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Search: Posts Made By: dasher1973

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Forum: Rotorheads

30th Jun 2010, 06:30

Replies: 0

B412 Vibration and B407 RR250 Burner Can rupture

Views: 752

Posted By dasher1973

B412 Vibration and B407 RR250 Burner Can rupture

Couple of good ATSB reports out recently;

AO-2008-039 - Airframe vibration, Wollongong Aerodrome, NSW, 11 June 2008, VH-VAH, Bell Helicopter Co. 412...

Forum: Tech Log

25th Jun 2010, 10:30

Replies: 104

Windmilling propellers

Views: 53,228

Posted By dasher1973

simple answer

simple thing is the engine will windmill a little until feathered

any reciprocating internal combustion engine is only around 30% efficient, therefore the other 70% goes in heat...... and the...

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