Johnmor
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| posted on 3/10/06 at 08:13 PM |
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Im Confused
If HP is defined as RPM X torque/ 5252 then:
1 HP += the ability to move 33000lb ,1ft in one minute (James Watt, looking at dray horses)
Some of the largest static engines ever made were produced to roll 18" battleship armour plate.
( they made three in Glasgow and lost one in transit)
They could compress and roll a 16ftx24ft red hot piece of steel 18" thick.
The rev of the engine never exceeded 50-60 rpm.
So, if perhaps guessing they had a torque of 2000lbs/ft . that means they developed
2000X55/5252 20.9hp
20.9 don't seem much
That seems to be the same as a 125cc 2 stroke. I,ve seen these static engines and boy, they look more impressive than a 125.
I guess ts all down to interpritation of power.
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DIY Si
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| posted on 3/10/06 at 08:17 PM |
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That's correct. Big old engines produce minimal hp, but loads of torque. A mates 1940's tractor puts out 24 bhp (on a good day!), but can
easily pull tress up!
Oh, how the hell do you lose a rolling mill THAT big?!
“Let your plans be dark and as impenetratable as night, and when you move, fall like a thunderbolt.”
Sun Tzu, The Art of War
My new blog: http://spritecave.blogspot.co.uk/
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smart51
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| posted on 3/10/06 at 09:10 PM |
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The Wartsila-Sulzer RTA96-C turbocharged two-stroke marine diesel engine makes 5,608,312 LB Ft of torque and 108,920 BHP at 102 RPM from 25,480
litres. Its thermal efficiency can excede 50% so fuel consumprion is only 1660 gallons per hour.
5608312*108920/25480 = 23973
http://people.bath.ac.uk/ccsshb/12cyl/
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DIY Si
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| posted on 3/10/06 at 09:18 PM |
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quote:
so fuel consumprion is only 1660 gallons per hour.
Oh good, that reasuring!!
“Let your plans be dark and as impenetratable as night, and when you move, fall like a thunderbolt.”
Sun Tzu, The Art of War
My new blog: http://spritecave.blogspot.co.uk/
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Johnmor
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| posted on 3/10/06 at 10:21 PM |
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5 million ft/lbs. !!!!!
Thats almost galactic proportions, 2300ft/tons of torque.
Thats got to froth the water at the back end.
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NS Dev
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| posted on 4/10/06 at 07:12 AM |
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quote:
Originally posted by Johnmor
If HP is defined as RPM X torque/ 5252 then:
1 HP += the ability to move 33000lb ,1ft in one minute (James Watt, looking at dray horses)
Some of the largest static engines ever made were produced to roll 18" battleship armour plate.
( they made three in Glasgow and lost one in transit)
They could compress and roll a 16ftx24ft red hot piece of steel 18" thick.
The rev of the engine never exceeded 50-60 rpm.
So, if perhaps guessing they had a torque of 2000lbs/ft . that means they developed
2000X55/5252 20.9hp
20.9 don't seem much
That seems to be the same as a 125cc 2 stroke. I,ve seen these static engines and boy, they look more impressive than a 125.
I guess ts all down to interpritation of power.
They would develop a lot more torque than that John, that's probably why.
We used electric drives at the steel mill I used to work at, but they were 2000hp, 500v DC, 7000amps, and we would stall them occasionally when
rolling very high wall reductions (seamless tube mill).
Retro RWD is the way forward...........automotive fabrication, car restoration, sheetmetal work, engine conversion
retro car restoration and tuning
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