On this subject I would tend to believe some of it's due to thermal expansion
and contraction
From: Dennis Griffin <[email protected]>
To: "[email protected] Mailer" <[email protected]>
Sent: Thursday, June 18, 2015 9:24 AM
Subject: Re: [Elecraft] Loctite
A small drop of Loctite® 222, which is purple in color, would be appropriate
for these small screws in this application. However, I don’t consider most cars
to be a high vibration environment. If one were to regularly drive on
cobblestone or washboard surfaces, then a thread locker might be warranted, but
that would be more of a low frequency vibration, very unlike a high frequency
vibration, such as might be generated by a high RPM 4 cylinder motorcycle
engine.
Even though the screws may be of a stainless steel material, there is still a
slight potential for galvanic corrosion. I’d think that use of a heavy bodied
anti-seize compound on these screws would be all the “thread locker” most OM’s
would need.
73 de Dennis KD7CAC
Scottsdale, AZ
> On Jun 18, 2015, at 5:59 AM, David Robertson <[email protected]
> <mailto:[email protected]>> wrote:
>
> One of the members of this e=mail forum made the following statment:
>
>
> "If the radio is going to be used in a high vibration environment, like a
> car, sealing the screws with Loctite might be a good idea."
>
> Although he is correct, you must be very careful on which type of Locktite
> you use. Locktite comes in colors and you want to stay away from the red
> color Locktite as it is perment. Using it will make it very difficult, if
> not impossible to remove.
>
> 73
> Dave KD1na
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