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Oil Field Engines & Related Equipment

20hp Bessemer Restoration


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  #61  
Old 02-18-2012, 12:22:44 AM
mccormick98 mccormick98 is offline
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Default Re: 20hp Bessemer Restoration

OK, haven't posted in awhile and have done a lot to the bessemer. We got the oiler tree on and all the fuel system on and have been trying to start it. We can get about 3 good hits then it seems like it can't get enough fuel to take off and run. any idea's
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  #62  
Old 02-18-2012, 10:27:30 AM
Kirk Taylor Kirk Taylor is offline
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Default Re: 20hp Bessemer Restoration

Quote:
Originally Posted by mccormick98 View Post
OK, haven't posted in awhile and have done a lot to the bessemer. We got the oiler tree on and all the fuel system on and have been trying to start it. We can get about 3 good hits then it seems like it can't get enough fuel to take off and run. any idea's
Yeah. Machine the inlet valve so it stops leaking like a sieve and put babbitt in the cross head, since there is none, so that: 1) the packing gland will hold; 2) the piston doesn't break from all of the up and down movement of the rod; and 3) it doesn't rip the cross head all to pieces.
It has a significant amount of blow-by. When it fires, the blow-by dilutes the fresh charge behind the piston and pushes half of it out through the inlet valve.
People may say, "Oh, that's close enough. These things can be totally worn out and broken up and they'll still run." These people aren't the ones tramping a 20 hp Bessemer for hours on end. Fix any one of the three things above and it might start. Fix any two and it should start. The blow-by will decrease as the engine gets some run time on it. Of course you need to get it running first. You can maybe start it by belting it up. You run the risk of dropping the belt into the flywheel and wrecking something, and even more, risk damaging the engine by running it without babbitt in the cross head. If those are acceptable risks for you, go for it.
You've come a long way with that engine and have done a superb job on it. All of the resources, including materials, equipment, expertise, and help, are at hand. Go the rest of the way and fix what needs fixed.

Kirk
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  #63  
Old 02-18-2012, 11:55:36 AM
mccormick98 mccormick98 is offline
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Default Re: 20hp Bessemer Restoration

Hey kirk,
We took the inlet valve apart this week and filed at it a little and it seems to be nice and straight. we backed the piston off and that seemed to help a lot. now we can get 4-5 good hits out of it. Id just like to hear it run before I tear it all apart again
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  #64  
Old 02-18-2012, 05:31:30 PM
justme7917 justme7917 is offline
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Default Re: 20hp Bessemer Restoration

hey mc on my 15 i use a on demand reg. it saves fuel and runs good. thats the way mine started 1 2 then 3 4 hits. its the way you earn the right of ownership.
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  #65  
Old 03-05-2012, 08:14:22 PM
mccormick98 mccormick98 is offline
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Default Re: 20hp Bessemer Restoration

Finally We had it running a few days ago and it ran great. we had it running for about 45 mins. the big problem was we were using a new grill tank and it had the safety valve in it. we got a tank off a propane forklift and hooked up and it ran good.

http://www.youtube.com/watch?v=SHuyc...6N5tgvA6VgJk9V
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  #66  
Old 03-05-2012, 10:37:41 PM
Matt-oilfeildengineguy Matt-oilfeildengineguy is offline
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Default Re: 20hp Bessemer Restoration

What size post's did yall use for the base? and how long are they?
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  #67  
Old 03-06-2012, 08:25:53 AM
mccormick98 mccormick98 is offline
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Default Re: 20hp Bessemer Restoration

Bottom 2 are 8x8's and the top ones are 6x8's. we put the 6x8 so it was 6 inches tall. I'm really happy with how they turned out. When we were done we coated them in used motor oil. Gives them a nice finish.
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  #68  
Old 03-06-2012, 09:47:54 AM
Andrew Mackey Andrew Mackey is offline
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Exclamation Re: 20hp Bessemer Restoration

The only thing the new grill tanks with the OPD valves in them are good for, is for providing gas for the hot tube, if your engine has one. They will not allow enough gas to pass thru, to fire the engine, as they will lock off. You have to use a larger tank, like a 50 or 100 pounder, to get enough gas to run the engine. My engine club (and I), found this out the hard way, as well. The larger the tank, the better. The engine will use the gas fast enough to actually freeze up the propane in a smaller cylinder. Even when we run our engine on a 100 pound tank, when the liquid level gets below 4", unless we lay the tank on its side to increase the evaporation rates, or run water on the tank, it wil freeze up within a few minutes.
Andrew
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  #69  
Old 03-06-2012, 06:35:10 PM
justme7917 justme7917 is offline
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Default Re: 20hp Bessemer Restoration

try a demand regulator i run mine on small tanks all day
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  #70  
Old 03-07-2012, 09:11:43 PM
mccormick98 mccormick98 is offline
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Default Re: 20hp Bessemer Restoration

I might have to try a demand regulator but now i got it running fine on a propane forklift tank i might just stick to that Ill have to get a demande regulator for the next one i get
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