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Forum: Rotorheads

14th Sep 2022, 12:42

Replies: 21

Black hawk down -

Views: 4,719

Posted By JohnDixson

FDR, thanks…..but we both and all owe thanks to a...

FDR, thanks…..but we both and all owe thanks to a Colonel Bud Patnode and the group he headed up circa 1970 and came up with the handling requirements for the UTTAS. The hinge offset increase and...

Forum: Rotorheads

13th Sep 2022, 11:35

Replies: 21

Black hawk down -

Views: 4,719

Posted By JohnDixson

LW-Just had a look at the Skadi clip-actually, 4...

LW-Just had a look at the Skadi clip-actually, 4 looks. Hard to say with 100% certainty, but I "think" the tail rotor is slowing down when you get about halfway to the ground. As to why they lost it...

Forum: Rotorheads

12th Sep 2022, 21:37

Replies: 21

Black hawk down -

Views: 4,719

Posted By JohnDixson

LW, it doesn’t behave like a tail rotor servo...

LW, it doesn’t behave like a tail rotor servo hardcover: they aren’t going very fast at all and that tail rotor has a lot of thrust….what I’m saying is that at the speed in the clip, a servo...

Forum: Rotorheads

12th Sep 2022, 12:51

Replies: 21

Black hawk down -

Views: 4,719

Posted By JohnDixson

Maybe 212. Hard to say much from that short clip....

Maybe 212. Hard to say much from that short clip. At one point you can see a bunch of aft flapping over the nose and I looked to see the stabilator angle but couldn’t determine with any certitude....

Forum: Rotorheads

12th Sep 2022, 01:17

Replies: 21

Black hawk down -

Views: 4,719

Posted By JohnDixson

Hello, ZD: The 1976 fly-off competition between...

Hello, ZD:
The 1976 fly-off competition between Boeing and Sikorsky took place in several places.
The operational evaluation started at Ft Rucker Alabama and was completed at Ft Campbell.
The Army...

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