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HO Brake Regulator/Slack Adjuster Kit 3d printed Our HO scale Royal Type F Brake Regulator fitted beneath a Funaro and Camerlengo boxcar model.

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Our HO scale Royal Type F Brake Regulator fitted beneath a Funaro and Camerlengo boxcar model.
HO Brake Regulator/Slack Adjuster Kit 3d printed Our HO scale Royal Type F Brake Regulator fitted beneath a Funaro and Camerlengo boxcar model.
HO Brake Regulator/Slack Adjuster Kit 3d printed Our HO scale Royal Type F Brake Regulator fitted beneath a Funaro and Camerlengo boxcar model.

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Not a Photo

HO Brake Regulator/Slack Adjuster Kit 3d printed Another view of our slack adjuster fitted to an HO scale boxcar.
HO Brake Regulator/Slack Adjuster Kit 3d printed Another view of our slack adjuster fitted to an HO scale boxcar.

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HO Brake Regulator/Slack Adjuster Kit 3d printed A view of our slack adjuster, middle right, integrated into a well-detailed HO scale brake rigging system.
HO Brake Regulator/Slack Adjuster Kit 3d printed A view of our slack adjuster, middle right, integrated into a well-detailed HO scale brake rigging system.

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HO Brake Regulator/Slack Adjuster Kit 3d printed Red-shaded areas represent sprues that must be removed.
HO Brake Regulator/Slack Adjuster Kit 3d printed Red-shaded areas represent sprues that must be removed.

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HO Brake Regulator/Slack Adjuster Kit 3d printed A view of a real-life Royal Brake Regulator as seen on a well-preserved boxcar in North Conway, New Hampshire.
HO Brake Regulator/Slack Adjuster Kit 3d printed A view of a real-life Royal Brake Regulator as seen on a well-preserved boxcar in North Conway, New Hampshire.

DIGITAL PREVIEW
Not a Photo

HO Brake Regulator/Slack Adjuster Kit 3d printed Another view of a slack adjuster as seen on a preserved boxcar.
HO Brake Regulator/Slack Adjuster Kit 3d printed Another view of a slack adjuster as seen on a preserved boxcar.

DIGITAL PREVIEW
Not a Photo

HO Brake Regulator/Slack Adjuster Kit 3d printed
HO Brake Regulator/Slack Adjuster Kit 3d printed

DIGITAL PREVIEW
Not a Photo

HO Brake Regulator/Slack Adjuster Kit

OVERVIEW
  • 3D printed in Frosted Extreme Detail: Matte translucent plastic that showcases incredibly fine and intricate details.
  • Be the first to try. Learn more
  • This product is intended for mature audiences.
$9.00
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Product Description

PROTOTYPE AND MODEL INFO

This is an HO scale model of a Royal Type F “Brake Regulator,” perhaps better known as a slack adjuster. This device was mounted underneath railroad freight cars of the mid-20th Century and was integrated into the brake rigging to allow maintenance personal to insure that the brake system was taught. This little part, with its open, see-through design, adds extra flair to a well-detailed underbody and is the perfect piece to complete that unique freight car super-detailing project! You can also use it to replace the brake regulator included on Kadee HO scale PS-1 boxcars-- our version is much better.

​Four brake regulators are included per kit-- simply cut them carefully from the sprue.

INSTALLATION, ADVANCED

To install this part on your car following prototype practice, you will likely need to extend the length of one of the brake levers beneath your car. This can be done by taking a small piece of HO scale 2"x3" styrene stock and gluing it to the end of the brake lever farthest from the brake cylinder. Next, insert this extended lever through the gap near the end of the slack adjuster and then glue the slack adjuster to the bottom of the freight car’s center sill using the built-in brackets. Make sure that the long handle of the slack adjuster is pointing towards the A end (the end without the brake wheel) of the car.  For reference, see the photo of a completed underbody brake system above.

INSTALLATION, BASIC

Alternately, if your car doesn’t have separate brake rigging components, you can simply use the molded-on brackets to glue the slack adjuster to the bottom of the center sill between the triple valve and brake reservoir. The effect will still be impressive!
What's in the Box
INCM
Brakeregulator HO 4 X4
Frosted Extreme Detail
Width
1.3 cm
Height
0.3 cm
Depth
1.6 cm

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