Looking for a CF cab image - car side bolts, under cupola

[NW Mailing List]

Mike,

I built a styrene jig for a pair of AMB CFs, and used Grandt Line 5045 1"
NBWs.

Jim Laney

On Mon, Oct 31, 2022 at 3:19 AM NW Mailing List <nw-mailing-list at nwhs.org>
wrote:

> Does anyone have a high quality image of a CF car side, below the cupola,
> that they can share with me?   *I wish to learn the size of the nuts on
> the side wall, and if they are square or hex shaped.*
> *I know these pictures are models, but I am looking for
> prototype photos, so I sent to this list instead.*
>
> I am adding nut/bolt/washer castings to my Westside Model & AMB CF's. I
> created a 3D printed drilling jig, based on a very good side shot of a CF
> (see below). I am making one for AMB (the cupola length is 0.4mm longer on
> the AMB so the positioning tabs don't fit over the cupola.  I don't have
> any OMI models to try it on. I do have a Div Point, but I don't imagine
> anyone wants to drill into their DP model.
> Because the resin is somewhat soft, I expect this jig is probably good for
> about 2 cars.  If anyone is interested in one, send me a message (
> mrector333 @ gmail dot com ) .  They take 2 hours to print, but I can print
> about 10 at a time. It costs about $0.12 in resin to print.  I could scale
> up to O Scale, but you would need to send me a very precise measurement.
>
> [image: image.png]
>
> It took me less than 5 mins to drill both sides of this brass cab.  I
> tried a 0.6mm bit by hand, and it broke on the first hole. So I switched to
> the Dremel on lowest speed with a 0.7mm drill bit and it drilled easily.  I
> think I could have used a 0.6mm if I tried with the dremel first.  Someone
> already shamed me into buying brass parts, instead of plastic.  😉  (Thus
> my initial question.) If I'm going to buy some Precision Scale detail
> parts, I might as well buy the right style and size.  I have 5 more WSM and
> 3 more AMB models to drill.
> [image: image.png].
> Here's the back side. Keep in mind it is oriented upside down here. The
> two recesses on left and right are for the gutters, and the large recess on
> photo left is for the bathroom window.  The two positioning tabs fit over
> the roof and match the angle, and around the ends of the cupola.  The
> orange pieces are print supports that snap off after it prints.  someone
> better than me probably could have made this in 5 mins.  It took me 7
> prints to get everything just right. The last thing I did was to raise the
> holes slightly, as the two upper bolts are supposed to be just above the
> top of the side window frame. I drilled mine just a little low (bottom pic).
> [image: image.png]
>
> [image: image.png]
>
> Mike Rector
>
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