PRODUCT WEIGHT kg lb Alloy Bevel Gearbox 4.5 10 Lightweight 4 Man Alloy Bevel Gearbox 2.5 5.5 High Torque Ultralight Carbon Fibre Bevel Gearbox 2.0 4.4 www.lewmar.com CV Joints The Lewmar constant velocity joint can replace universal joints reducing weight in the system as well as increasing drive train efficiency for more effective power transfer. Universal Joints Gear boxes are connected to other gear boxes and pedestals by drive shafts fitted with either a universal joint or a coupling at each end. Our CV couplings are extremely light but may only be used where the shafts are in-line. Our high-angle universal joint is made of aluminium with 17-4 stainless pins, making it very strong and able to operate efficiently at shaft angles up to 15 degrees. Bevel box The bevel gear box is the core building block of the Lewmar drive system. Precision engineered and oil-filled, Lewmar bevel boxes transmit torque with extremely high efficiency, allowing maximum power delivery to the winches. Rotor Pedestal The new rotor pedestal is over 2kg lighter and is stiffer than its predecessor thanks to the more aggressive I-beam section and use of high-modulus carbon fibre. Large diameter Torlon® roller bearings have been used in the top end to support the high torque and axial loading which occurs during grinding.The top end is removable, making it easy to service from above deck.The complete internals can be dissembled, serviced and put back together within 30 minutes.This also means that the gear ratio can be easily changed on the water to suit the type of racing on the day.
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