Showing posts with label 70-ton. Show all posts
Showing posts with label 70-ton. Show all posts

Thursday, March 26, 2026

70-ton National Type B and B-1 Trucks from Plate C

Plate C National Malleable Type B 70-ton Truck

Plate C Model Prototypes is set to release 70-ton versions of the National Malleable Type B and B-1 trucks in HO scale. This is (to my knowledge) the first time these have been available in HO and perhaps, any scale. The fact that we will have both of these available is fantastic. The visual differences in HO are quite small. The B-1 incorporated updated trunnions that modified the arrangement (and appearance) of the spring package. The easiest way to discern the Type B from the Type B-1 is that the spring in the Type B "filled" the area below the bolster while on the B-1 you could "see" around the front spring and the B-1 also had a raised area around the small circles at the bottom of the sideframe casting, presumably for added strength. Again, subtle, but noticeable. IYKYK. These will be available from 3D Central

Plate C National Malleable Type B-1 70-ton Truck (directly above and below)

National Malleable Type B 70-ton trucks, known applications

RoadSeries StartSeries EndClassTypeNotes
ACL92009299U-7Covered HopperPhosphate (to SCL 739200-739299 and 77-ton capy)
ACY515539Covered Hopperequipped with Timken roller bearings
ATSF170925170974GA-55GondolaAAR 65'
ATSF8620086499GA-56HopperHart Ballast
ATSF8650086799GA-59HopperHart Ballast
ATSF7700077399GA-64HopperHart Ballast
ATSF9114291191FT-UFlat60'
DMIR49504959Covered Hopper
DOWX38123CTank
CB&Q180000180099HC-1Covered Hopper
C&IM73507449GondolaOffset sides
CN118000118999Hopper
CN142050142749Gondola48'
PRRG26Gondola65'
PRRG26AGondola65'
PRR344815345182G27Gondola
PRR342600343549G28Gondola
PRR357854358653G29Gondola
PRRsee linksee linkG30GondolaEmergency; http://prr.railfan.net/freight/classpage.html?class=G30
PRR254451254550H30Covered Hopperslightly different sideframe
PRR254951255026H30Covered Hopper


Santa Fe GA-55 AAR 65'6" mill gondola (Athearn)


Canadian National 48-foot mill gondola (Westerfield)


PRR H30 covered hopper; note that the left truck has the "early" teardrop shaped openings in the sideframe. It was not uncommon for cars and their trucks to become "separated" during shoppings of like cars. There are many examples of PFE reefers with two different prototypes of trucks under the same car. (Bowser, Funaro & Camerlengo, Rail Shop)


PRR G26 65'6" mill gondola (E&B Valley/Eastern Car Works - accuracy issues!)


Dow Chemical insulated tank car (no known kit although a Resin Car Works kit could likely be modified)


PRR G28 52'6" mill gondola (Speedwitch, F&C)

National Malleable Type B-1 70-ton trucks, known applications

RoadSeries StartSeries EndClassTypeNotes
ATSF169700169899GA-63GondolaEmergency
CB&Q180200180249HC-1Covered Hopper
D&TS20282077Covered Hopper
Erie1115011249GondolaGreenville design
NKP9100091049Covered Hopper
NSS1300Gondola
PRRsee linksee linkG30GondolaEmergency; http://prr.railfan.net/freight/classpage.html?class=G30
T&NO42004449Hopper
WP65016600GondolaGreenville design
CB&Q221500   221749HopperBallast; Emergency


Santa Fe GA-63 Emergency mill gondola (Tichy)


Burlington Hart ballast hopper (no known models)


Western Pacific Greenville-design 52'6" mill gondola (Proto 2000/Walthers, Sunshine Models)

All additions and edits are welcome. Please submitvia the comment form below!

PS - I apologize again for the watermarks in the images but I am tired of the pirates

Thursday, May 25, 2023

Finishing a Bill Welch Model - Reading USRA-design 70-ton Class GML Gondola


Much of Bill's model work that he was engaged in just prior to his death was lost due to the condition of his apartment after he was admitted to the hospital. I have shared the details with a few people, but have not published any sort of explanation. There was a plumbing issue that flooded Bill's apartment between the time he was admitted to the hospital and his death. Using your imagination, one can easily conclude what a wet apartment from backwashed toilet water in central Florida looked like. It was effectively a hazardous area. Much of what was in the apartment was unsalvageable. However, a few in progress models were tossed in boxes. Many were damaged as packing them carefully was not feasible. This model is one of the ones that was salvaged.

There were no instructions, parts (including the simulated wood floor casting), decals, trucks, etc. Fortunately, I have one of these kits in my stash and could use it to help complete the model.

Additional details include:

  • Yarmouth Model Works Carmer cut levers
  • Perfect hand brake wheel (Dayton Malleable Iron Co.) from alternate Westerfield Reading gon kit (which includes an extra, fortuitously!)
  • Custom decals from my artwork, printed by PDC
  • Plate C Taylor trucks (they are 50-ton whereas the prototype used 70-ton, they they are a unique design and 70-ton versions are not available; more on these trucks below)
  • Lead sheet and styrene
  • Stripwood (1x8) for the floor
  • Weathered predominantly with artists' oils plus limited powders from PanPastel and Bragdon
The model was mostly completed. Prior to painting, I added some missing details as well as a couple other items. I began by adding lead sheet at the ends of the floor and some styrene in the center. The lead sheet is quite thin, ~0.020", so I used 0.020" sheet styrene in the center section. Bill had already added lead sheet between the structural members on the bottom of the car so the additional lead made the car sufficiently heavy to run without a load. I added small amounts of strip styrene and rivets to simulate the mounting of the sill steps. 

