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Old 28th Feb 2007, 17:31
  #20 (permalink)  
DennisK
 
Join Date: Mar 2002
Location: Kings Caple, Ross-on-Wye.orPiccots End. Hertfordshire
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Heli exit from C130 or similar

My firm was asked by Eon if we could exit a rotors running MD 500 from an airborne open ramp at around 110 knots. A daring 007 escape. A lot of money was on offer!

Apart from the immediate answer 'NO' we did give the situation some considerable thought later.

So let's say we got the rotors running at the maximum 500 rpm ish with nil relative air flow and pushed the machine out in the flying attitude on two supporting ramps, which then retract vertically down. Zero ASI to an instant 110 knots or so.

Well I suppose the first consideration is the area of turbulence aft of the ramp which might give some acceleration time before hitting the full RAF. At 110 knots that will certainly produce but some massive flap back the pilot might enjoy! Could he co-ordinate cyclic movement to contain the sudden flapping. Please step forward Capt Nick Lappos?

Perhaps someone has done it in a wind tunnel.

I'm not sure why I'm discussing the subject ... but it makes a change from the usual ... wouldn't you think. Any points of view for amusement?


Best wishes to all,

DRK
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