[TowerTalk] Loose rotor bolts

[Lee Wical]

         THERE ARE SEVERAL DIFFERENT "LOCKTITE." THE LOCKTITE YOU 
WANT IS THE COLORED TUBE THAT
WILL NOT PERMENTLY STICK THE THREADS!



At 05:14 AM 11/23/2007, Bill Coleman wrote:

>On Oct 29, 2007, at 1:37 PM, Bill Turner wrote:
>
> > When I worked in the avionics business, I read a report by Loctite
> > which explained why lockwashers alone are not enough in high force
> > environments. In a nutshell, when pressure is applied horizontally to
> > a bolt, and periodically reversed, there is a leverage effect which
> > will actually unscrew the bolt after a period of time, if the
> > horizontal pressure is great enough. Their answer (of course) was to
> > use a thread locking material such as Loctite.
>
>For the record, though, the use of Loctite to secure a fastener is not
>considered sufficient for aviation use. There are only three approved
>methods:
>
>1) Castellated nuts and cotter pins
>2) Nyloc nuts
>3) Drilled bolts and safety wire.
>
>
>
>Bill Coleman, AA4LR, PP-ASEL        Mail: aa4lr at arrl.net
>Quote: "Not within a thousand years will man ever fly!"
>              -- Wilbur Wright, 1901
>
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