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Search: Posts Made By: rotorwash4944
Showing results 1 to 15 of 15
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Forum: Flight Testing
19th Mar 2011, 18:32
Replies: 32
Views: 6,612
Posted By rotorwash4944

My 2 cents :)

I agree even a small amount of RPM change can have an effect... RPM difference may cause a slight change in flow, i.e. downwash angle between wing & tail.
Saw this on an A-6E flight test... back in...
Forum: Flight Testing
14th Feb 2011, 21:18
Replies: 7
Views: 4,795
Posted By rotorwash4944

Glad to be of help. :ok:

Glad to be of help. :ok:
Forum: Rotorheads
2nd Feb 2011, 20:10
Replies: 32
Views: 11,758
Posted By rotorwash4944

I would call it more of a design limit rather...

I would call it more of a design limit rather than a flaw. If AEC engineering says that is the way it was engineered, then their logic follows suit. If important things would start to break at loads...
Forum: Flight Testing
2nd Feb 2011, 06:06
Replies: 7
Views: 4,795
Posted By rotorwash4944

Control Margin vs Control Saturation

***Control Margin and Control Saturation***
When a flight control is deflected to the point that achieves the highest control moment (i.e. steady state roll, pitch, yaw rate) attainable by the...
Forum: Rotorheads
2nd Feb 2011, 03:29
Replies: 32
Views: 11,758
Posted By rotorwash4944

Just a few thoughts... Think of a...

Just a few thoughts...

Think of a "reversible flight control system" as one in which, if you were to move the control surface by hand, you'd see the corresponding cockpit control move in unison...
Forum: Flight Testing
14th Oct 2008, 14:36
Replies: 6
Views: 1,691
Posted By rotorwash4944

I am trying to make comparisons for a thesis...

I am trying to make comparisons for a thesis paper. Comparing hover ceiling numbers of various helicopters does not give an easily comparable indication of vertical climb performance. I realize its a...
Forum: Flight Testing
10th Oct 2008, 20:11
Replies: 6
Views: 1,691
Posted By rotorwash4944

Comparing vertical climb capabilities...

Im trying to compare vertical climb capabilities of various helicopters.

Anyone know where I might find a combined list of specs? Specifically looking for power loading values, or even...
Forum: Flight Testing
4th Oct 2008, 03:43
Replies: 3
Views: 4,568
Posted By rotorwash4944

Perhaps I wasn't being clear by calling it a "max...

Perhaps I wasn't being clear by calling it a "max performance takeoff," but I was just referring to a vertical takeoff from a hover.

I thought I could get a rough estimate of power req'd to...
Forum: Rotorheads
3rd Oct 2008, 20:09
Replies: 7
Views: 1,108
Posted By rotorwash4944

bump to top

bump to top
Forum: Flight Testing
3rd Oct 2008, 18:09
Replies: 3
Views: 4,568
Posted By rotorwash4944

Comparing helicopter performance...

If I wanted to make a comparison of the "max performance takeoff" capabilities of various twin-engined helicopters, is there an easy way to 'normalize' the numbers for a quick comparison, utilizing a...
Forum: Rotorheads
1st Oct 2008, 17:36
Replies: 7
Views: 1,108
Posted By rotorwash4944

Thank you!

Hello All,

I would like to thank everyone who either plans to, or has already taken the time to complete my survey. I realize they can be difficult to muddle through and complete, especially when...
Forum: Flight Testing
22nd Sep 2008, 04:57
Replies: 1
Views: 1,243
Posted By rotorwash4944

Shawn- Question about NTPS

Hello Shawn,

I am a former Grumman FTE, turned police helicopter pilot. My true love lies in flight test. I hold a BSAE and I am finishing up a masters degree in Aviation Systems Flight Testing...
Forum: Rotorheads
22nd Sep 2008, 04:27
Replies: 7
Views: 1,108
Posted By rotorwash4944

Please help with masters thesis survey... read on....

Hello all,

I am a police helicopter pilot and also an aerospace engineer. I am preparing a thesis for a masters degree in Aviation Systems Flight Testing through the University of Tennessee Space...
Forum: Rotorheads
22nd Sep 2008, 04:23
Replies: 23
Views: 4,946
Posted By rotorwash4944

I fly for Suffolk.

I fly for Suffolk.
Forum: Rotorheads
22nd Sep 2008, 02:34
Replies: 23
Views: 4,946
Posted By rotorwash4944

I fly for the local PD in Long Island, NY. I...

I fly for the local PD in Long Island, NY. I happened to be the PIC on duty the night that THE Mr. Billy Joel had an automobile accident a few years ago. I flew him to the hospital that night. ...
Showing results 1 to 15 of 15


 
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