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Oil Field Engines & Related Equipment

Oil City half-breed


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  #31  
Old 03-04-2012, 06:08:39 AM
Andrew Mackey Andrew Mackey is offline
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Exclamation Re: Oil City half-breed

Your problem might just be a bad or loose head gasket. If it is the cylinder itself, Isolating the cylinder from the cooling system and putting in some 'water glass' will seal the cylinder or head itself, if it is leaking. Personally, I would check the head gasket first.
Andrew
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  #32  
Old 03-04-2012, 01:31:33 PM
Bob Whitney Bob Whitney is offline
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Default Re: Oil City half-breed

Andrew
I am thinking it could be the head gasket, the only time I leave water in the engine is at the shows over night. Been like this for several years, kind of my trade mark for first start up in the morning? It only makes 2 or 3 shows a year? My water tank is in the back, I think its a 40 gal. gas water heater. I travel with it empty, have to conserve weight on the back, with support equipment? I balanced the engine and trailer before bolting the engine down, not thinking of other stuff I need to take along?

I must have missed the last post you put on my post for the VS? You had a lot of questions? If you still need answers run them by me again, Fred won't mind, I know him form bearing scraping. Main bearings, Bessemer. At our show a few years ago, we had a crowd all day. It seams that people are fascinated with work, They can stand and watch it all day?
Bob
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  #33  
Old 03-04-2012, 01:47:12 PM
Andrew Mackey Andrew Mackey is offline
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Exclamation Re: Oil City half-breed

When we were working on the OCSP, we always had a crowd, especially when we were making noise! Lighting the Turbo torch always made people jump,expecially if the gas didn't light on the first stroke! A #6 turbo will use up a B tank in about 20 minutes, and will have ice on the tank if it is humid out! Now when we go to start it, if it backfires, people come running! Everybody likes a good bang, it seems!

As for the V/S, I was trying to answer questions you had on the unit, and wa asking questions in return. At our last communication, you didn't have the piston out yet, and were trying to figure where the compression loss was. I guess you are right about the ring diameter. 6" rings will not seal well in the bore dimensions you gave.

Andrew
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  #34  
Old 03-04-2012, 08:05:16 PM
Bob Whitney Bob Whitney is offline
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Default Re: Oil City half-breed

My best show stopper; I am standing with my back to my engine, talking to some one and the engine will cough a couple of times. The person I am talking to will stop talking, his eyes get real big and he points to the engine, and says. " It stoped, Restarted it self and is running in the opposite direction" Sometimes I play dumb and say " Realy? What did you do? " Then I explain to him that it is running in the wrong direction, but that is ok? In about 20 min it will stop and restart in the right direction? I also explain that running in the wrong direction in the field is not good.
Bob
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  #35  
Old 03-04-2012, 11:11:12 PM
Ray Ethridge Ray Ethridge is offline
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Default Re: Oil City half-breed

Yeah Bob, if it reverses direction while it is pumping, won't it pump the oil back into the ground?
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  #36  
Old 03-05-2012, 12:18:10 PM
Bob Whitney Bob Whitney is offline
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Default Re: Oil City half-breed

Ray
Ha! Ha!, Yep, That is what I tell them, if it doesn't wreck the equipment first? As Walt would say, " That is all in part of showmanship "
Bob
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  #37  
Old 03-05-2012, 02:46:54 PM
Andrew Mackey Andrew Mackey is offline
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Exclamation Re: Oil City half-breed

Sometimes our OCSP will reverse on its own, especially if the gas pressure in the engine side tank gets too cold from evaporation. Many times it will not reverse just once, but will rock back and forth many times. As this does not use as much fuel, it allows the tank to warm up and the gas supply becomes enough to fuel a complete revolution. Off it goes again. The record before re-starting is 37 reversals. We had quite a few people ask "Is it supposed to do that? Never saw a rocking engine before?"
Andrew
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  #38  
Old 03-05-2012, 04:56:49 PM
Rod Fielder Rod Fielder is offline
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Default Re: Oil City half-breed

most halfbreeds have a grease cup on the rod bearing and can run either direction without any harm. most of the later gas engines have a wiper/licker installed in the rod cap that scrapes the oil from a cloth wick. most bessemers, pattin bros., south penn, etc. with a oil tree and a wiper wick set up are meant to run in only one direction. the scrapers on these engines are a small metal scraper tabs that will only let the oil into the rod bearing when running forward, and the oil just runs off of the rod cap when run in reverse. i have had to pour a few rod bearings because the owners would let their engines run in either direction. not all of the gas oil field engines had the lickers with the channel opening on one side though. check yours out to see. i think most bullwheels and power units can run in either direction. the oil doesn't care???



rod
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  #39  
Old 03-05-2012, 05:21:26 PM
Andrew Mackey Andrew Mackey is offline
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Exclamation Re: Oil City half-breed

Our OCSP has oil wells for the main bearings, which are babbitted. The ways for the cross head are also fed by oil wells. The con rod throws, at both ends are Munkenheimer grease cups, with spring tensioned feeds. When the tops are turned down, the springs feed a smakk amount of grease at a set rate, supplying fresh grease to the bronze bearings for about 4 hours. In the fiels, they could be set to operate for a week at a time, albiet at a slower rate than I have them set at. The originals probably were larger than the ones I mounted, they were missing when we got the engine. I have also seen later versions of the OCSP with grease cups mounted in the way slide lube wells. I don't know if they were original.
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  #40  
Old 03-05-2012, 10:48:10 PM
Bob Whitney Bob Whitney is offline
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Default Re: Oil City half-breed

I have oil wells and greas fittings. Grease every time I start.
Bob
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