Hardware Assembly

Assembling the hardware for a basic LoCoRo is no more complicated than some glue and a few screws. Alternately, it may be as complex as you chassis design requires.

If you have already done so, please read the Intro to Hardware page before continuing.

Basic Parts List:

The hardware components for a tricycle chassis LoCoRo include a small furniture caster with mounting screws, two servers (the same servos from the electronics assembly), wheels, and some form of mounting plate.

This example uses the two servo tricycle chassis (available from the 3D Prints page).

Front Caster:

Attach the small furniture caster to the underside of the chassis. This is best accomplished with screws and nuts.

It is possible to use hot glue but the bond will eventually fail.

A reliable alternative is double sided foam tape.


The RC servos are packaged with a variety of mounting hardware.

In this example, the rubber isolators are installed on the servos with the brass inserts.

The servos are attached to the chassis with the long narrow screws.


Attach the wheels to the servos.

The 3D printed simple wheels (available from the 3D Prints page) require a servo horn. The servo horn should be screwed or glued to the wheels. The horn stem should extend completely through the wheel, otherwise, the wheel may rub against the servo housing.

If the LoCoRo will be used are hard or slippery surface, rubber bands will provide very good traction.

Assembled LoCoRo:

The completed electronics assembly is attached to the hardware chassis to complete the physical components of the LoCoRo.

When using the parts from the 3D Prints page, the mounting holes of the basic electronics plat match the two servo tricycle chassis.

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