| 摘要 |
The present invention demonstrates a high-performance, high-safety, and high-efficiency motorcycle with a desirable recumbent configuration for improved performance and compact wheel base. The motorcycle provides a seat for the driver in front of the engine and both the driver and engine are located as low as possible to the road while permitting sufficient road clearance. The combination of recumbent driver position located within the chassis provides for reduced overall volume of the vehicle while also permitting various protective surrounding members or an envelope body. In one variation, the motorcycle includes at least two at least partial oval structures forming a virtual ellipse, the first at least partial oval structure being formed by part of the rear part of the frame of the vehicle and is positioned such that the plane of the oval is at an angle theta and rising towards the rear of the vehicle, wherein the plane formed by the first structure is normal to a roadway surface, and the axis of the first partial oval rises towards the rear of the vehicle, the rising part at least partially forming a riding platform structure; and the second at least partial oval structure formed by part of the frame of the front part of the vehicle and is positioned such that the plane of the oval is at an angle phi from the road surface and rising towards the front of the vehicle.
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