White Natural Versatile Plastic
7mm - L&YR Class 28 Mogul Experiment - 0 Chassis
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Product Description
This is a 7mm scale Chassis for the Lancashire and Yorkshire Railway (L&YR) Class 28 Mogul Experiment Locomotive.
Note: This is a fixed axle chassis. The dummy hornblocks have 'etched' lines cut into them to aid a saw should you wish to remove these and add real brass sprung hornblocks in their place. If using a FUD chassis the chassis will be weak until the replacement hornblocks are properly installed. Chassis more readily set up for springing are being worked on as a future development.
CHASSIS INSTRUCTIONS: The chassis is designed fixed but cut outs above the axles holes and 'half etched' vertical lines are cut out to guide your saw blade should you wish to add fully sprung brass Horn-blocks from another company. A Reamer or Taper Reamer may need to be rotated gently by finger pressure to get the best working clearance for the axles.
You will also need some 5' 6" wheels for the Mogul Experiment.
To fit the chassis to the body the rear simply slots in at an angle. The front is fixed via a screw or bolt that taps easily by simply screwing it in under pressure. A nut can be glued in place inside the Smoke-Box Saddle if desired. For the Mogul Experiment the Pony Truck swivels on the same pivot as the fixing hole so when the Chassis to Body retaining bolt is in position, as long as it isn't forced tight the Pony turns freely. Several Pony Wheel sizes can be used depending upon how far up you screw the retaining bolt and brass bearings can also be added for an optional consideration.
The Brake Rodding cn be made by soldering brass rod in position relative to the rake pads and wheels. Suitable coupling rods cannot be made on Shapeways sadly due to them foulding the bounding box parameters. In other words they are too big for metal prints so they will need to be sources elsewhere or scratch built.
Wheels, Axles, Crank Pins, Motor, Gearbox and Brake Pipes are left to your preference and alternative sourcing also.
General note: Once the chassis is built and working you may need to file/shave a small amount of material from under loco body for the coupling rods due to the running plate needing to be printed thicker than a scale reality. On some models sometimes the inside edge of the splahsers need a small amount shaving away too. A few passes with a brass brush in a mini drill makes this a 2 second job though.
Note: This is a fixed axle chassis. The dummy hornblocks have 'etched' lines cut into them to aid a saw should you wish to remove these and add real brass sprung hornblocks in their place. If using a FUD chassis the chassis will be weak until the replacement hornblocks are properly installed. Chassis more readily set up for springing are being worked on as a future development.
CHASSIS INSTRUCTIONS: The chassis is designed fixed but cut outs above the axles holes and 'half etched' vertical lines are cut out to guide your saw blade should you wish to add fully sprung brass Horn-blocks from another company. A Reamer or Taper Reamer may need to be rotated gently by finger pressure to get the best working clearance for the axles.
You will also need some 5' 6" wheels for the Mogul Experiment.
To fit the chassis to the body the rear simply slots in at an angle. The front is fixed via a screw or bolt that taps easily by simply screwing it in under pressure. A nut can be glued in place inside the Smoke-Box Saddle if desired. For the Mogul Experiment the Pony Truck swivels on the same pivot as the fixing hole so when the Chassis to Body retaining bolt is in position, as long as it isn't forced tight the Pony turns freely. Several Pony Wheel sizes can be used depending upon how far up you screw the retaining bolt and brass bearings can also be added for an optional consideration.
The Brake Rodding cn be made by soldering brass rod in position relative to the rake pads and wheels. Suitable coupling rods cannot be made on Shapeways sadly due to them foulding the bounding box parameters. In other words they are too big for metal prints so they will need to be sources elsewhere or scratch built.
Wheels, Axles, Crank Pins, Motor, Gearbox and Brake Pipes are left to your preference and alternative sourcing also.
General note: Once the chassis is built and working you may need to file/shave a small amount of material from under loco body for the coupling rods due to the running plate needing to be printed thicker than a scale reality. On some models sometimes the inside edge of the splahsers need a small amount shaving away too. A few passes with a brass brush in a mini drill makes this a 2 second job though.
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7mm - L&YR Class 28 Mogul Experiment - 0 Chassis
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