Another lego trial truck model. I wanted to implement a suspension with freely-suspended bridges for a long time and I’ve done it finally!
The worm gear in the bridges allowes the use of standard universal joints that had a positive impact on design dimensions. The center of gravity is forwarded - good at climbing obstacles. Additionally I’ve made rotatable steering wheel and a winch connected to a lever in the (...)
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Welcome on Brick Truck Trial.com !
What is it ?
One electric motor, a bunch of gears, a fake motor, a steering wheel, a batterybox and a controler, a minimum of 4 wheels and a solid chassis, all this made out of LEGO(R) parts ? This strange assembly is actually a Trial Truck and if well built, capable to drive over muddy slopes in the forest ...
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Most recent articles
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Trial truck V
5 October 2016, by zver -
yellow trial truck
5 October 2016, by zverInitially I’ve planned to build a crawler, but in the process accidentally invented a simple axle with the inclined plane of the wheels. For this purpose each lower control arm shifted half a unit. Being inspired decided to put the idea in plastic:)
Axles are "swing-like", both with steering. The experience of the previous model showed that the "standard" Lego suspension is understeered. But if you steer both axles, it turns out well (there are however some features of steering). Both axles (...) -
4wd truck
5 October 2016, by zverI’ve decided to experiment in building a lego trial truck on small wheels 81,6.
Wheels are light so I’ve used the standard lego hub. In General, nothing new was invented. Just a good idea in suspension construction. A good chassis in general. The gear ratio can be changed easily - you can drive fast or climb hills (up to 40 degrees slope). -
Easy rider 2
26 August 2015, by zverThe second version of my trial truck Easy rider. The suspension remains the same. RC4WD Mickey Thompson 1.55 BAJA mtz scale tyres are used. The main feature in the truck is programmable differential. The truck is powered with two PF L motors. Each motor drives the wheels from on side of the truck. Programmable differential between right and left wheels is realized with custom remote control by DGI. Control features are used: 1. discrete acceleration and steering 2. while steering the (...) -
RedBlack
25 August 2015, by niknikIt is not my first truck)) It is half year old, and i painted weel disks. Yes, tyres are custom))) Look... This truck had participate in summer TT with its "small broter")))) -
Steering system types for truck trial
9 July 2015, by zver; Suspension types; Wheel type; Suspension; Model; ’Tyre Power Puller’ (32298); model description; ’Tyre Power Puller’ (32298); ’Tyre 94.8 x 44 R Balloon’ (54120); ’Tyre 94.8 x 44 R Balloon’ (54120); ’Tyre 94.8 x 44 R Balloon’ (54120); model description; ’Tyre RC Race Buggy 81.6 x 38 R’ (45982); model description; RC4WD Rock Crusher X/T 1.9 Tires; model description; -
Amélia V2
4 April 2015, by Ricky17 -
crawler V
8 March 2015, by zverThis is the 5th version of my lego crawler. The differences from the 4th version are: 1. New removable cabin with lego mini figures inside. 2. New front shock absorbers mount. Now shock absorbers function more smooth. 3. RC4WD Mud Slingers 1.9 Tires Soft are used. 4. SBrick control. 5. Adjustable rigidity of front suspension. -
Tyres for truck trial
2 March 2015, by zverNative Lego tyres have a smooth tread and this cause tyres can be the weakest link in the model. One of the good approaches is to use 94.8x44R tyres (54120) mounted on the Wheel Technic Racing (22969). Another good approach is to use tyres from RC-models such as RC4WD Mud Slingers or RC4WD Rock Crusher X/T. These tyres can be mounted on the Wheel 68.8x36ZR (44772). Outdoor test drive on these tyres
; Tyres comparison table; Tyre model; Int. diameter; Ext. diameter; Width; Weight; Suitable (...) -
Worm gear with 16 cogs gear
5 August 2014, by zverThere are standard constructions of worm gear boxes with 8 or 24 cogs wheels. But the 8 cogs wheel is too weak. And the gear ratio with the 24 cogs wheel is too big. There are some cases when the intermediate characteristics are needed. The 16 cogs gear suites good for it. It is strong enough and the worm gear box provide good power/speed balance. The only disadvantage is the non-integral number of units between the worm’s and wheel’s axels. This construction can be implemented in models (...)
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