>Alan B. Pearce wrote:
>
>> My Volkswagen Golf uses a pneumatic drive for the central locking on the
>> passenger doors.
>
>Can you tell me please what model/year that is? This could be a pump that
>works for me.

Ahh - Umm - lets see. It is a mid-90s IIRC. I don't know if the pump would
be enough power to do what you want, I just pointed at it as an example of
how air can be used in place of a solenoid, seeing someone mentioned the
possibility. It does give the lock/unlock quite a soft action compared to a
solenoid lock with its "clunk" as the solenoid works, so I suspect the air
pressure is not a lot, but rather works on the volume of air.

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