DLuders Posted October 12, 2010 Posted October 12, 2010 Here is a "Rear wheel-driven F-style track racer with quite a different steering and a powerful acceleration" made by BlueScope (Mike) on MOCpages. It is "a combination of a race car and a garage-built car. I described it to a buddy as "a F1 car that watched too much Mad Max"... and I think that pretty much nails it." "You should also be able to see some of the design details here, for example the red racing seatbelts I thought were looking cool, or the rather different rear spoiler. The mudguards are also coming out nicely in this one, even though you can see that they're perfectly positioned in the topdown view better": "The steering is hard to see, however a personal creation that I'm sure noone did before - the motorized axle that goes from the back to the front actually ends up in a kind of lever that moves the steering bar to the left and the right without the use of geras or anything for the left/right movement at all. The motorized axle itself is geared up heavily, so it's a lot slower and more powerful. This system proved to work really well on all kinds of stress, and it's really reliable and well to control. Unfortunately, the universal joints are having quite a bit of moveability in their nature, meaning the wheels have a bit of a moving tolerance at all times. "Additionally, I'd like to mention that it has somewhat of a Hand Of God steering. I'm saying 'somewhat' because the steering wheel's direction is opposite to the wheel's turning direction, and unfortunately there's not enough room in the front to retain the current efficiency of the steering and fix that little flaw. Either way, noone ever noticed it, and most people who saw it complimented on the HOD feature, meaning I guess I'm fine as it stands...." "The bottom view, as always, shows a lot of the internals. You can see the two large motors on the back powering one wheel each, as well as the steering motor inbetween them that is entended all the way to the front. You can also see I doubled the friction gears on the steering to make sure that power gets delivered to the steering bar before it starts to slip (which happened a lot with a single friction gear)": "As for the motorization, I think I came up with a quite ingenious way of putting a motorized wheel with geared-down power for more speed on a suspended mount in so few space. From the motors to the universal joints powering the wheels, there's only two units of space - one if which taken up for the gear, half for the suspended arm and half for the mount on the motor. It started as pretty fragile, however I managed to fix it with a few 1-unit-long axles I cut together." "Another cool feature is the completely removeable battery construction for easy and fast replacement of batteries. You can see it has half of the seat on it, which is actually totally unnoticeable on the put-together model. I'm convinced enough of the system to describe the steps you'd need to reassemble it, so you can see for yourself that it's no hassle at all. * reattach the cable to the battery * put the rear part of the battery pack on the mounts inbefore the rear suspension line * push the battery pack down so it sticks on the light gray pin conncector * put the two seperate black pins in the rear part of the battery to fix it to the frame" Check out his Racing Truck Concept on MOCpages too: Quote
Sam42 Posted October 14, 2010 Posted October 14, 2010 Looks rapid! My Land Rover Truck Trialler uses the same steering concept Quote
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