Discover
Joined: 26 Feb 2007
Posts: 429
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 Posted: Fri Nov 18, 2011 10:52 am Post subject: Tiger Elevator |
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Bob,
That was a good explanation and helps me to visualize.
Below I copied an email from someone who became a grumman guru long ago.
I think Maynard adds an important concept to include in this discussion.
The dorsal fin affects the local flow around the tail.
Bob is getting real close to giving one of the best speed mod secrets away. That is:
I find that if I adjust weight so that the elevator is neutral AND the elevator trim is neutral I achieve the highest speed. We're talking up to 10kts speed "mod" here.
If I add in flap reflex and try and get the canopy rails at 0 with a level then it is even faster. That's right, I sometimes fly with a level on the canopy rails;)
Now if Gary would participate in telling secrets maybe we could collectively break his 165 ktas goal
Ned
From: Gary L Vogt (teamgrumman(at)yahoo.com)
To: Gary L Vogt (teamgrumman-list(at)matronics.com)
Sent: Saturday, October 08, 2011 12:52 AM
Subject: Engine thrust angle.
--> TeamGrumman-List message posted by: Gary L Vogt <teamgrumman(at)yahoo.com (teamgrumman(at)yahoo.com)>
I found something regarding the effect of engine thrust angle and best trim at high speed. Let's just say its my secret.
Gary
Sent from my iPad
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