First off my K3 (SN-4043) probably does not have stainless hdwr and no evidence of rusting living 2mi from saltwater.

I used blue locktite on 8-32 ss hardware assembling my 6m beam and has survived well normal wind vibrations. I guess those living in the highly urbanized world do not drive on unpaved roads so would not see abnormal vibration.

The worst mobile radio install I encountered was putting a 100w GE-Mastr-II into a D8 Cat on the Alaska North Slope. It survived less than 24 hours. I drilled and tapped 1/4-20 holes for mounting and the internal hardware all loosened and the whole insides fell apart.

I was new to mobile radio at the time (1982) and was not aware that they made anti-vibration platforms for this kind of service. The had spring-mount with small shock absorbers between a metal subchassis plate and the vehicle. Not my fault as my employer just showed me the work list and left me in charge of the shop. After an hour on the job: "Here's the keys, here's the work list, don't shutoff the suburban, see you in three weeks". High temp was -15F outside.

I worked 18-hour days x 21 and hauled some cash home...never went back up there, again.

73, Ed - KL7UW
http://www.kl7uw.com
    "Kits made by KL7UW"
Dubus Mag business:
    [email protected]

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