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Old compressor????

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Brian

11-02-2001 15:40:20




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I'm not sure if this is the place to post this but, I'll give it a shot. I bought a piece of "junk" at an auction the other day and it seems to be a flat belt driven compressor pump.
unfourtunatly I found where the original tag WAS.

Now the only markings are on the flywheel:
THE AU-TO 6

It has a 3"bore and a 3 7/8"stroke. Has anyone seen or now anything about one of these?
Thanks for your time...
~Brian
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Neil

11-04-2001 13:07:54




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 Re: Old compressor???? in reply to Brian, 11-02-2001 15:40:20  
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I have the same commpressor but without the freewheeling flywheel. It is mated to a Fairbanks Morse Z Style B 2 HP motor. I have know idea who made it or for what purpose it was used. It is now just a display. I have it working as an air compressor, as you can see in the PIC it has a pressure guage and a water seperator hooked to it. It is a great air compressor and I use it to power other air driven static displays. I would like to know more about it as I have had it at hundreds of shows and I cannot get a definite answer.
I also bought this as a "junk" item at an auction, but is has been a hit at shows with it's distinctive "puff... puff" noise which out shouts the exhaust of the FM engine..
It is driven by an old timming belt from a Subaru. I have to replace the belt every 60000 miles and being a timming belt has almost no stretch characteristicts so it runs forever without needing to be adjusted.
Any another information would be greatly appreciated. Please email me or post it here.

Neil

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Tom

11-04-2001 18:12:10




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 Re: Re: Old compressor???? in reply to Neil, 11-04-2001 13:07:54  
These timming belts make great belts for flat belt drive lathes too. Just keep the oil off of them and they have great grip on the pullys and as you say, don't stretch.



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Brian

11-04-2001 05:49:00




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 Re: Old compressor???? in reply to Brian, 11-02-2001 15:40:20  
Thanks for you thoughts, and yes the outer belt pulley is free-wheeling. I guess I will just fix it up and give it a good coat of some color or another. Thanks again...
~Brian



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Mac

11-02-2001 19:20:47




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 Re: Old compressor???? in reply to Brian, 11-02-2001 15:40:20  
Could this have possibly been an old ammonia refrigeration compressor/pump?????



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Alvin NE WI

11-02-2001 19:13:09




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 Re: Old compressor???? in reply to Brian, 11-02-2001 15:40:20  
This is a shot in the dark--It probably was run with a hit & miss gas engine years ago. The way I look at the wide pully, it looks like it is welded togethet. If the welds were cut out , you would probably find that the outside pulley is a free wheeling one, which is where the old timers would guide the belt to when the air tank or whatever they used had enough pressure so they wouldn't have to crank and start the engine every couple minutes to get more air. Years ago {about65 years] my Dad had a water pump jack with a simlar style of pulleys. Those are my thoughts.

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Bus Driver

11-07-2001 05:52:02




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 Re: Re: Old compressor???? in reply to Alvin NE WI, 11-02-2001 19:13:09  
Saw a similar one driven by hit-or-miss engine as part of the starting system for large stationary FM Diesel engine. The air tank was pumped to 125 PSI by the small engine compressor combo. The air was fed into one cylinder of the diesel through timed valves to spin the engine. A sort of sparkler was ignited and inserted into the other diesel cylinder through a sealable opening. After the first cylinder was firing, the second was changed from the air feed and began firing. The Diesel was 2 cylinders, about 80 HP.

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