[TenTec] Knife Switches and etc

Robert & Linda McGraw K4TAX RMcGraw at Blomand.Net
Mon Aug 1 20:11:33 EDT 2005


Oh agreed on the power rating but what about the "rust factor" when mounted 
outside?  I recall that was a condition someone posed for disconnecting the 
feed line or grounding the feed line.

73
Bob, K4TAX


----- Original Message ----- 
From: "Stuart Rohre" <rohre at arlut.utexas.edu>
To: "Discussion of Ten-Tec Equipment" <tentec at contesting.com>
Sent: Monday, August 01, 2005 6:41 PM
Subject: Re: [TenTec] Knife Switches and etc


> For the 100 watt ham station, the project knife switches from Home Depot 
> are perfectly adequate.
>
> In fact they are probably good for a kilowatt if you mount them on 
> insulating fiberglass or phenolic board.
>
> After all, you will not be making and breaking contacts with power 
> applied! (I hope!)
>
> I have a small double pole double throw knife switch that was my first 
> antenna changeover switch with separate transmitter and receiver.  It is 
> going on
> 48 years old without ever arcing over.
>
> Stuart
> K5KVH
>
>
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