Today's Message Index:
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1. 04:52 PM - Electric Manual Trim? (Dave Durakovich)
2. 05:33 PM - Re: Electric Manual Trim? (CBRxxDRV@aol.com)
Message 1
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| Subject: | Electric Manual Trim? |
--> RV4-List message posted by: Dave Durakovich <ddurakovich@yahoo.com>
Been lurking for awhile, and decided it's time to come out of the closet!
As a new builder of a -4:
Old airplane, started in 1989,
I'm the 5th owner, and probably only the 2nd owner to actually do anything,
This bird probably has more miles on it than my Cherokee,
Nearly done and I still have more pieces than I know what to do with!
I'm at the stage of installing cockpit controls. As acquired this bird was set
up with the manual elevator trim. And while I have nothing against the manual
trim, I'm not thrilled about the location of the control. Hence, my question.
I realize I can pull the existing manual push/pull cable out and go with a servo.
However, since it's already there, what about just mounting a servo in place
of the manual lever? There seems to be minimal drag on the cable alone, and
I may need to fab a bracket to get the correct travel. I suspect there will be
little weight penalty, if any, but I'm just not sure of the additional force
required.
Has anyone tried this? Any of you guys out there want to venture a guess?
Thanks,
Dave Durakovich
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Message 2
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| Subject: | Re: Electric Manual Trim? |
--> RV4-List message posted by: CBRxxDRV@aol.com
In a message dated 5/30/04 7:53:16 PM Eastern Daylight Time,
ddurakovich@yahoo.com writes:
> I realize I can pull the existing manual push/pull cable out and go with a
> servo. However, since it's already there, what about just mounting a servo in
> place of the manual lever? There seems to be minimal drag on the cable
> alone, and I may need to fab a bracket to get the correct travel. I suspect there
> will be little weight penalty, if any, but I'm just not sure of the
> additional force required.
>
My -4 has the trim servo mounted at the end of the trim cable.
I figure it was done the same time the owner added electric flaps.
There is no trim handle, makes service easy I would guess. It seems to
work just fine. (mounted below throttle on left side of cockpit)
Sal Capra
Lakeland, FL
My Home Page
http://hometown.aol.com/cbrxxdrv/index.html
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