I
Ian Stirling
- Jan 1, 1970
- 0
In sci.electronics.design Frithiof Andreas Jensen said:A small air pump - like used for aquaries??
The pump is left in a dry place and the hose can be as long as you like
because there will be little pressure drop with the miniscule flow.
If the pump is indoors, then in cold weather water will condense in the
tube, and block it freezing the tube, and stopping the flow of
air.