Today's Message Index:
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1. 09:00 AM - Re: Settting the correct Spacing (Gap) between VS Top Rib and Rudder Top Rib (Brian Huffaker)
2. 06:00 PM - Re: RV9-List: Settting the correct Spacing (Gap) between VS Top Rib and Rudder Top Rib (Ralph Cloud)
Message 1
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| Subject: | Re: Settting the correct Spacing (Gap) between VS Top Rib and |
Rudder Top Rib
On Fri, 9 May 2008, Garey Wittich wrote:
>
> Greetings:
>
> The construction of my RV8A (RV7 and RV9 are the
> same) the Rudders Top Rib swings OVER the top Rib of
> the VS. There is suppose to be a "Gap" between the
> two Ribs so that there is no interference (rubbing of
> them together) as the Rudder is moved.
>
> My question is - how do you set this Gap up ???
On mine, I had to file the top of the VS down a bit to get the needed
gap. Given the pre-punched holes, there isn't a lot you can play with,
other than changing how far the rod ends are screwed in, move the top ones
a bit further out than the bottom (keeping them in line of course).
Brian Huffaker, DSWL (bifft@xmission.com)
RV-8A 80091 riviting fuse.
1/4 Starduster II N23UT flying
Message 2
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| Subject: | RE: RV9-List: Settting the correct Spacing (Gap) between VS |
Top Rib and Rudder Top Rib
>
> My question is - how do you set this Gap up ???
>
You cannot adjust the top gap very much due to pre-punch holes which
pretty must sets it for you.
> It seems to me that the Rod End Bearings on the Rudder
> Spar need to be screwed into the Rudder Spar the "
The distance indicated for the rod ends will set the gap between the
spar of the VS and the rudder, too little and the rudder will hit the VS
skin at full deflection. Too much and it will put too much load on the
VS spar and drag from too big of a gap.
The final adjustment of the rod ends it to make sure they are in
alignment with the hinge points. If they are not aligned properly you
will have flexing of the spar, friction on the hinge line and other
related issues.
Ralph
Livermore,
Wings, fuse in box
Do not archive
>
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