2010

Can replacement impellors be bought for this unit?

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Certified Buyer Rated

May 17, 2009

It is OK, but they say it could be made more efectiv with a brushless motor. Hovewer that is easier said than done. The engine is fasten to the duct with a glue ? and therefor it is impossible to remove without breaking the impeller and duct. I have bought BA BL1230 to no use.

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good edf

Nov 14, 2007

80g thrust with Turnigy B12-30 motor, 3s lipo 2,3A

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Used as DD for Esky HB FP/Dyna

Nov 14, 2007

Read up some articles on using as DD for the FP helis using the N motors. Item works great and only warm after prolonged hover. Only drawback is the high pitch sound of the EDF unit but I do not have to worry about replacing tail blades anymore....