[Boatanchors] DPDT Lever switch wanted
LEE BAHR
pulsarxp at embarqmail.com
Thu Dec 17 22:58:36 EST 2009
I'm looking for two of these too. I purchased a RCA broadcast transmitter
missing them. Please respond to John King if you can fill his needs only.
Secondly consider my request if you know of a larger source or have more
then John needs or just have helpful info. The ones I need should not be
spring return. (Good to know you can take out the spring).
The way the RCA works, the two switches control two DPDT relays. Depending
how you set the two lever switches determines which of three crystals is in
the circuit. The original switches had about an inch and a half black round
plastic handle (bat handle). There is lots of space for the switches to be
mounted. I looked in the Mouser, Allied, and Digi-Key catalogs with no
luck. Maybe I missed them there. The RCA manual depicts the switches in a
wierd way. I can't tell for sure what is closed and what is open looking at
the diagram. I think it shows two switch poles closed when the handle is
down and another switch pole closed when the handle is up.
Any help with the switches or information would greatly be appreciated
----- Original Message -----
From: "Paul Kraemer" <elespe at lisco.com>
To: "Al Klase" <al at ar88.net>; "John King" <k5pgw at yahoo.com>
Cc: <boatanchors at mailman.qth.net>
Sent: Thursday, December 17, 2009 9:28 PM
Subject: Re: [Boatanchors] DPDT Lever switch wanted
>I understood John to mean a two position lever switch, as used on numerous
> intercoms, except they would likely be spring return.
> Spring return can be defeated by removing the spring. So what he wants is
> DPDT On-On lever actuated. IMHO
> Paul K0UYA
> ----- Original Message -----
> From: "Al Klase" <al at ar88.net>
> To: "John King" <k5pgw at yahoo.com>
> Cc: <boatanchors at mailman.qth.net>
> Sent: Thursday, December 17, 2009 5:50 PM
> Subject: Re: [Boatanchors] DPDT Lever switch wanted
>
>
>> John,
>>
>> I "think" what you mean is "DPDT Center-Off." Modern practice seems to
>> be to specify a "circuit" Such as On-Off-(On), where (On) is
>> momentary. So you probably need DPDT On-Off-On. You also need to
>> specify the hole diameter, at least. Mouser, Digi-Key, etc. will let
>> you get exactly what you want.
>>
>> Al
>>
>> John King wrote:
>>> I am looking for a DPDT lever switch NON Momentary, but one that stays
>>> switched when switched to either position. Please email me directly and
>>> let me know what you have and the deal. Thanks and 73, John, K5PGW
>>>
>>>
>>>
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>>
>> --
>> Al Klase - N3FRQ
>> Jersey City, NJ
>> http://www.skywaves.ar88.net/
>>
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>
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