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john.marzulli(at)gmail.co
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 Posted: Wed Sep 14, 2011 12:48 pm Post subject: What is your short takeoff technique ( pavement ) |
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So far I have been tried two separate techniques in getting short takeoffs. I want to get input from those who have been flying 701s longer on what their favored technique is.
The first way I tried in my own plane was the "Clean & Jerk" - Start with neutral elevator and hold the nose until you reach at least 40MPH and then pull back jerking the plane off the runway.
It seems to me this does not produce the shortest takeoffs, but does provide excellent visibility down the nose and may be favorable when the runway is narrow.
The second way I have tried in my plane is the "Back, then Relax". Start with the still full back, then relax a bit as the nose wheel comes off to pitch for VX airspeed.
My shortest takeoffs have been using this technique, but much more work is required to keep the plane straight down the runway. It also seems to have a higher risk of over rotation.
So, thoughts from the 701 veterans?
Thanks,
John Marzulli
http://MarzulliPhoto.net/
http://701Builder.blogspot.com/
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dougsnash
Joined: 14 Apr 2008
Posts: 282
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| Posted: Wed Sep 14, 2011 1:06 pm Post subject: What is your short takeoff technique ( pavement ) |
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John, I always use the back and relax method you mention. If you are having a hard time keeping the plane straight while using this method there may be a minor difference between your nose wheel neutral position and your rudder neutral position. The offset will cause the nose to drift in one direction as you transition from nose wheel directional control to rudder directional control. I initially had this problem with my plane and after a small tweak of the nose wheel steering rods, it is no longer an issue.
Doug MacDonald
CH-701 from scratch
NW Ontario, Canada
Do Not Archive
From: John Marzulli <john.marzulli(at)gmail.com>
To: zenith701801-list(at)matronics.com
Sent: Wednesday, September 14, 2011 3:45:42 PM
Subject: What is your short takeoff technique ( pavement )
So far I have been tried two separate techniques in getting short takeoffs. I want to get input from those who have been flying 701s longer on what their favored technique is.
The first way I tried in my own plane was the "Clean & Jerk" - Start with neutral elevator and hold the nose until you reach at least 40MPH and then pull back jerking the plane off the runway.
It seems to me this does not produce the shortest takeoffs, but does provide excellent visibility down the nose and may be favorable when the runway is narrow.
The second way I have tried in my plane is the "Back, then Relax". Start with the still full back, then relax a bit as the nose wheel comes off to pitch for VX airspeed.
My shortest takeoffs have been using this technique, but much more work is required to keep the plane straight down the runway. It also seems to have a higher risk of over rotation.
So, thoughts from the 701 veterans?
Thanks,
John Marzulli
http://MarzulliPhoto.net/
http://701Builder.blogspot.com/
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NYTerminat(at)aol.com
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| Posted: Wed Sep 14, 2011 4:57 pm Post subject: What is your short takeoff technique ( pavement ) |
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John,
For me it is 1/2 flaps, holding stick back till the nosewheel gets light then relax the stick and fly off.
Bob Spudis
CH701/912S
In a message dated 9/14/2011 4:49:23 P.M. Eastern Daylight Time, john.marzulli(at)gmail.com writes:
| Quote: | So far I have been tried two separate techniques in getting short takeoffs. I want to get input from those who have been flying 701s longer on what their favored technique is.
The first way I tried in my own plane was the "Clean & Jerk" - Start with neutral elevator and hold the nose until you reach at least 40MPH and then pull back jerking the plane off the runway.
It seems to me this does not produce the shortest takeoffs, but does provide excellent visibility down the nose and may be favorable when the runway is narrow.
The second way I have tried in my plane is the "Back, then Relax". Start with the still full back, then relax a bit as the nose wheel comes off to pitch for VX airspeed.
My shortest takeoffs have been using this technique, but much more work is required to keep the plane straight down the runway. It also seems to have a higher risk of over rotation.
So, thoughts from the 701 veterans?
Thanks,
John Marzulli
http://MarzulliPhoto.net/
http://701Builder.blogspot.com/
|
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