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Simple Rock Crawler for extreme terrain (PF RC)
Tamas Juhasz posted a topic in LEGO Technic and Model Team
Hello! I present my latest crawler: http://www.brickshel...ry.cgi?f=538333 I wanted to make something totally new crawler construction. During the last months, some variation was made (little upgrades), this wast he first: My goal was to made a very simple and reliable crawler, which is able to take apart in competitions. It was succesful in Malug crawler races. Crawlers are relatively free-made, so the bodywork isn't made after a picture from reality. One important thing: you may noticed, it has a relatively large wheel base. To have the good wheelbase/ground clearance ratio, I also increased ground clearance. All depends on the terrain, it can be as good as short wheelbase. With a long one, it's more stable against falling backwards. It has "no" suspension, the chassis is strong enough but felxible to give articulation for the axles: (this makes it simplier) The next varation (V2) was made with longitudinal strenghtening to prevent the decreasing of ground clearance in the middle: The non Lego tyres: RC4WD 1,9" rock crusher XT. The chassis shows the innovation: It's driven with two XL motors (in the axles), on M motor steers. The additional M motor and ship weight in the front axle is only for weight, they have no functions. More weight on the front axle helps a lot in terrain. The bodywork in not too strong, but who cares with that in a crawler. Lightweight construction was important. In the video below, you can see some high-speed recording about a falling of a piece from the body. More pictures: In competition: http://www.brickshel...ler-No2/019.jpg http://www.brickshel...ler-No2/020.jpg http://www.brickshel...ler-No2/021.jpg Video: This is totally different than my previous videos. Was made with 30 fps (instead of 10) and 1080p HD resolution. I don't say, I will make every video in this way (requires a lot HDD space, sometimes unnecessary), but the more important or bigger mocs will be recorded similar. So the video: Hope you like it.