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Search: Posts Made By: jpphoopha
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Forum: Rotorheads
30th Jun 2013, 15:53
Replies: 925
Views: 348,603
Posted By jpphoopha

The gyrodyne main rotor was powered at all times...

The gyrodyne main rotor was powered at all times during flight. During cruise, about one-third of available power was directed to the rotor and the remainder to the propeller. This arrangement...
Forum: Rotorheads
30th Jun 2013, 15:38
Replies: 87
Views: 39,225
Posted By jpphoopha

Rotodyne tip-jet noise

I have copies of all UK National Archive documents pertaining to the Rotodyne. The definitive reason for its cancellation is that the British Government would not meet BEA Chairman Sholto Douglas'...
Forum: Flight Testing
5th Feb 2010, 04:54
Replies: 1
Views: 1,774
Posted By jpphoopha

Among other accomplishments, Arkell set a 3km...

Among other accomplishments, Arkell set a 3km world speed helicopter record of 124.3 mph in Fairey Gyrodyne G-AIKF on 28 June 1948, and also conducted tests of Cierva Air Horse VZ-724 prior to a...
Forum: Rotorheads
16th May 2009, 23:00
Replies: 53
Views: 13,503
Posted By jpphoopha

Maximum range airspeed in autorotation

About 65mph, no wind conditions, in an Air & Space 18A gyroplane.
Forum: Rotorheads
10th May 2009, 04:03
Replies: 37
Views: 14,538
Posted By jpphoopha

Gyroplane operations

I hold FAA CPL/CFI certificates in gyroplanes and also operate an Air & Space 18A.

In the event of engine failure, and the pilot does nothing, and assuming sufficient altitude, the gyroplane will...
Forum: Rotorheads
4th Jul 2008, 16:12
Replies: 11
Views: 1,211
Posted By jpphoopha

CP/CFI gyroplane, among other qualifications. Own...

CP/CFI gyroplane, among other qualifications. Own and operate an Air & Space 18A gyroplane.
Showing results 1 to 6 of 6


 
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