Author Topic: New Nn3 power truck from Showcase Miniatures  (Read 6343 times)

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randgust

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Re: New Nn3 power truck from Showcase Miniatures
« Reply #15 on: January 27, 2025, 04:28:24 PM »
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I know that SN 122 on the M-C "Pino Grande" Shay was out there, I had the Pino Grande book as a kid, still do.  But honestly, that's one ugly little Shay.  But look at the as-built, upper left:

https://www.shaylocomotives.com/data/factsheet/sn-122.htm

That's cute.  It looks like Tom did the M-C version and then stepped back a version on the same boiler, different tender and cab.  Tender is too high to clear the  drive but nobody really cares, still looks right.   

I had a chance to study the Climax A313 boiler from the inside out, and man, those  old T-boiler designs.... what were they thinking.  Shay book says they were 'prone to explosions'.   No kidding.....  It's a wonder any survived, but a couple have.   On the A313 the staybolt heads in the firebox are almost completely eroded away.

Chris333

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Re: New Nn3 power truck from Showcase Miniatures
« Reply #16 on: January 27, 2025, 06:13:18 PM »
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That is the same photo in my link, just uncropped.

NWSL did it in original form as well (in HO):
https://www.worthpoint.com/worthopedia/nwsl-13-ton-n-122-mich-cal-shay-ho-456259961
https://www.brasstrains.com/Classic/Product/Detail/072319/HO-Brass-Model-NWSL-Mich-Cal-2-Shay-13-Ton-Logging-Loco-Unpainted

March 1979 Gazette has Mich-Cal drawings
Nov 1978 has the original drawings
Jan 1979 has it has a coal burner (fantasy)
Nov 1988 a similar T boiler shay. (coal)


randgust

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Re: New Nn3 power truck from Showcase Miniatures
« Reply #17 on: February 17, 2025, 09:59:28 AM »
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I put this up on the Weekend thread, but I'll also stick it in here.

With the addition of the Rokuhan SA-001 front pickup truck to get me 4x4 electrical pickup in the front, the Showcase bitty Nn3 Shay turned out to be just quite the winner.  And getting wires routed up there from the drive truck in the tank let me add directional headlights as well.  The 470-ohm resistor for the front headlight is jammed diagonally inside the frame behind the cylinders, the rear one is up inside the cab roof.

This really runs well.  I was so impressed that I ordered the standard gauge one too, I think I can pull the same stunt with a Kato 11-105 truck but we will see how that goes.   But this runs so well it got me convinced to finish the McCabe Nn3 Ttrak module, that's full speed ahead now.



Link:  http://www.randgust.com/Nn3shay21.JPG