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Search: Posts Made By: Grey Area
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Forum: Rotorheads
29th Mar 2005, 12:54
Replies: 840
Views: 320,511
Posted By Grey Area

Nick that is plain spin - In the world of the...

Nick that is plain spin - In the world of the articulated head that may be true but any rigid or semi-rigid design can be damaged by a pilot if he does not adhere to his limitations - mishandling the...
Forum: Rotorheads
29th Mar 2005, 01:50
Replies: 840
Views: 320,511
Posted By Grey Area

Nick It is your contention that the rotor is...

Nick

It is your contention that the rotor is "structurally inadequate" not mine.

The fact that you so strongly disagree simply supports my argument that there are cultural differences and...
Forum: Rotorheads
28th Mar 2005, 16:11
Replies: 840
Views: 320,511
Posted By Grey Area

I totally agree, and if there is a flaw in the...

I totally agree, and if there is a flaw in the helicopter I would certainly expect Eurocopter to sort it out. My point is that if the product flys as designed then there may be a transatlantic...
Forum: Rotorheads
28th Mar 2005, 15:20
Replies: 840
Views: 320,511
Posted By Grey Area

Let’s not turn this into a Francophobe forum. ...

Let’s not turn this into a Francophobe forum.

As anyone in the business knows that the design and certification of any helicopter is a series of trade offs. In a good design everything is sized...
Forum: Rotorheads
7th Dec 2001, 15:36
Replies: 840
Views: 320,511
Posted By Grey Area

Post "If a problem is solved by publishing a...

"If a problem is solved by publishing a limitation, is it still a design flaw?"

The point in THIS case is that the aircraft operates quite safely within the designed limits; if you exceed this...
Forum: Rotorheads
6th Dec 2001, 20:06
Replies: 840
Views: 320,511
Posted By Grey Area

Post 1. What "Jack Stall Light"? 2. If you really...

1. What "Jack Stall Light"?
2. If you really understand the certification process why not take issue with FAR 27 instead of aircraft that conform to it?
Forum: Rotorheads
6th Dec 2001, 10:22
Replies: 840
Views: 320,511
Posted By Grey Area

Post Lu, You said "The very purpose of a...

Lu,

You said "The very purpose of a hydraulic servo is to not only resist feedback forces from the rotor but to be able to overcome any and all feedback forces."

1. In fact in many...
Forum: Rotorheads
6th Dec 2001, 00:25
Replies: 840
Views: 320,511
Posted By Grey Area

Post Lu, What you invisage happening is not what...

Lu,

What you invisage happening is not what I described and is, frankly, rubbish. The feedback forces exert a force equal to the maximum available from the jack so it can no longer move. It has...
Forum: Rotorheads
5th Dec 2001, 22:41
Replies: 840
Views: 320,511
Posted By Grey Area

Post 1. Servo Transparency - Discussed with a...

1. Servo Transparency - Discussed with a Eurocopter flight tester engineer today. The phrase is a direct translation from French - To a Frenchman it makes perfect sense, interestingly another ALAT...
Forum: Rotorheads
3rd Dec 2001, 22:46
Replies: 840
Views: 320,511
Posted By Grey Area

Post As far as I remember Servo transparency is a nice...

As far as I remember Servo transparency is a nice name for "jack stall". It is common in smaller helicopters with parallel jacks. AS350, SA340/341/342 Gazelles etc. Jack Stall is often included as...
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