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Forum: Rotorheads

8th Sep 2010, 07:52

Replies: 201

The future of the helicopter is electric.

Views: 61,269

Posted By lelebebbel

I own a model helicopter with a Brushless motor,...

I own a model helicopter with a Brushless motor, and I still don't believe it.

That motor only replaces the TR gearbox. The TR gearbox of an R22 is pretty light, i doubt it weighs more than 2kg. ...

Forum: Rotorheads

7th Sep 2010, 13:18

Replies: 201

The future of the helicopter is electric.

Views: 61,269

Posted By lelebebbel

1) How is a high power generator, remote electric...

1) How is a high power generator, remote electric motor (heavy!), power regulation system (probably including huge buffer capacitors to deal with sudden load changes) less complex OR lighter than a...

Forum: Rotorheads

6th Sep 2010, 13:14

Replies: 201

The future of the helicopter is electric.

Views: 61,269

Posted By lelebebbel

Even a R22 according to RHC needs about 60-70kW...

Even a R22 according to RHC needs about 60-70kW to maintain level flight at cruise speed. To deliver that for 10 minutes you need at least a 10,000Wh battery - about 200 times the capacity of a big...

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