What diameter?

I'll get a caliper in it but Nimco only made two sizes...one for large for road engines and one small for switchers.

On Mon, Dec 16, 2024, 2:29?AM Robert Carter via <splsaab=[email protected]> wrote:

What diameter?

Hey

May just have to plug it with a temporary brass wheel until a spoked wheel is found or fabricated most likely?

I would be inclined to get a brass plug cut to diameter and then hand drilling out the spaces and then hand filing to finished.

Better than nothing

Better than letting the engine sit on a shelf forever?

I think I could do a pretty respectable fabrication?

S scale man

Roger

On Dec 16, 2024, at 8:34?PM, Mike Swederska via <MikeSscale=[email protected]> wrote:

?

Austin,

I just went through all my driver inventory looking for that 1.25” diameter and came up short. That is a very large driver. Sorry I couldn’t help.

--

Mike Swederska
Meramec Valley Lines
Modeling Mopac equipment in 3/16

Don't let perfection get in the way of good enough! Keep model railroading fun!

Austin,

I just went through all my driver inventory looking for that 1.25” diameter and came up short. That is a very large driver. Sorry I couldn’t help.

--

Mike Swederska
Meramec Valley Lines
Modeling Mopac equipment in 3/16

Don't let perfection get in the way of good enough! Keep model railroading fun!

> From: Austin Birkey
> Date: Mon, 16 Dec 2024 22:47:33 PST
>
> Thanks for looking.? Yes they are surprising large.? But the size does filling the extra space on an AF axle spacing.

Here is a recent 4-minute YouTube video that features an AF Atlantic with Nimco wheels, two Exacta cars, and a view of related pages from the 1949 Nimco catalog:

<>

The low 1949 prices are deceiving. Multiply them by 13 to determine today’s equivalent.

Plus, those modelers interested in old catalogs and information, including a C-D ad from the April 1939 issue of Model Craftsman (before it became RMC), should check out the following site:

<>
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Bill Roberts

Not sure exactly how many driver sizes NIMCO made, but besides the 1.25"/80" they also made a 1.125"/72" driver. I have attached pics them side by side. Unfortunately, I don't have any extra 80" drivers for you. I have quite a few 72" but that won't help you.

Two other important things to note:

1) you not only need to match the driver diameter, but also if it is insulated or non-insulated. The insulation is paper between the tire and driver center. In my pictures, the 72" is insulated and the 80" is not.

2) NIMCO made heavy and light counterweights. This will only affect appearance not affect operation. If you compare your drivers to my 80" looks like you have the smaller counter weights. The counterweights are a separate casting, so if you still have the one off the broken wheel you can swap it onto the replacement driver if it is different or missing.

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-Robert Carter

For reference, here is a Flyer chassis with 80" NIMCOs (the center driver is blind)

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-Robert Carter