- #Azusa mini bike kit in action driver#
- #Azusa mini bike kit in action manual#
- #Azusa mini bike kit in action series#
(4) that the center distance between engine crankshaft and driven shaft be correct for the drive belt as specified.(3) that the driven unit sheaves open to the proper dimension for the highest speed range, which is assured by using a belt of the proper width and with the proper collective angles.(2) that the drive clutch be aligned to have the belt run at its highest speed.(1) that the engine crankshaft and drive shaft (jackshaft) be aligned perfectly parallel.What are the keys to a proper alignment?.
#Azusa mini bike kit in action manual#
Even engine and drive train component life (sprocket, chain, bearings, etc) is extended since shifting is smooth and not subject to the hazards of manual control. Since ratio selection and "down-shifting" is automatic, braking and vehicle control are enhanced.
The unique design of the "movable face" in each "driver" and "driven' member cause automatic, infinite variation and thus smooth shifting action between the system's low and high range in immediate response to chainging load and/or travel conditions, with constant optimum ratio between engine and drive wheel thus assured, you get the use of all the power your engine develops. Utter simplicity makes both cost of this equipment and its installation modest and also reduces future maintenance to a negligible minimum without compromise of performance of versatility. 
There are no gears, no complicated controls or levers and neither manual shifting nor clutching is involved in these systems. Each Comet system is fully automatic and can be used anywhere that control by engine throttle alone is desireable. Since these devices consist of a "belt" and two "variable pitch pulleys" all working together harmoniously, serving as both clutch AND transmission, we often call them "variable speed drive systems." Weather-proof, completely mechanical and occupying minimum space, they can operate mounted in any position and are adaptable to a wide variety of applications, both stationary and vehicular. The unique asymmetric arrangement of the belt and pulley angles allow the belt to exceed diameters possible with the standard "V" pulleys, thus overdrive. The Drive unit pulley flanges, at this point, are closed to provide the largest possible belt contact diameter. #Azusa mini bike kit in action series#
The ratios between low and high of the 30 Series Torq-A-Verter are infinite to meet all demands within its realm of capabilities.Īt it's highest speed (overdrive) and lowest load demand, the Driven unit pulley flanges are wide open providing the smallest possible belt contact diameter. If the torque load is increased this ratio is reversed instantly and smoothly to its requirement. This action is dependent on acceleration and lack of torque load on the Driven element, allowing its pulley flanges to open thus creating a smaller driven unit diameter.
#Azusa mini bike kit in action driver#
This action, in turn, is squeezing the belt out to a larger Driver unit diameter. increases, the Driver pulley flanges continue to close together. This is the most powerful ratio of the system.Īs the engine R.P.M. The Drive Belt engages, driving the Driven unit pulley at it's largest diameter. The system is Neutral-with no belt friction and no drag.Īs the engine throttle is opened the Driver pulley flanges begin closing together via centrifugal force. The asymmetric belt has no engagement during the idling of the engine.
How Does The Asymmetric Series Function?. As this happens, the speed from the engine transferred to the final drive is increased. The moveable sheave of the driven unit is forced out, as shown, allowing the belt to seek its smaller, high speed ratio diameter. The drive belt will then be forced to a larger diameter within the clutch sheaves, thus pulling it to a smaller diameter within the driven unit sheaves. The moveable sheave of the clutch is forced in (as shown above) as the rpm of the engine is increased. The drive clutch is activated by centrifugal force from the engine crankshaft. The moveable sheaves allow for the pitch diameter, offering infinitely variable power ranges. Both the clutch and the driven units are composed of pulleys with moveable sheaves. The engine clutch is activated by centrifugal force, and the driven unit is torque sensitive, meaning it is responsive to the torque demand of the driven shaft or jackshaft, to adjust the ratio of the system for the power required according to the various conditions. The variable speed drive system normally consists of an driver clutch, and a driven unit, connected into a system by a "V" type belt. The basic operating principles of the variable speed drive system of the type used in many RV's are shown in the above illustration. 
What is a CVT (Continuous Variable Transmission) drive system?.
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