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Daft idea? Flash steam engine..

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John Hill:
Hi Manxmodder...

My ideas keep changing but my favourite at this time is to make two thick metal disks.  Each disk would have shallow passages machined in one surface and and the disks clamped together by a spring clamp and water injected into the small space between them.  De scaling would be a matter of separating the disks and giving them a brisk scrub.

spuddevans:

--- Quote from: Manxmodder on January 17, 2014, 06:44:42 PM ---Just had a read of this and it is an interesting concept.

 Just a quick thought on the potential problems caused by scale build up in the heat exchanger or injector,if water out of the tank of a dehumidifier is used then surely the scaling up problems would be completely overcome.
Anyone?

--- End quote ---

or alternatively, if your window cleaner uses the pure-water method ( brush on a stick with water spurting out the end ) have a friendly word with him and ask if he'll fill a container from his R.O. (Reverse Osmosis) filter for you. That should give you water with virtually no impurities in it.

But don't get water that is de-ionised (what comes out of his brush onto your windows) as this will tend to leach certain metals out of your boiler, continuous use of de-ionised water through copper pipe will eventually give you pin-holes .


If you explain what you want to your window cleaner I'm sure he'll help you out (assuming that he uses that system)


Tim

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