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Oil Field Engines & Related Equipment

Kootz Governor.


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  #1  
Old 04-08-2008, 11:01:46 PM
Greg Shipley Greg Shipley is offline
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Default Kootz Governor.

Got some questions as to how the pendulumn governor works on my Kootz before I fire it up.
Does this engine actually miss on compression? Anyone got a pic of the governor arrangement. How much play should there be in the brass slide?
How is the governor and push rod to be set up?
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  #2  
Old 04-09-2008, 12:53:42 PM
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Tom Winland Tom Winland is online now
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Default Re: Kootz Governor.

Hi Greg,

pendulum governor will unlatch and won't open the exhaust valve when missing so basicly it is coasting against compression and does not allow a fresh charge of fuel into the engine.

Tom Winland
Ohio
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Old 04-09-2008, 02:42:40 PM
Greg Shipley Greg Shipley is offline
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Default Re: Kootz Governor.

Thanks Tom,
How much play should there be in the brass slide on the pushrod?
mine has some slop in it.
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Old 04-09-2008, 03:45:06 PM
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Default Re: Kootz Governor.

Shouldn't have much play but they tend to wear out because the rod slides back forth thru the brass and it's not very well lubricated. In the past I've oversized the whole and put in bushings to get back to proper size. It's important that it will slide without hanging up because if it always pushes the exhaust open the engine could run away.

Tom Winland
Ohio
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Old 04-09-2008, 04:10:32 PM
Greg Shipley Greg Shipley is offline
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Default Re: Kootz Governor.

I will measure vertical play in the brass slide tonight and post it.
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Old 04-09-2008, 05:06:25 PM
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Eric M. Eric M. is offline
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Default Re: Kootz Governor.

Would it be possible to drill a small chamfered hole into the brass to provide lubrication to the back of the rod?
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Old 04-09-2008, 10:40:25 PM
Greg Shipley Greg Shipley is offline
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Default Re: Kootz Governor.

my brass slide has a oil well in the top of it.
after measuring, I have about .020" clearance between the brass slide hole and the rod. The hole does not seem to be egged out either. I suspect this will be ok?
Also, the 'knuckle' joint that swivels and allows the rocker and rod angle to vary from 90 degrees has a spring on it, how tight does this need to be?
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Old 04-13-2008, 09:29:18 AM
Paul Neal Paul Neal is offline
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Default Re: Kootz Governor.

Here's a picture of my kootz governor
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Old 04-13-2008, 10:26:40 AM
Greg Shipley Greg Shipley is offline
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Default Re: Kootz Governor.

thanks Paul.
I seem to be missing the part that hangs down on the catch end of the brass pedulmn. what does it do?
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Old 04-13-2008, 10:56:47 AM
Paul Neal Paul Neal is offline
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Default Re: Kootz Governor.

It's a weight that screws up or down on a threaded rod.
The lower the weight, the slower the engine. I.E. the governor
will swing down and not open the exh. valve.
No new charge is introduced into the cylinder, therefore the engine does not fire on the next compression stroke.
With the exh. valve closed the engine works against a "gas spring". It compresses the spent charge in the cylinder then the piston is pushed back by the compressed spent charge.
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Old 04-13-2008, 11:01:40 AM
Paul Neal Paul Neal is offline
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Default Re: Kootz Governor.

Just thinking, in the next few days I'll try to get a chance to measure and weigh that weight assembly and provide you with the results.
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Old 04-13-2008, 02:26:09 PM
Greg Shipley Greg Shipley is offline
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Default Re: Kootz Governor.

that would be great, beggers cannot be choosers, but the sooner the better, getting it all ready for a show first weekend in May
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Old 04-15-2008, 12:33:31 PM
Paul Neal Paul Neal is offline
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Default Re: Kootz Governor.

OK, the weight assy. for the kootz governor:
there is a 1/4-20 threaded rod 3" long plus whatever screws into the gov. arm. This is on the underside of the catch end of the gov. (see photo)
On this rod are threaded 2 round steel weights measuring 3/8" thick and 11/8" diameter. Between these threaded weights is a weight of 3/4 diameter and 3/4 length drilled thru on the axis with a 9/32 or 5/16 hole to slip on the rod. So there is a flat threaded weight above and below the middle loose weight.
The 3 weights weigh about 4 ounces total. A little more wouldn't be a problem as one could screw them up more if the engine ran too slowly. Mine are very near the bottom of the rod.
Hope this helps.
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