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12-13-2006, 09:55 PM
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Join Date: Mar 2005
Location: omaha,nebraska area.
Posts: 161
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manual elevator trim
anyone using a placard to indicate how to set neutral elevator trim? what is wording and where placed? .. thanks..
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RV-3
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12-14-2006, 07:06 AM
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Join Date: Mar 2005
Location: Dallas area
Posts: 10,762
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If on the ground, look at it. If in flight, set it where it needs to be. Once you fly with ti a few times you will learn where neutral is. With mine neutral is 2 fingers out.
__________________
Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
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12-14-2006, 07:56 AM
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Join Date: Jul 2005
Posts: 188
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Slightly off the specific topic of the post, but...
How big of a minority am I in? I actually prefer manual trim to electric trim. With manual trim I feel like I can "feel" the effect of each turn of the knob, and can very quickly and easily set the desired pitch. With electric trim it seems to me like I mash on the buttons and nothing is happening for a few brief seconds, and then by the time I "feel" the effect I've got waaaaay too much trim in.
Is that making any sense? Am I just a trim idiot? The Skyhawks that I fly (for now) have electric trim (because of the autopilot), but I NEVER use it. I always instinctively reach for the good ole' trim wheel.
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Edit: I just noticed there is another thread that is closer to the topic of my post. Apologies.
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Jeff
Wichita, Kansas
-7 Planning Kit
Last edited by jrsites : 12-14-2006 at 08:18 AM.
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12-14-2006, 08:04 AM
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Join Date: Mar 2006
Location: Sandpoint, Idaho
Posts: 487
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I don't adjust elevator trim in the pattern, I just hold the pressure. It really helps me know if I'm getting too slow. The stick gets real light and mushy. Time to get the nose down or add power.
It also helps during pre-flight for the next flight. If I added fuel I will need a little nose up trim. If I have a passenger I will need nose down trim. Very easy. I never try to find "neutral".
Karl
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RV-8 #80240 SOLD
1999 BMW R1100RS
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12-14-2006, 12:33 PM
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Join Date: Jun 2005
Location: Chino, CA
Posts: 738
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I like Mel's method
Two fingers for me too. If I have baggage and a passanger, one quarter turn in from 2 fingers. This is for take off, in flight set as required.
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Tom Prokop
Chino, CA
RV-8A,180/CS/Carb, AFS 4500 EFIS/EMS
RV-6, sold, 820 hrs of fun.
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12-14-2006, 01:21 PM
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Join Date: Jan 2005
Location: San Antonio, TX
Posts: 1,024
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I had manual trim on my RV6 and here's how I did it.
Set the trim tab in trail.
Make a mark on the metal slide of the trim vernier right where it goes into the panel mount. (use a file to make a permanent mark.)
Then, take the vernier end apart, which will include the slide piece you just marked. This is easy to do and only takes a few minutes.
Then, chuck this piece into a drill press or lathe and hold a file against the mark. This will make a nice groove all around the slide. You don't need to make it very deep, but you need a groove that you can see.
Once this is done, you can pint the inside of the groove red or white, I chose red.
Reassemble the vernier cable and use the mark to always position the trim tab in trail. You could also put the mark in takeoff position, if it is different than in trail, or use two marks of different color.
You can then placard this any way you want, but I never did.
__________________
Steve Formhals
A&P, Tech Counselor & Flight Advisor
RV3B
RV8
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12-14-2006, 01:39 PM
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Join Date: Mar 2005
Location: Dallas area
Posts: 10,762
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Normal takeoff (no flaps) I set the tab about 1/4" up (down trim). This is about 1/4 turn in from trail.
For short field takeoff (home) I set the tab in trail (15 degrees flap).
__________________
Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
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