Page 41 - TPM Issue3

The Build

Stage 1 involves the construction
of the undercarriage which has a
number of gears and new clutch parts
which allow more torque to be
transmitted to the drive wheels in order
to rotate the tracks, not surprising
when you consider the size and
weight of the model when completed.

Above: The track frame is first, followed by the
The battery housing comes out of the hub undercarriage frame which houses Above:
casing to make changing the batteries easy. two large and one small motor along The body structure is taking shape.
with one of the Control+ hubs. The
second track frame is then completed
The new Bluetooth hubs are an before the slew ring concludes stage
interesting part of the system, allowing 1. The test involves powering up the
you to control the built model from a hub and then operating each of the
smartphone or tablet once you have motors in turn to check the movement.
downloaded the free app which is
available for Apple and Android Stage 2 involves the building of the
handsets. There are tests that are run body, counterweight and internals
to check the build at different stages including side opening panels that
to ensure that everything is working reveal some internal engine parts
and this is a good feature, as errors while the second Control+ hub is Above:
The opening side panels revealing the
would be difficult to correct at the end installed inside the body shell along components within.
of the build if something is not working with the third large motor which
correctly. powers the main boom lift actuators

Above:
The gearing for the main lift actuators.

Above:
The completed
undercarriage
with tracks fitted.

Left:
The track frame
gearing and clutch.

Spring 2020 - TPMMW Magazine 41