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- Indian Falls, NY
- slashfan7964
With this... I agree. Four-wheeled ATVs should, on the face of it, be more stable, but a hell of a lot of people who get hurt when they turn the things over.
The big problem with three-wheeled cars with the single in front is the weight balance and engine placement. The Robin has its engine in exactly the wrong place. You want more of the weight concentrated between the rear wheels with that kind of layout. I've driven Chinese tripods that failed to try to kill me because the manufacturer put that nice, heavy engine behind the rear tires, where it belongs. (They're still incredibly scary, because they're upright little things with bedsprings for suspensions)
This is how the Nissan Deltawing works. Proper weight balance and design. Conventional wisdom used to be you couldn't get something like that to work, but then, the 911 has been defying conventional wisdom for decades.
I 110% agree with you. Weight transfer and placement is the key to making any three wheeled vehicle work properly. The thing with three wheeled ATV's is that the weight is centralized on the machine with a relatively low center of gravity, so that when you counter lean into a turn (at speed, low speeds this is entirely unnecessary), your shifting body weight keeps it planted on the ground. This also works with street legal three wheeled ATV's (along with legally drifting to an extent). The problem with typical three wheeled cars is that you are seated in a cockpit, and thus cannot shift the weight, or slide at speed, causing the result as seen in the picture that was posted earlier. On an ATV, this is easily avoided with the proper riding technique, whether or not it has three or four wheels; both are easily overturned with an improper technique. It's also worth noting that square tires notably improve the handling of three wheeled ATV's over the typical "balloon" style tires you generally see. Another big issue is the fact that cars are just plain heavy, whereas an ATV is incredibly light even with a rider on it, so maneuvering around corners is much easier.
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