The plans have always called for only two rudder hinges, one is also the
lower bellcrank, and the other is just a hinge. The three hinge thing
came from Australia's aviation authorities, if I remember correctly, or
at least the elevators gained a hinge per side from them. I'm not sure
about t
Chris Pryce said,
> "After my visit I looked up the KR-1 info and the plans show only two
rudder
hinges. I'm guessing that's the reason for your plane only having two."
Hi Chris. I was checking Sparky's rudder play and it has a little bit -
less than mine. Sparky re-built Bob Passmore's KR-2,
Mike,
After my visit I looked up the KR-1 info and the plans show only two rudder
hinges. I'm guessing that's the reason for your plane only having two.
Chris Pryce
>
>Does anybody worry about a little looseness in a rudder hinge?
>Mike
+++
Without looking at the plans I don't recall if it requires 2 or 3
hinges or if that advise was in a newsletter but three is better. As
for the "slop" , I've seen some pr
Best to follow Chris Kinnaman's advice.
Lets us not forget that 'any' amount of 'play' or 'slop' takes a toll on
contacted parts over time through the effects of high impact stress and
friction; no matter how small. This can lead to damaged and/or failing
parts that seem to happen out of nowhere.
Play in a control surface hinge is flutter waiting to happen. I would
try to take care of it ASAP. Just because it hasn't happened yet doesn't
mean it won't. Just the wrong amount of "excitation" could get it
started. I've had good results with dry lubes containing teflon (PTFE)
or motorcycle c
s.php?clickkey=22817
Joe Cruz
cruzj12 at frontiernet.net
KR1.5 N3151K.sanding for final paint
KR2S builderrebuilding wing fuel tanks
On Fri, 8/28/15, Mike Stirewalt via KRnet wrote:
Subject: KR> Rudder hinge play
To: krnet at list.krnet
I was told recently the plans call for three rudder hinges. I've only
got two. Of those two, the one at the top had some forward/rear play. I
can "jiggle" it front to back. I can clearly see the bolt, castlenut &
cotter pin and have access to pull the bolt and put another one in if
necessary.
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