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Showing results for tags 'Concept car'.
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This will (hopefully) be my entry for the TC6 contest. Seeing all the great models already under construction (or almost finished), I don't see a lot of chances as a newbie, and I was thinking of withdrawing. So I thought it's a good idea to start a topic here and get me some peer pressure to finish ;-) As a big Citorën lover, the idea to build one of my favourite cars for this contest came quickly. But which vehicle would incorporate 4 independent PF functions? My choice was the Activa concept car from 1988: Shown at the 1988 Paris Motor Show, it showcased the electronically steered hydropneumatic suspension that was to show up the following year in the Citroën XM. Furthermore, it featured active anti-roll, four wheel drive and drive-by-wire four wheel steering with different modes, including crab steering. More info on http://www.citroenet...iva/activa.html The steering and suspension being the most interesting part for a Lego model, I chose the following 4 functions: _ driving (L-motor) _ front steering (servo) _ rear steering (servo) _ ride height (2 servos). I already finished the prototype of an axle (the two axles, having the same functionality, will be very similar; only difference will be that the front axle will include also the driving motor. Ride heights: The height adjustment mechanism was a bit of a challenge, as it has to move quite some weight on a small lever. It took me some time to brace the whole mechanism correctly. The next big challenge will now be to put the two axles in a strong enough chassis. The most difficult part however are the smooth, rounded lines of the Activa's body. I'm more at ease with mechanisms than with shapes, so let's see how I'll be doing... Comments and tips appreciated!
Kumbbl posted a topic in LEGO Technic and Model TeamThere is an awesome convertible variant of Natanael Kuipers Concept Car (more informations about this wonderful supercar MOC can be found here: http://www.eurobrick...oncept Car&st=0): (gif animation stolen from TB - http://www.technicbr...ept-car-by.html - a very good description of some variants of the Concept car) It is a very well designed roof with a reliable and robust gear-driven closing/opening mechanism. It adds great value to the concept car. And the whole roof fits pefectly to the outstanding modular design because the whole roof is one modul which can be mounted with just a few simple steps and with effortless ease... Well, currently you can buy perfect lego-like BI for the concept car but unfortunately only for the basic car and not for the gullwing and convertible variants. I asked Natanael if he has some better detailed pictures of the roof mechanism as available in his brickshelf folder. He has generously send some to me which allowed some better views... thanks a lot, Natanael! On this basis i have now managed to reverse engineer the roof-components and have made detailed step-by-step photo building instructions. I have uploaded them to brickshelf: - step by step instructions for all needed components: http://www.brickshel...ry.cgi?f=540360 - all needed steps to mount the roof-components to the car: http://www.brickshel...ry.cgi?f=540361 (Each file name contains the step number) Here is an example of the level of details of this BI: I'm quite sure everyone can easily follow these instruction steps ;-) An excel part list can be found here: http://www.brickshel...ry.cgi?f=540359