User:Soni Annadate

Three wheeler body building

Three wheeler body building is a little more challenging than the standard four wheeler body designs. To understand the reason for this the structure of a three-wheeler is most essential. Predominantly there are two different designs. The delta design and the tadpole design. The delta design is when two wheels are in the rear like an auto rickshaw. This design reduces the steering effort and has a better control, however, the balance is much reduced at the corners during turning and the second design is called tadpole where two wheels are in the front like BMW Isetta, Its major advantage is its aerodynamic design and stability during turns. However, the tadpole designed vehicles require a higher engine power than that of a delta design. The three-wheeler body building requires that the design is having perfect balance irrespective of the type of design and the other challenge of designing a three-wheeler body comes from the curves. Like a larger vehicle, not all corners and surfaces can be flat and have corners. The curves are achieved with the help of careful sheet welding and machine turning. This might become a challenge as at all points the center of gravity must be in balance even when designing and fabricating individual parts. The major point of hurdle comes from the lateral stability. Lateral stability plays a major role when it comes to speed of the vehicle. As per the topology - as not all roads are perfectly flat especially in a country like ours the design of the body has to be in such a way that the weight by speed ratio is in synchronization which means that at higher speed the weight of the body should be able to hold down the vehicle in its path at the same time at lower speed the same weight should not be so high as to require higher acceleration to just move the vehicle.