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[rebel-builders] New issue FUS-30 thickness and FUS-30 doubl

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Ken

[rebel-builders] New issue FUS-30 thickness and FUS-30 doubler

Post by Ken » Sun Feb 19, 2012 5:24 pm

Hi Garry
I respect Wayne's and your experiences and I appreciate it when anybody
shares their experiences. I wish more people would do so. It is a good
learning environment when more than one side of an issue is on record.
Then the student can choose to investigate more if he wishes and
hopefully apply the scientific method instead of just polling for
opinions which seems too common nowadays. Things are often not what they
first appear as we all well know. Tailwheels are subject to more multi
dimensional and multi mode oscillations than I first suspected. The
static and low speed load analysis is fairly simple for anyone
interested though.
Ken


Garry Wright wrote:
For the record Ken, I agree with Wayne. A significant torque is
developed and two years of not agreeing on this has not changed my
opinion or yours. I have suffered damage from it like Wayne and believe
that one sided tailwheels are suitable only for aircraft with tubular
framework - not for Rebels and the like. Pot re-stirred : )

Garry

Ken wrote:
FWIW and to stir the pot ;)
I happily run the Matco one sided tailwheel and assert that neither the
tailspring or fuselage can tell the difference between a one sided or
two sided tail wheel fork. My spring has no twist whatsoever when the
wheel is forward and aft. Exactly the same as my former two sided fork was.

Of course this is with the side to side center of the wheel centered on
the spring. It is hard to imagine that the Maule isn't also centered
left to right?

Ken

Wayne G. O'Shea wrote:
Yep.. think Ron hit all the nails on the head.

It's always been .032... may have been a very few early ones that were .025.

Even with it doubled... I'm still seeing issues with them... especially from
the one sided fork Maule crowd. I have one in the hangar right now that I
repaired about 6 years back with a new Fus 30 and a new doubler. It has
started to crack on one side of the back corner behind the TS1's.... thanks
to the twist action from the one sided Maule tailwheel.

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