The metal is lightweight, non-corrosive and easy to machine. The metal
is malleable and has non-magnetic characteristics. Because it's
malleable, it can be molded to any shape. Aluminum gears can be of
various shapes. It offers spark proof starting of the engine and offers
high strength. Aluminum gear offer smoother running, longer life and
silent operation. They are designed to resist wear for long lasting
durability and maximum performance. Aluminum gear is protected with a
coating of anodize. Aluminum is widely used for light duty instrument gears. Aluminum gears are also used in aircraft industry but it has a drawback if an off airport landing has to be made on a rough terrain.