Purified Di-Hydrogen Oxide.....

tac foley said:
Dehydrated water? Now THAT's a trick. You'll have to explain, please.

tac
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Well-publicized scam/joke. Empty tin. Saw it featured somewhere recently... some people will believe anything, that’s why America has ordered the word .”gullible” to be removed from the Merriam-Webster dictionary.
 
Eaglecliff said:
When I took part in a medical research project a couple of years ago, they filled my arm with Heavy Water. Not sure why or what happened to it.... Just thought I’d mention it.
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Did the extra weight on one side make you lob-sided ;)
 
Eaglecliff said:
Well-publicized scam/joke. Empty tin. Saw it featured somewhere recently... some people will believe anything, that’s why America has ordered the word .”gullible” to be removed from the Merriam-Webster dictionary.
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Well, I can tell you that that is the stuff we use in the Army to reconstitute our mix-with-DH-and-shake-the-bag cutlery set to eat our RATPACKS/MREs. Backtracking a little, we were on exercise with the US Rangers down in Bad Tolz at the Long-range Patrol School as it was then, and fed up with our American buddies joshing us about our lack of comforts, I pulled out a wrapped set of plastic KFS, poured some of our 'special water' into it, shook it, and produced a rather damp cutlery set. The tent went VERY quiet for a few minutes until one of the guys caught on...

tac
 
Dehydrated water - you breath it all the time!
 
Density and viscosity are not dependent on one another!:rofl:
 
JimmyB said:
Ah, but this was heavy water!
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The extra weight was probably balanced out by the weight of the muscle tissue biopsies they took out of my leg.
(The object of the research involved the effects of exercise on ageing. The delightful young lady in charge got her doctorate and I got £100. Apparently there was a research programme involving a heart drug; if you let them stop your heart momentarily and then restart it with their new stuff, you got £100,000. Or your beneficiaries did).
 
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Eaglecliff said:
The extra weight was probably balanced out by the weight of the muscle tissue biopsies they took out of my leg.
(The object of the research involved the effects of exercise on ageing. The delightful young lady in charge got her doctorate and I got £100. Apparently there was a research programme involving a heart drug; if you let them stop your heart momentarily and then restart it with their new stuff, you got £100,000. Or your beneficiaries did).
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Stuff that for a game of soldiers! - I have enough trouble getting central heating circulators to errr... circulate..

NOTE:
When did 'pumps' become 'circulators'?
AND...
Should they not be 'rectangulators'? - Knowing how most heating systems are laid out? :think:
 
PhilP said:
Stuff that for a game of soldiers! - I have enough trouble getting central heating circulators to errr... circulate..

NOTE:
When did 'pumps' become 'circulators'?
AND...
Should they not be 'rectangulators'? - Knowing how most heating systems are laid out? :think:
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They have always been called circulators, a pump will create a head of water / liquid, a circulator does just that, circulate .
It's like refering to a water tank in the loft where it is actually a cistern, tanks can be pressurised cisterns can't.
Just being a bit pedantic.

Shaun
 
JimmyB said:
A pump should be a positive displacement, where a circulatory, is rotary (generally) and if to much resistance is placed in the line the fluid will idle in the device.
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So seeing as many are 'in' with the boiler, on the kitchen wall these days... They must be 'pumps', as they have to displace upwards to the first floor circuit as well.
Does explain why the impellor design in them is so carp though! :nerd::nod:
 
PhilP said:
So seeing as many are 'in' with the boiler, on the kitchen wall these days... They must be 'pumps', as they have to displace upwards to the first floor circuit as well.
Does explain why the impellor design in them is so carp though! :nerd::nod:
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No, because the weight of water will also come back down to the - err, circulator, making a closed and balance system.
 
PhilP said:
So seeing as many are 'in' with the boiler, on the kitchen wall these days... They must be 'pumps', as they have to displace upwards to the first floor circuit as well.
Does explain why the impellor design in them is so carp though! :nerd::nod:
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Impellers are not designed to raise pressure, by the very nature of a system impellers will raise some pressure, however as the restriction becomes greater, you reach a point when the pressure drops and quickly goes to idle, whereas in a positive displacement pump, when the maximum pressure is reached you could get a hydraulic lock, hence safety valves and bursting disks, to prevent this, none on an impeller system.
 
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