PPRuNe Forums - Search Results

Search: Posts Made By: 9Aplus

Showing results 1 to 3 of 3
Search took 0.00 seconds.

Forum: Rotorheads

9th Apr 2017, 13:07

Replies: 23

Diamond Aircraft developing R44 competitor

Views: 11,390

Posted By 9Aplus

Brushless elctric engine on battery one story....

Brushless elctric engine on battery one story. Piston engine -> generator -> same electric engine, another

Speaking form development experience, of one aux PBS turboshaft running air compressor...

Forum: Rotorheads

8th Apr 2017, 06:48

Replies: 23

Diamond Aircraft developing R44 competitor

Views: 11,390

Posted By 9Aplus

@onetrack Can we agree that 4 seat helicopter...

@onetrack
Can we agree that 4 seat helicopter of that size need approx 150 kW (201 hp) engine.
Your opinion is that just 2% of that power is enough in tail?!

More likely, you may need up to...

Forum: Rotorheads

7th Apr 2017, 17:05

Replies: 23

Diamond Aircraft developing R44 competitor

Views: 11,390

Posted By 9Aplus

At last 30-40 KVA genset add on piston engine,...

At last 30-40 KVA genset add on piston engine, plus 30 KVA electric motor, than DC/AC converter and extra battery = much weight penalty
Or they use some new technology which can go under CS27...

Showing results 1 to 3 of 3