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 Posted - May 02 2010 : 11:47:20 PM
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THIS WAS IN ONE OF THE TRAIN TUBS I PICKED UP - APPEARS TO BE BRAND NEW UN USED -DEFINITLY NOT USEABLE - MOTOR RUNS FINE - THIS IS SEVERE ZINC ROT / PEST. iT EVEN CRACKED THE SHELL ON LEFT FRONT STEP/PILOT AREA FROM THE STRESS FROM BOWING. THIS IS 70'S BACHMANN -SOME TYCOS HAVE HAD ZINC PEST - BUT I HAVE NEVER SEEN A TYCO BOW UP -THEY USUALLY CRUMBLED - THIS IS CAUSED FROM MOLD NOT BEING CLEANED PROPERLY DURING CASTING. BAD QUALITY CONTROL
FUEL TANK
SEVERE ZINC PEST / ROT
BOW- BOW- BOW- YOUR TRAIN -TIL IT BREAKS FROM STRAIN
STRESS WAS SO SEVERE IT POPPED THE REAR TRUCK COMPLETELY FROM CHASSIS
THE FUEL TANKS SCREW MOLD SHAFT WAS SNAPPED OFF FROM STRESS OF THE BOWING OF FRAME
LEFT SIDE VIEW - ALL OTHER PICS ABOVE WERE RIGHT SIDE
STRESS EVEN BENT THE WEIGHT UPWARD
THE SEVERE STRESS EVEN CRACKED THE SHELL ON LEFT SIDE AT STEPS AND HOOD/PILOT AREA
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 Posted - May 03 2010 : 05:14:26 AM
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That's one of the early Bachmanns with all wheel drive and pickup that I remember coming out around 1972 or so, and I remember the repair guy my dad & I bought our trains to having one of these brand new and raving about it. There was a similar drive for F-Units like the AHM FT, and I've seen some of those on eBay with shells completely exploded from the frame rot. I have one of the F-Units chassis with absolutely no rot, so QC was spotty.
Thanks for the tutorial. I haven't seen one of the original Autotrains in years.
The Tyco Depot
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 Posted - May 03 2010 : 5:39:30 PM
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The Tyco Depot
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Posted - May 03 2010 : 5:39:47 PM
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YIKES!! O_o I've never seen anything like that before. You're not looking to fix it are you? I have a spare frame identical to the one pictured (aside from the warping ).
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Posted - May 03 2010 : 5:49:28 PM
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| DaCheeze - not looking to fix - a member has already spoken for the parts! I too have never seen anything like this before not even on a Tyco!!
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Helm
Little Six
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Posted - May 03 2010 : 9:15:30 PM
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Zinc Pest is caused by lead impurites mixed in with the zinc alloys (Zamac for zinc magnesium alloys). I have some "brand new", in the box Varney stuff - an 0-4-0 shifter and a couple cars with Zamac weights that have the same thing. The 0-4-0 frame is a banana and the weights expanded and cracked the car bodies. The alloy recrystalizes and expands and eventually crumbles.
What usually happened is somebody got a "good" price on the Zamac (because it wasn't of good quality. There was a lot of this stuff in the 50s-60s when hard type printing was on the way out. A lot of companies (even Maerklin) bought lin-o-type metal when people stopped using it. It has lead mixed in to make it easy to melt and cast the type. It looks just like pure Zamac, but since you melt down the type from yesterday's newspaper and recast it for today's, life was never an issue with lin-o-type metal.
There's no cure.
Sorry for long explanation - I'm an engineer/metalurgist
Helm
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Posted - May 05 2010 : 6:30:28 PM
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HELM - Thank You for your input - Enjoyed reading your engineering metalurgist post 
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Posted - September 12 2010 : 11:13:04 AM
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| Wow, never seen that before
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Posted - September 12 2010 : 5:19:31 PM
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I has this shell now Plus the cars & the Bachmann motor I was gonna use doesn't fit so if anyone has one let me know
Thank you Brianstyco
Edited by - microbusss on September 12 2010 5:21:14 PM
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Posted - October 03 2010 : 12:30:00 PM
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| I have the same problem with a Bachmann Metroliner. Bachmann said they would send me a E60CP for $40 if I returned the Metroliner.
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 Posted - October 19 2011 : 9:40:56 PM
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Last year I saw this post before I joined. So now I show my response.
Boy, did I not expect that! My Modeling friend had a U boat from Bachmann, and The same thing happened. Just not as bad.
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Posted - October 19 2011 : 11:02:31 PM
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Well did find a chassis for this loco & now I needs to paint the trucks purple so its like this one But to be honest I think it looks good in black Will get a pic of this loco soon
Oh does anyone have a rear railing for this loco?
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Posted - October 20 2011 : 07:56:02 AM
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I Think the GP40 fits.
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Posted - October 20 2011 : 10:25:05 PM
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Ok here is mine with another chassis  I think it looks good black & this chassis is only front drive not AWD 
This is the same loco Brain sold me & thanks, man
Edited by - microbusss on October 20 2011 10:44:07 PM
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Posted - October 21 2011 : 12:05:50 AM
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You could dropthat shell onto an old Athearn B-B uboat frame. That would give you all wheel drive and pick-up. Just make sure you use the current Athearn motor or a flat-sided can-type motor.
I have done this quick kitbash several times. The Bachmann shell looks better to my eyes then the Athearn.
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