Iron Miners
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PostPosted: Sun Feb 22, 2009 7:44 pm 
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Vukcan didn't begin building electric mine locomotives until approx 1915. This unit predates that era.

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PostPosted: Wed Feb 25, 2009 2:47 pm 
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That locomotive is cool but why use side rods. when every thing els is geared?


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PostPosted: Wed Feb 25, 2009 6:22 pm 
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LOOK WHO IS BACK ON :shock: :shock: :shock:

OK that is a simple one. Take a good look at. That thing is on 18" gauge track probably. No room for an axle mounted traction motor since it has outside mounted wheels plus take into account for the cast frame.

You can not have gearing going directly from the axle to a ridgid mount traction motor as the spring in the axle goes up & down the gears will seperate. The only other way around that is to have a chain drive that gives as the axle moves from a ridgid mount motor. I also highly doubt those motors are original to that unit. It may have had a high horsepower single motor. Those side rods have had to lok really wild looking at the crosshead mechanism.

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PostPosted: Thu Feb 26, 2009 10:28 am 
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hey thats a good point, pete. the three rotational axes do not lie in the same horizontal plane-the intermediate shaft lies above the centerline of the wheel axles. if you think about it, solid siderods would never work-the mechanism would bind. so the so the siderods have to have something interesting going on mechanically, like a vertical slot, to allow the crankpin's vertical motion to differ from that of the two wheel crankpins.

now i saw an actual picture of the complete locomotive, in the museum at this site, with siderods on the locomotive, so i know it had siderods. i didn't think about this issue at the time and look the picture close enough to see what the siderods looked like-i should have taken a picture of the picture.

this will be interesting to find out. i can't imagine why they would have done something so complex...

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PostPosted: Thu Feb 26, 2009 2:35 pm 
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I'm thinking there was a main rod to one axle and a side rod to both axles.

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PostPosted: Thu Feb 26, 2009 3:04 pm 
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I don't think the crank pins are long enough to do that

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PostPosted: Thu Feb 26, 2009 4:10 pm 
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It is definitely a strange beast. Is it possible that there was a crank pin on the side rod? Or can it be determined if the counter shaft pin and the wheel pins align?

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PostPosted: Thu Feb 26, 2009 6:20 pm 
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I think john is right. the side rod must have had a vertical slot in it.


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PostPosted: Thu Feb 26, 2009 6:32 pm 
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Exactly. I have a picture that was just emailed to me from a fellow miner on the forum from New Zealand of this unit as it was in operation in Colorado. I will post it soon but still difficult to see those rods.

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PostPosted: Thu Feb 26, 2009 8:56 pm 
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Location: WILKES-BARRE PA
Image


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PostPosted: Thu Feb 26, 2009 9:30 pm 
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nice eric, where is that?

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PostPosted: Thu Feb 26, 2009 9:32 pm 
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Not sure exactly but its somewhere down ny Hazleton...Schuykill area


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PostPosted: Sun Mar 01, 2009 8:48 pm 
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the third motor at Seldom Seen. not sure who manufactured it or where it came from. it is bigger (and heavier) than the other two. the 'truss' on either side of the motor work with the small wheels on the bottom of the battery box to make it easy to change battery boxes.

Image

Image

Image

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PostPosted: Sun Mar 01, 2009 9:19 pm 
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Derailment at the Seldom Seen.... cant imagine who did this...

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Image :shock: :roll:


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PostPosted: Sun Mar 01, 2009 10:04 pm 
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Here is the historic image of the mystery side ron mine locomotive. This was sent to me via email from Chris in New Zealand. Thanks Chris

Image
Argo Mills Idaho Springs, Colorado

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