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Volvo H9X Specification of the excavator Length 60s / width 31s / height 20s (47/24,5/16 cm) - without excavator arm Max dimensions of excavator arm: 60x35 cm(length x width) Weight: 3637 g Front suspension: none Rear suspension: none AWD Steered both axles Power - 2x 8878 BB 3x M 4xL 2x XL 3x Servo Specification of the trailer Length 55s / width 25s / height 17s (44/20/13,5 cm) Weight: 1398 g Power: 1x 8881 BB 1x XL Functions Driving - 2x XL Steering - M Gearbox - M Lifting the blade - M Excavator rotation - L Movement of the arm - 3L + 3 Servos Lifting the trailer's tipping bed - XL Today, I want to present wheeled excavator Volvo H9X with trailer. Model was built for Lego contest „Build the construction machines of the future”. Later it received many improvements… In short: it is wheeled excavator without operator’s cabin. I didn’t pattern the model on any real machine. As a scale I took Claas’s wheels. For driving there are two XL motors, which drive the 4 wheels, through two-speed gearbox. First gear ratio is 5:1, and second 1,8:1. The gears are changed by M motor and two 1x7 racks. Both axles are steered by M motor with gear ratio 3:1. In the front there are blade, driven by another M motor. In the upper part of the excavator there are three comperssors for three pnematic functions. First, which drives the four big pnematic cylinders, consists of L motor and two pnematic pumps. Next two compressors are the same (L motor + one pump) and they drive the pneumatic cylinders for moving second section of the arm and the bucket. The valves are steered by three Servos. For excavator rotation I used L motor with gear ratio 155:1. In the front there are double Led lights, powered by a switch. The trailer is a simple liftarm construction. The bed is tipped by one linear actuator driven by XL motor. It is powered by switch, because of lack of free channels on the IR receivers. Gallery
Hi, this is a very hard question for lego videogames experts, does a wheeled suitcase ever appeared in a lego videogame? I mean, one in a minifig scale, if you looks on the web you find only real wheeled suitcases with lego characters printed on them.
Presenting my hi-rail exacavator. It is a fun little creation I put together for an upcoming LUG meeting at train themed brewery. It is driven by the rubber tires mounted to a PF train motor. The battery box and IR receiver are located in the high side gondola. It is made to stand up to children playing with it. I got the inspiration from a picture of the LEGO display at LEGO World. A designer took the 4203 set and put it on rails. I don't think he/she used a train motor since his/her wheels are spaced much further apart. He/she also used a box car with draw bar. I think a gondola would make more sense to pair with an excavator to dump material into. Hi-rail Excavator by dr_spock_888, on Flickr Here it is running on some tracks: I morphed it from this originally: