[aprssig] 12V wiring ideas

Dave dave at g8kbv.demon.co.uk
Sun Oct 30 13:41:12 EDT 2011


From:           	"Al Wolfe" <alw.k9si at gmail.com>

>     Must be deja vu again. This comes up here and other groups from time to 
> time.
> 
>     The Air Force outlawed soldered inline connections for most applications 
> in airplanes at least fifty years ago because of the solder wicking problem 
> mentioned earlier. However, soldering is widely used inside airborne 
> equipment racks and on some of the connectors to these racks. They did tend 
> to use wire that had finer stranding than what we amateurs use so the abrupt 
> junction to where the wicking stopped was probably more pronounced. And 
> airplanes are probably subject to a lot more vibration than a typical ham 
> install.

A lot of higher frequency vibration too, not the sort of thing you get in 
most civilian vehicles.

Ham stuff, generaly is already at ground level when it fails too...

73

Dave G0WBX.






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