Modern rotating machines with commutators almost exclusively use carbon brushes, which may have copper powder mixed in to improve conductivity.
12.
The nose was fitted with a rotating machine gun mount, offset to allow the pilot a better field of forward vision.
13.
A "'capstan "'is a vertical-axled rotating machine developed for use on sailing ships to apply force to ropes, cables, and hawsers.
14.
When the vibration is in resonance it creates a destructive energy which should be the main concern when designing a rotating machine.
15.
During the late 1960s developed a spinning rotating machine on which he attached raw canvas and sprayed acrylic paint while the drum spun.
16.
Al-Jazari ( 1136 & ndash; 1206 ) described a crank and connecting rod system in a rotating machine in two of his water-raising machines.
17.
It could be a rotating machine with one shaft and one field winding . talk ) 17 : 29, 22 July 2014 ( UTC)
18.
A simpler non-rotating machine called a " drying cabinet " may be used for delicate fabrics and other items not suitable for a tumble dryer.
19.
His differential system, applied to vertical compound engines, greatly increased the efficiency of non-rotative pumping engines and prolonged their viability as alternatives to rotating machines.
20.
A metadyne unit consists of a rotating machine, which converts the constant voltage supplied by the battery to a constant current, which feeds the motor.