[Boatanchors] WTD: Intercom Switches for Battleship

[mac]

Modifying a regular 6-pole, 2-position rotary switch for spring return  
shouldn't be too hard.  Worse-come-to-worse just use in the original  
detent config.   Neither totally authentic but a second class  
something would be better than a first class nothing.

Dennis

On Aug 30, 2009, at 4:20 PM, J. Forster wrote:

> The volenteers on Battleship Massachusetts at BattleShip Cove in Fall
> River are trying to restore to working condition the xxxx  intercom
> system. Each station has a speaker which doubles as a microphone, an  
> audio
> power amplifier, and the necessary switching.
>
> The immediate problem is that about 6 of the Talk-Listen switches have
> been damaged beyond repair, likely by excessive force. They do not  
> appear
> to be available, other by special order from the maker, which is well
> beyond the resources available.
>
> The switches are a bit odd: They are two position rotary switches, but
> momentary contact. One of the two positions is spring loaded, so if  
> the
> knob is released from the TALK , the switch returns home to the  
> LISTEN.
> The switch has two wafers, and each wafer is 3-pole; 2-position.
>
> The switch was made by Centralab, P/N 2BFX6977.
>
> Does anyone have a catalog or data sheet that lists this number?  
> Ideally,
> I'd like the part numbers for the actuator part and the phenolic  
> wafers so
> the needed switched could be assembled from bits scavenged from other
> switches.
>
> Also, does anyone know of a source of such switches or the  
> constituent parts?
>
> Thanks,
> -John
>
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