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Oil Field Engines & Related Equipment

25hp Superior


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  #1  
Old 01-28-2011, 11:58:06 AM
Harold Price Harold Price is offline
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Default 25hp Superior

Why would there be counter weights on the crank on one engine but not on another one just like it?
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Old 01-28-2011, 12:47:34 PM
Harold Price Harold Price is offline
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Default 25hp superior

Why would there be counter weights on the crank on one engine but not on another one just like it?
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Old 01-28-2011, 01:39:18 PM
Tom Weatherford Tom Weatherford is offline
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Default Re: 25hp superior

The flywheels on one might not have built in counter weight and the other one does.
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Old 01-28-2011, 09:02:42 PM
Fred Milner Fred Milner is offline
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Default Re: 25hp Superior

I also have a 25HP Superior with the counterbalanced crank. It is my understanding that the industrial engines had the counterbalanced cranks. Do you think that they would put the industrial cranks and flywheels on an oil field engine if they ran out of the balanced flywheels but had the industrial stuff on hand. Most companies did what they had to do to get the engine out the door and the money coming in.
Just my thought.
Fred
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Old 01-28-2011, 10:15:38 PM
Jeff Miley Jeff Miley is offline
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Thumbs up Re: 25hp Superior

Harold: Beautiful Superior.
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Old 01-29-2011, 09:47:22 AM
Harold Price Harold Price is offline
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Default Re: 25hp Superior

I thought that maybe the engine was us on an application that required lots of power and steady rpm’s. The weights would help keep up the HP.and rpms through the exhaust and intake cycle. I don’t know if this would be right or wrong.
Jeff thanks for the complement
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Old 02-01-2011, 11:23:49 AM
Walt Roys Walt Roys is offline
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Default Re: 25hp Superior

On the engines that did NOT have the counter ballance on the crank, is the ballancing done by putting holes on the inside of the flywheels? With the 20 I have ,I was guessing this was what those big rectangular holes were for. Is that correct?
Walt
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Old 02-01-2011, 01:38:35 PM
speleausmining
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Default Re: 25hp Superior

Yes often thares holes bored out or a rectangular area to ballence out the crank. On early engines you will often see a weight bolted on to the fly wheels. Depends on the manufacturer etc. Failure to account for the crankshaft results in an off ballenced engine, excessive vibration, and premature wear to bearings etc. Nice engine I have allways admired Oilfield engines and Superior is probably #2 on my list of desirable engines.
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