Abstract: We propose a new air-gap profile for single-phase permanent-magnet brushless dc (SP PM BLDC) motor to improve starting torque and to reduce cogging torque. We calculate starting torque and ...
From 1945 to 1955, a British aeronautical company called Napier & Son produced not just one but two versions of an intricate hybrid piston engine, which they named the Napier Nomad. The post-World War ...
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