Eco-Vehicle and Machine
No sprocket and chain in driving system
Smaller backlash, more efficient and strong
More reliable and running quiet
Less maintenance and repair required
Gain Maximum mechanical advantage
Gain Maximum torque to rotate wheel
Rectilinear propelling motion
About 90% human natural linear motion utilized
About 90% linear propelling motion to do Work
About 90% linear propelling force utilized
About 90% human energy harvested
Drive system can be coupled in any wheel
Easy to configure into folding style
Vs.
vs.
vs.
vs.
vs.
vs.
vs.
vs.
vs.
vs.
vs.
vs.
vs.
vs.
Existing Sprocket-Chain HPV
With sprocket and chain in driving system
Larger backlash, less efficient, and weak
Less reliable and running with noise
Frequent maintenance and repair required
Not gaining any mechanical advantage
Gaining limited torque to rotate wheel
Circular propelling motion
About 25% human body natural motion used
About 25% circular pedalling motion to do Work
About 25% of circular propelling force utilized
About 60% human energy wasted
Rear wheel drive only with sprocket-chain
Restricted by the sprocket-chain drive system
In Summary, based upon all above mentioned comparisons
With same amount human power input, Eco-Vehicle products might perform about 32% more efficient in utilizing human energy, travel about 32% faster, and reach about 32% more distance than traditional sprocket and chain drive system, which have been used in almost every type of bicycles and Human Powered Vehicle (HPV) since. Eco-Vehicle Corporation will update these percentage estimations once our prototype testing are being completed.