[SEL] semi - ot lock washer questions for engineers

[Charles R Bryant]

In alll the years I worked on both piston and jet powered aircraft I don't 
recall seeing a single
lock washer. This is not to say there weren't instances where lock washers 
were used.
(there was a lot of safety wire used though).

Charlie Bryant





----- Original Message ----- 








From: "Dave Rotigel" <rotigel at alltel.net>
To: "The SEL email discussion list" <sel at lists.stationary-engine.com>
Sent: Friday, September 23, 2005 4:40 PM
Subject: Re: [SEL] semi - ot lock washer questions for engineers


> At 02:37 PM 9/23/2005, you wrote:
>>Bill,
>>Oh here we go again! Sometime back I made the statement that lockwashers 
>>were indeed useless devices. Several flame making devices were aimed my 
>>way. But reading any good engineering text on bolted connections will 
>>quicky show that they really are not needed for properly sized and torqued 
>>bolted connections. Hardened flat washers in conjunction with correct nuts 
>>and proper preload is as good as it gets.
>>Curt Holland
>
> I don't doubt you on this at all Curt, but what Glenn Karch and I really 
> want to know is--are your nuts really on upside down? Please send me 
> Missy's e-address (off List) so that I can get the TRUTH from the only one 
> who really knows!
>         Dave
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