Quote:
Originally Posted by drac2k
Pretty inventive theory and as good as any I've come up with, but my problem with it is that when the inner tube and the outer tube are screwed together, there aren't any moving parts to allow a pumping action and if the tubes are not coupled, then when you would force the inner tube into the outer tube, the water would come out the sides before it went through the nozzle.
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Ah, I didn't realise it screwed together, that blows my theory out of the water!
(Unless that's just a feature for when not in use? But doubtful. I imagined the red fabric an area for "packing" to form a moving seal between inner & outer, but yes a long shot....).
Good luck in finding out how it was used & please let us know.
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