Another unique design feature of the E4 is the introduction of a 3 belt transmission. It was chosen because of its advantages in motor, battery and radio gear placement. In a classic two belt transmission system, the front belt is centered down the chassis. This layout restricts the design of the car greatly and forces the manufacturer to compromise in componentry layout. The E4 is exactly the opposite which meant no compromises!
Team Magic has also included a beautifully machine aluminum front dual action one-way/spool differential. With the pins inserted the differential acts like a spool. Remove two pins and the diff turns into a one-way. This allows the driver to customize the transmission to suit individual track requirements. In addition to this, the pulleys and center mount are also machine from the same high quality aluminum for improved pulley and belt durability. The rear of the car features a fully adjustable ball differential.
The whole system is set in motion by super low friction belts. The placement and size of the teeth on the belts were designed to be a perfect balance between durability and low friction.
All in all, the advantages of the three belt transmission system outweighed the minimal increase in transmission friction. Top speed can be easily found, lightning quick corner speed cannot.
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