Images of the Plate C Taylor trucks, above and below


A note is in order about the Plate C trucks. They are quite well detailed, but require some care in handling. They come assembled and should be handled that way. I removed the wheelsets and painted them in a wheel mask jig. That worked well, but in reinserting the wheelsets into the truck sideframes, I broke one. The truck sideframes are quite brittle. It would have been better to mask the wheel treads and leave the wheelsets in the sideframes. I did manage to repair the sideframe as the break was clean and I braced it as well. I used Barge cement to glue it back together and then "framed" the break with styrene attached with Barge cement secured additionally with ACC.

After all the detailing was completed, I blasted the metal/wire parts, trucks, and wheelsets with 220 grit aluminum oxide. This adds some roughness to improve paint adhesion. I primed the model using Badger Stynylrez primer. I then painted all surfaces with a mix of Tamiya flat black (~90%) and XF-66 light grey (~10%) using an airbrush. This was followed by a coat of Future floor polish again applied with an airbrush to create a gloss surface for the decals. 







I applied all decals except the brake test and repack stencils. In addition, I added a few chalkmarks, too. These were sealed first with Future and then Tamiya XF-86 clear flat, both applied with an airbrush. I began weathering by applying a rust color that is a mix of gold ochre and terra rosa artists's oils. The technique involved using mineral spirits (odorless) to allow the color to "bleed" into various areas, including along the structural members on the sides, as well as the end sills. I also added less diluted rust to many areas, including several of the interior stake pockets and some "pits" (imperfections) in the car body casting to simulate rust. I sealed all of this with another flat coat followed by a thorough application of a light grey from a blend of white and Payne's grey artists' oils. This was applied to all surfaces, but more was added along the side sill and allowed to "travel" up the sides and structural members through capillary action. I again sealed this with a clear flat coat. I followed with another similar application, except this time with raw umber artists' oil, followed again with clear flat. 



Since the floor casting was missing, I decided to add strip basswood to simulate the floorboards. I used HO scale 1x8; I don't know the dimensions of the prototype's boards, but I wanted them to be as thin as possible since I added lead and the width of 8" is dimensionally close to 7+ inches, a common board width on gons and flat cars. I secured the boards using a 50/50 mix of Barge cement and MEK. I began at the center of the car and added boards, working from the center to the ends. Once in place, I applied a basic wash to the boards of diluted raw umber artists' oils thinned with mineral spirits. I sealed everything with a flat coat before proceeding.



Next, I highlighted several of the boards with raw umber and Payne's grey artists' oil washes of various strength to create subtle differences in the boards, followed by a clear flat coat. I followed with some judicious applications of PanPastels and Bragdon's powders. The PanPastels (Payne's grey) were applied to the floor boards as well as to slightly darken the chalkmarks. I also added Payne's grey and raw umber to the truck sideframes, the wheelsets, and the couplers. The Bragdon's powders were added to the interior (not the boards) - grimy grey - and the faces of the wheelsets - soot. Everything was again sealed with a coat of Tamiya flat.



I masked the area where the repack and brake test stencils would be added and airbrushed them with the same Tamiya black-grey mixture, followed by a coat of Future. I applied several more chalkmarks, as well as the reweigh and brake test stencils. These were sealed with Future followed by Tamiya clear flat. Finally, I applied a very, very dilute wash of white artists' oil to tone down and blend everything, followed by one last clear flat coat.  I added the trucks and couplers and Reading GML 24163 was ready for service. I hope that Bill "the reluctant weatherer "extreme modeler" Welch would approve!




Friday, March 3, 2023

Flat Car Friday - New York Central 70-ton AAR Flat Car

 


While this image is far from great, it does display two things that I'd like to see more: loads of crates and NYC 70-ton AAR flats. Crates are a fairly simple load to create from styrene stock or the old Sunshine export crates load, if you have one. They are easy to customize by creating your own lettering and printing decals in black stenciling or having them printed by a third party, such as PDC. They are also simple to secure using Chartpack or similar tape to simulate the banding.

I also rarely see models of the NYC 70-ton AAR flat cars in HO. It cannot be a lack of offerings since Intermountain has produced quite nice replicas and Sunshine also offered kits that still appear on the secondary market and do not fetch exorbitant Sunshine prices since there is a good styrene alternative. Protowest also briefly offered resin kits for the 70-ton AAR flats, although they are a bit crude, in my opinion. Fine decals are also available from National Scale Car. With a fleet of 1,000 cars, they are significant flat car prototypes that warrant inclusion in just about any model fleet.

I plan to take my own musings to heart and complete one in the near future.

Sunday, November 3, 2019

Moloco Barber 70-ton S-2-A trucks

Santa Fe Ft-V Emergency Flat Car ATSF 91500 used Barber S-2-A 70-ton plain bearing trucks
Moloco Trains recently released 70-ton Barber trucks in both plain bearing S-2-A as well as plain and roller bearing S-2-C versions. As I type this, the 70-ton S-2-A version in narrow wheel tread width are out of stock. I hope they will run more. I ordered enough pour moi, but they could be useful to others.

Closeup of the truck on ATSF 91500
The truck is beautifully tooled and they rolled quite well right out of the bag. They include brake shoes and are up to the standards set by Tahoe Model Works. I do have one criticism. The part where the bolster sits in the sideframe is quite fragile and many of the 29 pairs that I received have damage of varying degrees, with some being unsalvageable.

The Moloco Trains Barber S-2-A 70-ton plain bearing truck
There was a sister truck to this one with a vertical web in the center of the bolster that would make an excellent follow-on companion to these, should Moloco be so inclined. They are to be praised for producing such a beautiful truck.

I am in the process of compiling a list of prototypes that used these and will post at a later date.