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Forum: Rotorheads

12th Apr 2016, 03:00

Replies: 201

The future of the helicopter is electric.

Views: 61,267

Posted By riff_raff

DARPA just gave Aurora Flight Sciences $89...

DARPA just gave Aurora Flight Sciences $89 million (http://www.darpa.mil/news-events/2016-03-03) to build a flight demonstrator of their Lightning Strike hybrid gas turbine/electric VTOL aircraft....

Forum: Rotorheads

12th Oct 2012, 03:58

Replies: 201

The future of the helicopter is electric.

Views: 61,267

Posted By riff_raff

Dave_Jackson, Thanks for the link to the...

Dave_Jackson,

Thanks for the link to the accident report.

Yes, the report shows a slightly lower number of rotorcraft accidents attributable to engine related systems versus gearbox related...

Forum: Rotorheads

6th Oct 2012, 05:45

Replies: 201

The future of the helicopter is electric.

Views: 61,267

Posted By riff_raff

AdamFrisch- If "gearboxes are the weak link...

AdamFrisch-

If "gearboxes are the weak link in helicopter design", why do most modern rotorcraft still use 2 (or even 3) turboshaft engines, at least 2 separate hydraulic systems, at least 2...

Forum: Rotorheads

23rd Apr 2012, 01:04

Replies: 201

The future of the helicopter is electric.

Views: 61,267

Posted By riff_raff

I was thinking they'll need to keep that pusher...

I was thinking they'll need to keep that pusher prop to help offset the very slight drag penalty of the static mast structure.

Forum: Rotorheads

28th Oct 2011, 23:24

Replies: 201

The future of the helicopter is electric.

Views: 61,267

Posted By riff_raff

lucianpilot, I don't think jet fuel will be...

lucianpilot,

I don't think jet fuel will be replaced anytime soon. But that's not to say we won't see practical electric drivetrains in rotorcraft in the near future. I've seen some developments...

Forum: Rotorheads

6th Oct 2011, 02:19

Replies: 201

The future of the helicopter is electric.

Views: 61,267

Posted By riff_raff

victor pappy- Eurocopter targets safety...

victor pappy-

Eurocopter targets safety boost with hybrid helicopter (http://www.flightglobal.com/news/articles/eurocopter-targets-safety-boost-with-hybrid-helicopter-362886/)

According to the...

Forum: Rotorheads

15th Sep 2011, 02:15

Replies: 201

The future of the helicopter is electric.

Views: 61,267

Posted By riff_raff

Better title for this thread.

A better title for this thread probably would have been "The future of the light helicopter is not turboshaft".

I doubt we'll see battery technology advance enough in the next 20 years to make a...

Showing results 1 to 7 of 7