4MC is a 4 wheel motorcycle invented by The Four Wheeled Motorcycle Company Limited ,Uk. this motorcycle has been invented with safety of the rider in mind, because two wheelers are prone to slipping which results in severe and often fatal injuries. if this invention becomes commercially available, motorcycle accidents will be drastically reduced.
The key features, which include the leading and trailing suspension arms, are covered by the 4MC’s patent applications.
In normal riding the 4MC prototype feels just like a motorcycle. On a slippery surface the 4MC is nothing like a motorcycle because is does not fall over.
I am seeking an established manufacturer to sell the 4MC’s intellectual property to because this is the best way to realize the 4MC’s huge market potential. This market potential has been partly proved by the various Piaggio MP3s and the Gilera Fuoco 500.
Some other parameters of the 4MC design
* Rider’s seat height. I could have reduced the 4MC’s seat height from the normal motorcycle seat height in order to increase stability. But this would decrease safety by reducing the rider’s ability to see over cars or to be seen by other road users. It would also require the wheelbase to be longer because the legs, having less vertical room, would have to be pushed out forwards. The longer the wheelbase, the less manoeuvrability the vehicle will have, and a feet forward riding position reduces’ the rider’s manoeuvrability. Therefore, the 4MC’s seat height is the same as per the norm for motorcycles.
* Limiting width. The 4MC had to be narrow enough to get through traffic. Having worked as a London motorcycle courier I based the 4MC’s width on the mid range sized motorcycles favoured by motorcycle couriers. This is because wider motorcycles get stuck in traffic and the smaller motorcycles do not generate any road presence and get bullied by other road users. A motorcycle’s limiting width is the distance between the outside of one knee to the outside of the other knee. This distance on the two most common motorcycles (Honda CX500 and Kawasaki GT550) used by London couriers is 610mm. By comparison the 4MC’s limiting width is 585mm. Although motorcycle handlebars are wider they can be waggled past obstacles and therefore they do not count towards the limiting width.
* Weight. The 4MC’s design will allow it to weigh less than 200kg even with a very large engine and even as little as 160kg.
* Steering angle. The 4MC’s unique leading suspension arms will allow a 45 degree steering lock in each direction.
* License. The 4MC’s design will allow it to be ridden with a car or motorcycle license. I did a lot of research into the license category which included a 2002 all European member state meeting held in Finland.
* Production costs. Thanks to the leading and trailing suspension arms the 4MC does not need a separate chassis which is a big cost and weight saving. Also, no additional equipment is needed for the stability brake because this function is uniquely achieved with the suspension dampers. Furthermore, the 4MC has an enormous but realistic market potential which has been partly proved by the Piaggio MP3 and Gilera 500. Such a large market means that the per-unit cost can be quite low.
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