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 Post subject: 1920's Jeffrey Coal Cutter & vids
PostPosted: Wed Jul 04, 2007 7:30 pm 
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Joined: Mon May 08, 2006 2:16 pm
Posts: 1501
Location: Central Ohio
Well on July 2nd our restoration team has almost completed another mining equipment project.

A 1920's Jeffrey model 35 B shortwall cutting machine.
This machine was last used in the eastern Ohio Bituminous coal fields.

This was the most dangerous piece of equipment to operate in a deep mine. More people were killed either by operating or by the coal dust caused by the cutting action of the teeth latter causing "BLACK LUNG".

This machine quickly gots its name as the:

"WIDOW MAKER"

35 hp
6ft cutting bar
250 Volts DC
Built by Jeffrey in Columbus, Ohio

This piece of equipment when aquired has not operated in over 60+ yrs.

Basically everything was locked up & seized so bad that it made this project challenging. Our team had to disassemble the gearbox by 70% just to remove the cutting bar to brake the chain loose. Finally after getting covered in grease & coal dust we began to reassemble. Our first test trial of operating the cutter at full voltage was completed successfully on July 2nd.

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 Post subject:
PostPosted: Wed Jul 04, 2007 7:37 pm 
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Joined: Sat Jan 13, 2007 3:48 am
Posts: 197
Location: Gouldsboro, PA
Now that kicks a**, What a machine that is..........

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 Post subject:
PostPosted: Wed Jul 04, 2007 11:13 pm 
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Joined: Fri Jul 15, 2005 2:34 pm
Posts: 6906
Location: Within 60 Miles of the Northern Anthracite Field
ah yes, although youre late. mike already sent me a video on my phone a few days ago when you first sparked it up. also, you forgot to mention the rectifiers you blew up getting it to run. from what i hear that was quite spectacular! :lol: almost as spectacular as when i once turned out mine motor into a welder.

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 Post subject:
PostPosted: Wed Jul 04, 2007 11:19 pm 
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Location: Central Ohio
Yes the rectifier almost forgot , we lost one of our 100 amp diodes in one of the banks.

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 Post subject:
PostPosted: Fri Jul 06, 2007 12:58 am 
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Joined: Mon Jun 20, 2005 11:33 pm
Posts: 3088
Location: Above the Sterling Hill Mine
Yes, I'd like to see this baby in action...


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 Post subject:
PostPosted: Fri Jul 06, 2007 7:11 am 
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Location: Central Ohio
We have the videos once the server is up & running again. Make sure you check them out.

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 Post subject:
PostPosted: Fri Jul 06, 2007 9:04 am 
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Joined: Mon Jun 20, 2005 11:33 pm
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Location: Above the Sterling Hill Mine
Didn't check out the vid's yet, but the pictures are awesome. Great job! Even Ms Pennsylvania took interest in the Jefferey Trolley polo locomotive..

Miner Greg


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 Post subject:
PostPosted: Fri Jul 13, 2007 8:59 pm 
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Joined: Fri Jul 15, 2005 2:34 pm
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Location: Within 60 Miles of the Northern Anthracite Field
yo, just watched the vids. pretty sweet! i like the last one chasing the cutting teeth, that was great :lol:

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 Post subject:
PostPosted: Sat Jul 14, 2007 12:22 am 
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Location: Central Ohio
So how many teeth were on the 6 foot cutting bar?

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 Post subject:
PostPosted: Sat Jul 14, 2007 8:37 am 
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Location: Within 60 Miles of the Northern Anthracite Field
im going to put a guess at maybe 50-60

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 Post subject:
PostPosted: Tue Jul 17, 2007 9:31 am 
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Joined: Fri Jul 08, 2005 12:41 pm
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Location: Hard coal region, PA
What do you get if you win the guessing? :wink:

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