Vince Frazier
Joined: 10 Jan 2006
Posts: 132
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 Posted: Tue Sep 23, 2008 6:26 am Post subject: tailwheel nut torque |
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SNIP ********
Subject: Tail wheel bolt torque
What torque do you use for the 1/2 inch nut that holds the tailwheel
fork on the spring?
The torque for 1/2 in. bolts is 480 inch lbs ,but when it is this tight
the fork is hard to turn in the mount.
George H. Inman
SNIP**************
Ideally you should be able to tighten that nut normally, i.e. all the
way down. I don't believe that putting 40 foot pounds (480 inch pounds)
is really necessary... hand tightening normally is OK if your
self-locking nut is in good shape.
However, if you tighten the nut and it puts the mechanism in a bind,
that isn't good. What is happening is that your socket is too tall for
your fork. When you tighten the big nut, it binds everything. You can
remedy this by removing a few thousandths of an inch of the socket
height with a file, belt sander, etc. Obviously, you want to keep it
relatively square while you're doing this. You can remove material from
either end as it shouldn't be very much at all.
An alternate fix for the "too tall, too tight" might be to drill the
threaded portion of the fork to accept a cotter pin. Then you could
leave the (castle) nut a little bit loose and not worry about it
departing.
If this doesn't make sense, feel free to call me in my office at
812-464-1839 Mon-Thur from 8-4 CST. I can't return long distance calls
from that number, so if I don't answer please try again later or send an
e-mail.
Vince Frazier - the tailwheel guy, 150+ sold, in stock and ready to ship
always
Screaming Eagle Graphics and Accessories
3965 Caborn Road
Mount Vernon, IN 47620
812-464-1839
http://www.vincesrocket.com/products.htm
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_________________
Vince Frazier
3965 Caborn Road
Mount Vernon, IN 47620
812-464-1839 work
812-985-7309 home
F-1H Rocket, N540VF
http://vincesrocket.com/ |
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