[Boatanchors] somewhat off topic (switch ID)

[Dick KF4NS]

Wow, what a strange way to describe a switch. Way back in 
radio/electronics school in the early '60s I seem to remember that 
this switch was called a DPTT (triple throw).

Ok, that makes sense John.

Thanks and 73, Dick KF4NS
St Petersburg, FL 33714 USA
Keep The Glow!

----- Original Message ----- 
From: "John Lawson" <jpl15 at panix.com>
To: "Dick KF4NS" <kf4nsradio at verizon.net>
Cc: <boatanchors at mailman.qth.net>
Sent: Thursday, April 01, 2010 6:24 PM
Subject: Re: [Boatanchors] somewhat off topic (switch ID)


>
>
> On Thu, 1 Apr 2010, Dick KF4NS wrote:
>
>>
>> ON-NONE-ON
>
>
>  The switch has two mechanical positions - will not stay in the 
> 'center'
>
>
>
>>
>> ON-OFF-ON
>
>
>   The switch has three mechanical positions, either extreme of 
> travel and center.  Used where one of two circuits need to be 
> switched "either-or" or both "off".
>
>
>>
>> What is the difference in the last two? They are different listed 
>> part
>> numbers for the same type switch.
>>
>
>
>   The momentary types of course are spring-loaded to either return 
> to center [wasn't that an Elvis tune?] or to return to one of the 
> two positions.
>
>
>  Cheers
>
> John KB6SCO
>
>