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Forum: Rotorheads

29th Feb 2024, 13:46

Replies: 36

S-92 Loss of control event - report

Views: 8,507

Posted By 212man

I don't want to be argumentative, and I'm not an...

I don't want to be argumentative, and I'm not an aviation physiologist, but I'm pretty sure that what you are describing is not SGI. SGI requires a sustained acceleration in the longitudinal axis,...

Forum: Rotorheads

24th Feb 2024, 22:57

Replies: 36

S-92 Loss of control event - report

Views: 8,507

Posted By 212man

cheers, thanks for the update

cheers, thanks for the update

Forum: Rotorheads

24th Feb 2024, 17:56

Replies: 36

S-92 Loss of control event - report

Views: 8,507

Posted By 212man

It also has a distinct recovery mode too -...

It also has a distinct recovery mode too - no?

Forum: Rotorheads

23rd Feb 2024, 14:38

Replies: 36

S-92 Loss of control event - report

Views: 8,507

Posted By 212man

Nothing!

Nothing!

Forum: Rotorheads

23rd Feb 2024, 13:18

Replies: 36

S-92 Loss of control event - report

Views: 8,507

Posted By 212man

The standard O&G S-92 cannot be coupled below 55...

The standard O&G S-92 cannot be coupled below 55 KIAS (except Rad Alt on its own). With the SAR AFCS it can do a transition up from the hover.

Forum: Rotorheads

23rd Feb 2024, 08:40

Replies: 36

S-92 Loss of control event - report

Views: 8,507

Posted By 212man

Exactly, and the inbuilt transition from 'follow...

Exactly, and the inbuilt transition from 'follow up trim' to 'cruise mode' actually raises the nose, and sets an attitude that should achieve Vy. In my response I was trying to keep it S-92 based,...

Forum: Rotorheads

23rd Feb 2024, 08:14

Replies: 36

S-92 Loss of control event - report

Views: 8,507

Posted By 212man

Vmini is 50 KIAS. Your point is valid and has...

Vmini is 50 KIAS. Your point is valid and has been the topic of conversations before. However, bear in mind that from a certification standpoint Vmini is considered for steady state flight. During an...

Forum: Rotorheads

22nd Feb 2024, 10:50

Replies: 36

S-92 Loss of control event - report

Views: 8,507

Posted By 212man

They would certainly experience it in night or...

They would certainly experience it in night or DVE conditions, not so much with a good horizon, as the visual imagery will be given precedent by the brain I think. I think the early military jets...

Forum: Rotorheads

21st Feb 2024, 21:58

Replies: 36

S-92 Loss of control event - report

Views: 8,507

Posted By 212man

I believe you are mixing Somatagravic with...

I believe you are mixing Somatagravic with Somatogyral. They are different, and the former is caused by linear acceleration in the longitudinal axis (can also be a deceleration). I have certainly...

Forum: Rotorheads

21st Feb 2024, 13:25

Replies: 36

S-92 Loss of control event - report

Views: 8,507

Posted By 212man

I've just read it and found it be 59 pages of...

I've just read it and found it be 59 pages of very little real analysis or new facts, and a lot of ambiguity and contradiction. At one point the wind is said to be 42 kts, and another it was 33 kts....

Forum: Rotorheads

21st Feb 2024, 06:42

Replies: 36

S-92 Loss of control event - report

Views: 8,507

Posted By 212man

S-92 Loss of control event - report

Just seen this. Not read it yet but saw a summary elsewhere. Looks interesting! https://www.nsia.no/Aviation/Published-reports/2024-03?pid=SHT-Report-ReportFile&attach=1

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