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Forum: Rotorheads

18th Nov 2010, 20:04

Replies: 205

Bell 212

Views: 68,551

Posted By Shawn Coyle

That sort of failure has happened to other...

That sort of failure has happened to other helicopter types as well. Should they all be grounded?

Forum: Rotorheads

14th Nov 2010, 11:12

Replies: 205

Bell 212

Views: 68,551

Posted By Shawn Coyle

Getting rid of these old aircraft is not a...

Getting rid of these old aircraft is not a realistic response - this sort of thing happens all the time to newer designs as well.
There is a curve of problems vs. time (commonly known as the...

Forum: Rotorheads

23rd Nov 2009, 11:34

Replies: 205

Bell 212

Views: 68,551

Posted By Shawn Coyle

It's actually a problem with civilian performance...

It's actually a problem with civilian performance charts. They really don't tell you what you need to know.
I have some old Canadian Air Force CH-135 (UH-1N) performance charts that go up to 10,500...

Forum: Rotorheads

15th Jun 2004, 13:58

Replies: 205

Bell 212

Views: 68,551

Posted By Shawn Coyle

If you want to see negative dihedral, try a Jet...

If you want to see negative dihedral, try a Jet Ranger with fixed floats in autorotation. The huge area under the CG (the vertical position of the CG) will give you negative dihedral - apply left...

Forum: Rotorheads

14th Jun 2004, 14:55

Replies: 205

Bell 212

Views: 68,551

Posted By Shawn Coyle

The fin on the Bell 212 was put on because one...

The fin on the Bell 212 was put on because one FAA test pilot considered that the machine had too much directional stability.
Hard to understand how anything could have too much directional...

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