Re: [APML] Vacuum Pump

[George Anderson <georgea@CAM.ORG>]

Put the pump in a sealed box with a fitting for the output of the pump,
and connections to the motor. Add one last fitting to the box and let
the pump pump the air out of the box.

      Very bad ASCII art

      |----------------------|
      |    ____________      |
      |   |            |     |
      |   |  PUMP      |     |
    ====  |____________========= To anywhere else
      |______________________|
To film back                    


George Anderson
Montreal Canada

Clear skies and good health



 

swalters@att.net wrote:
> 
> I have heard that it is possible to modify an aquarium
> pump to draw a vacuum. I would be using this with a
> vacuum film back, this is not a very demanding
> application.
> 
> Does anyone know about doing this?
> 
> I would guess there is a valve inside the pump that
> simply needs to be reversed but this might prove
> impossible on some models, in any case this is a guess
> on my part.
> 
> Any suggestions welcome.
> 
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