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Our 7 1⁄2 - inch gauge live steam USRA 0-6-0 Switch Engine is offered as a completed
ready-to-run locomotive chassis-on-air.
We
fully machine, paint or plate and assemble all of the castings and parts required to build a completed, working 0-6-0 locomotive "chassis-on-air."
Benefits of our chassis-on-air offering:
- Ready-to-run chassis-on-air: Saves you
time and mistakes, guarantees results
Precision CNC machined: Greater accuracy, better finishes, smoother running
Hardened and ground parts: Less wear, longer life expectancy
Powder coated:
Long-term protection and durability
Fully assembled:
Our experience saves you time and guesswork
Tested and adjusted: We make it run right before we deliver it
Ready for custom finishing
by the hobbyist: Add your own finishing detail
The completed chassis includes the following assemblies:
"Those
chassis are beautiful...You have the right idea...I love the doing the finish work,
but hate the tedious machining involved in building the chassis."
- T.S., Lufkin, Texas
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USRA 0-6-0 Switch Engine Chassis-on-air Specifications
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Drivers: 13 Spoke x 7 1/4" Diameter
Cylinder Bore:
2.250" Diameter
Cylinder Stroke: 3.500"
Piston Valves: 1.250" Diameter
Overall
Length of Frame & Pilot Beam: 49 7/8"
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USRA 0-6-0 Optional Smoke Box and Boiler Specifications
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Smoke Box: 9 1/2" Diameter
Boiler:
9" Nominal Diameter (9 5/8" actual OD) x 31 Tubes
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USRA 0-6-0 Switch Engine Chassis-on-air Quality Features
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Castings: Top Quality Castings from Top
Quality Commercial Foundries
Accuracy: Precision CNC Machine Work
Axles: Hardened
and Ground
Axle Bearings: Needle Roller Bearings
Crank Pins: Hardened and Ground
Side
Rod Bearings: Needle Roller Bearings
Main Rod Bearings: Needle Roller Bearings
Cylinder
Block: One Piece Casting, Fully Cored Including All Intake & Exhaust Passages, Very Free Breathing
Baker
Valve Gear Frame: Silicon Bronze Casting
Baker Valve Gear Internals: Stainless Steel Lost Wax
Investment Castings
Spring Rigging: Fully Equalized
Brake Rigging: Fully Equalized
Paint: Powder Coated
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What is a "chassis-on-air"?
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This stage of locomotive completion is what we call a chassis-on-air.
The fully machined, painted, plated and assembled chassis-on-air can actually be "run" for testing or demonstration purposes
by supplying compressed air to the cylinders.
Testing the completed chassis by running it on compressed air confirms
that all of the machine work and assembly of the locomotive chassis has been performed correctly before you move on to the
next phase of construction.
And more...
In addition to providing you with a chassis on air, we can also
provide you with a completed and pressure tested boiler.
We can then put you in contact with a number of other qualified
suppliers who specialize in a variety of additional items needed to complete your locomotive.
Their
offerings include everything from injectors, check valves, safety valves, water gauges, pressure gauges, pumps, hand rail
components, etc., to completed tender tanks and even ready-to-run tenders.
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Our chassis-on-air approach gets your 0-6-0 building project going fast and helps get
you on the track sooner:
- We realize that many first time builders get bogged down with the tedious precision machine work
required to build their locomotive chassis. Consequently, we offer a solution that gives builders a "running" head start on
their locomotive building project.
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Our 0-6-0 Switch Engine is designed to put a high quality, CNC-machined
chassis within the reach of hobbyists without requiring them to have either extensive machining experience or as elaborately
equipped machine shops.
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This approach allows you to custom finish and detail the rest of the locomotive
and tender according to the railroad that you want to model after and your own desires.
| A completed loco using our 0-6-0 chassis-on-air |
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| 0-6-0 completed by builder Steve Gnas. Click to enlarge |
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Roger Goldmann * 413 Morrison Lane. * Santa Paula, CA * 93060 * USA
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