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hello hello guys im at the moment also working on a similare crane, a ltm 1050/1055/1060 a mixder of those three. it has one axle less, but im trying to implemte crape steering too the all wheel steering, also im building it as a all axis driven vihicle. problem now is not the switching between the two steering modes, but the axis that connect the transmission to the gear rack thats steering, because there is just to too much play at the end of the system. important to know is that im building this with flying axis and at the end of the transmission i have used a wormgear and a 20 tooth gear so the play build up between the 20 tooth gear and the gearrack at the end of the system. So my question is how to get rid of that play, and im pretty sure there has to be a sulotion because im very certain im not the first person who has build a model with flying axis that are steered -
September 2013 the first WIP picture of my crane was uploaded, now 3,5 years later I dare to say the model is finished. In all these years I have faced a lot of technical challenges with this model, thought most of them are solved a few remain annoying (steering and drive). In the end I consider the model done and decided to learn from the not fully working features to improve on in later builds. Other tough challenges that were beaten in this model are: Fully capable outriggers that lift the complete model of its axles, Lift of the boom using a brick build linear actuator, fitting tens of meters of wire in the model to power all the led's. A full list of the features can be found at the end of the post. Even though I consider myself quite a purist a few elements of this model are not from TLC. For control the model uses 5 sbrick's together with a custom profile, enabling all the rc features I needed with a good signal . Since the PF led's are way to expensive and dull I decided to solder my own led's with the right color and a good brightness. The stickers are supplied by JaapTechnic. More pictures can be found on my flickr Full road configuration with 14.4 tons of ballast weight. The spreader plates are stored on the back. All the light are controlled by the Sbricks, this includes the indicators, beacons and reversing lights. Yes this actually lifts. With the jib mounted the piston is able to erect the then 1.7 meter boom to full height. Fully erected the model stands 2.6 meters tall. Even though the model faces a lot of technical challenges all of the details are added including full interior in both cabins. Full feature list. Motorized functions: Drive, Steering, Outriggers front and back, Compressor for the outriggers, Slewing, Boom lift, Boom extension, Winch, Cabin lift. Light functions: Normal driving lights, indicators, hazard lights, beacons, reversing lights, working lights on the superstructure. Other functions: All cabin doors open, Openable storage doors on the back, Full suspension, Folding jib with multiple angles, Folding safety railing.
