Speedy11(at)aol.com
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 Posted: Mon Mar 21, 2011 9:53 am Post subject: Flap Actuator Throw |
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Michael,
At this link, http://www.rv-8a.net/2007.htm you can see how I attached my POS-12. Scroll down to 19 Mar 07. The POS-12 can be adjusted for proper indications after flap installation by adjusting the clamp as needed. The flap motor does free wheel at it's limits.
On my web site, look at the photos just above the POS-12 photos (on 14 Mar 07) and you'll see a handy technique that makes installing and removing the flap mechanism easier. At the top end, I added a nutplate for the bolt to engage instead of having to fumble with a nut each time. Seems like I installed and removed the mechanism at least a dozen times while fine tuning everything.
Regards,
Stan Sutterfield
In a message dated 3/21/2011 3:05:36 A.M. Eastern Daylight Time, rv8-list(at)matronics.com writes:
| Quote: | I am wiring up my flaps and installing a POS-12 position indicator. I am
some months from installing the wings, so I don't have any way to measure
this directly. I was trying to figure out where to position the flap
actuator so that I could install the POS and get it roughly adjusted.
The throw of the electric screw jack is five inches. What is the position
of the arm that actually moves the flaps oriented when they are fully
extended and fully retracted? Is the arm parallel to the floor at full
extension? Five degrees up, ten degrees? Anyone got a rough approximation?
I am assuming that the actuator uses its full five inches of travel. It
free wheels at either end, which I assume is its limit position. Correct?
Thanks as usual.
Michael Wynn
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