American Airconditioning oddity

I hope you plan to do the decent thing here and install a district heating system so you can sell the excess heat to your neighbours... ;-)

Regards, Tony

Industrial refrigeration systems were always rated in tons, even in the UK.

USA ton of refrigeration is 288,000Btu per day or 200Btu per minute. The heat absorbtion per day is equivalent to the fusion of 1 ton of ice at 32 Deg F, which is where the 'ton' rating comes from. UK ton of refrigeration is 237.6Btu per minute.

Plant ratings vary with air and refrigerant temperature obviously.

Peter

-- Peter & Rita Forbes Email: snipped-for-privacy@easynet.co.uk Web:

In a word Bragging Rights, well two words. This is why the US calls a 3-1/2" centre lathe a 7" lathe. This is why their miles are shorter so they can go faster. This is why building are taller as they have no ground floor.

I encourage every Brit who visits Long Beach to run to the end of the pier where the Queen Mary is moored and shout

"Come in number five, your times up "

-- Regards,

John Stevenson Nottingham, England.

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Because they love units that clash with the metric system ?, like mills instead of thou 8-).

Greg

The Ton refers to a nominal ability to freeze water. A one ton plant should be able to deliver a ton of ice a day.

this should be 288 000 BTU / 24 hours or 3.5169 Kw

Just spotted this, may be worth a closer look:-

tonne

evaporative

oooo that looks rather nice ! I'll see if Flowcool have any spec details. Have you ever bought through a Henry Butcher on line auction?

AWEM

I've tried to. British Waterways sold some maintenance boats through them a few months ago. There was one I was after, it went for about 3x what I (& others) was expecting. It's not like ebay, the auction continues for 10 minutes after the last bid, so there's the possibility of particular items ending hours after the nominal auction close. You need to be some sort of bona fide business to register with them, I'm sure you could manage that Andrew , just don't leave registering until the last minute as it's not instant.

Cheers Tim Dutton Dry-Dock Traditional & Modern canal craft repairs Vintage diesel engine service

dollars

water

auction?

auction

them,

I've been registered for about 6 months but never actually used it !

AWEM

I've bought a few things through them. It wasn't a problem getting registered and I didn't even have to fib and say that I was a business.

Charles

Maybe that was a special condition of the BW auction, I remember they (Butchers) were allegedly checking applications against some register or other of businesses.

Cheers Tim Dutton Dry-Dock Traditional & Modern canal craft repairs Vintage diesel engine service

Just how long is an American mile? American tons used to be known as "short tons" IIRC.

I stayed on the Queen Mary a number of years ago. The novelty was that over the bath were two call buttons, one for a steward and one for a stewardess. Neither worked.

Steve

They have to be in Mexican to work.

-- Regards,

John Stevenson Nottingham, England.

Visit the new Model Engineering adverts page at:-