Doorstop four axle Diesels

[bob turner]

Yes, I often use the washers when the insulation doesn't protrude enough. Not wild about lost wax bolsters, but Bob Smith in the end was making everything lost wax. The bolster has minimum strength right at the kingpin.

When a doorstop sideframe starts to splay (due to a weak bolster) the top of the insulated wheel will hit the sideframe. I have to run at night with the lights off to spot it.

[sarge]

Yep, and that weakness just gets exacerbated by that great American propensity to ballast them up with tens of pounds of weight those bolsters were never designed to support.

Puts me in mind of the old O scale saw about California deciding lead was a health hazard so they very cleverly got rid of it by exporting it through Jerry White's workshop. GRIN!

[bob turner]

It Runs!



Jim may post a video to prove it.

[sarge]

Huzzah!

What sort of drive in it, or did you already say and I missed it?

[R.K. Maroon]

The Baldwin FM H20-44 that Bob modified did not come with trucks or a drive, and I don't have any spares of that particular setup, which features a vertical motor driving one axle through a worm and a metal chain to the second axle:


https://dl.dropbox.com/scl/fi/zkmc9dyuw0gjg1dd45ity/Baldwin-PRR-FM-H20-44-06.JPG?rlkey=kqlok4itu248rp34o81fvt928


https://dl.dropbox.com/scl/fi/b60visdhv3a4no7cs8kqm/Baldwin-PRR-FM-H20-44-04.JPG?rlkey=ynhicozjoap3zc3q2ozu0qon4

I had a set of mystery sideframes (with bolsters) that would work with an All Nation drive setup. Here is the underside before the truck-to-truck driveshaft was installed:


https://dl.dropbox.com/scl/fi/rivy4d9afjeqgdze19ki7/Baldwin-FM-H20-44-Chassis-04.jpg?rlkey=r3xnfozq3f1956giwt2i6wcpf

Notice the unit has a Delrin chain drive tower. I found out later that both sprockets were split. I have the parts and arbor-press setup to change them but, in the interest of time, I simply substituted a geared tower. I added an NOS CLW open-frame motor and driveshafts and gave it a test run:


https://dl.dropbox.com/scl/fi/l1gliyw6fe0x4n3la8xm4/Chassis-Test-Run.jpg?rlkey=h9f0hk04q3b2fqpfx1v481p6a

The motor is all the way to the front, as the hood is bumped out there and the motor didn't fit under the hood otherwise. I wasn't sure the Toyota vacuum hose connection would work, but it seems OK so far. Video later.

Jim

[R.K. Maroon]

Here is a brief video of the customized Baldwin Models FM H20-44 test runs:

https://dl.dropbox.com/scl/fi/zkeoky26krnv73oxthzg4/Modified-Baldwin-FM-H20-44-Test-Runs.mp4?rlkey=cjmstzmru2fvfut2aowy04wjy

If that doesn't work, try this one:

https://www.dropbox.com/scl/fi/zkeoky26krnv73oxthzg4/Modified-Baldwin-FM-H20-44-Test-Runs.mp4?rlkey=cjmstzmru2fvfut2aowy04wjy&dl=0

The model is running without its fuel tank, as the channel through the tank is not wide enough for the driveshaft between the trucks. The tank, which is a solid casting, is on the mill right now. It takes a while to hog-out a bronze casting with a benchtop mill.

Jim

[sleepmac]

Jim, runs nice!

Dan Weinhold

[bob turner]

Well, bump from nine months ago!

I just re-finished one of my doorstop FT-A units - I wanted orange. Tried Krylon Pumpkin, but it ate whatever I had sprayed on before, so a trip to the bead blaster was in order. The regulator is now inaccessible, so it took about four seconds at 125 psi and I was ready for primer. White, then Krylon, and it looked washed out.

My hangar neighbor had some Rustoleum 2x orange. I think it is called "real orange" but not sure. I will be getting a can next time to Loew's, since Amazon only has it in six can batches. Perfect for Western Pacific, and probably really close for Great Northern. Not worth a photo yet, since I have a few blemishes and am still considering the two tone silver version, but I am kind of jazzed on finding a good looking orange. I think my pair of F3s are just a little too "red" for WP, but I won't be re-doing them for a while.

[Rufus T. Firefly]

My hangar neighbor had some Rustoleum 2x orange. I think it is called "real orange" but not sure.

There is a Rustoleum Burnt Sienna that is actually a decent orange. I have a can that's Matte finish that I have used on interurban cars. Some of the colors are either very hard to locate, or as you noted they come in 6 packs.

[SWrailroader]

Bob and Rufus,
Thank you for the spray can advice. Very useful info.
I have had good luck with Duplicolor lacquers from autoparts stores. The black and silver go on very well.
Rob

[bob turner]

Yeah - Duplicolor is the only common brand that remains usable long after first use - Rusto and Krylon seem to clog up beyond use at the one month point.

But this orange is stunning - a ringer for the WP Pumpkin. Worth a trip to Loew's.

[Rufus T. Firefly]

Rusto and Krylon seem to clog up beyond use at the one month point.

I don't seem to have that problem but rarely; perhaps it's a storage conditions variable?

Loew's is interesting but the nearest one to me is surprisingly distant; checking online to see if what you are looking for it actually in the store is useful. However, I have had excellent experiences with ordering and almost always free delivery.