Han has finished another awesome model of his own creation. This time a 10x4 Dump Truck, where lots of the recent yellow TECHNIC panels stand out in the model look.
Apart the TECHNIC functions this model includes some other details, like: Cabin opening for motor access, open & close cabin doors, adjustable wind-deflector, dashboard with coffee machine and cups, fuel tanks, air compressor and air filter units between the wheels, fire extinguisher, exhaust pipe, and many other...
Below some of this model TECHNIC functions, listed:
- 5 axle truck, first 3 axles steered.
- Ability to lift the 3rd axle (pneumatic) with 'auto-center' mechanism.
- Working V8 engine, including fan.
- Differential units on both 4th and 5th rear axles, interconnected.
- Head-lights with PF LEDs.
- Working tipping bed with parallel double pneumatic cylinder configuration.
Among the biggest challenges faced to build this model, described by Han, I got most fascinated by the 3rd axel lifting mechanism.
"Although the 3rd axle is steered, it should be disabled from the steering mechanism when lifted. As well, an ' auto correct' function was necessary to assure that the 3rd axle always will be always locked in 'straight forward' position when lifted, even when the 3rd axle wheels are not in 'straight forward' position when the lift is started. Both functions are realized."
You may find a lot more details and building process description about this Dump Truck model, at Han's website.
As usual he will also upload there the respective LDraw file and building instructions, once available (Latest Estimate: Q1 2010).