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Archive for RingProp

RingProp Intellectual Property for Sale by Edward Symmons

Several years ago, a UK firm tried to commercialize a ringed propeller from Australia called RingProp. The propeller was said to be safer than traditional propellers because human limbs could not easily enter between the blades. When the propeller was spinning it created a shroud around the blades. Efforts to develop RingProp were spread over […]