Proceedings of the United States Naval Institute, Том 45The Institute, 1919 |
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Страница 1165
... means of holding down screws when the gun is placed in firing position , in order that the mount may keep steady on the point of aim while firing . THE GUN CARRIAGE The carriage which supports the gun is a structural steel frame- work ...
... means of holding down screws when the gun is placed in firing position , in order that the mount may keep steady on the point of aim while firing . THE GUN CARRIAGE The carriage which supports the gun is a structural steel frame- work ...
Страница 1175
... means of a commutator if direct current is required . If alternating current is required , the commutator is left off and collector rings used instead . The leads from the armature are then connected to the rings , and brushes take off ...
... means of a commutator if direct current is required . If alternating current is required , the commutator is left off and collector rings used instead . The leads from the armature are then connected to the rings , and brushes take off ...
Страница 1185
United States Naval Institute. windings of most motors are supplied current by means of brush contact on a commutator or slip rings ; but the rotor windings of an induction motor are not supplied current . The rotor cur- rents are all ...
United States Naval Institute. windings of most motors are supplied current by means of brush contact on a commutator or slip rings ; but the rotor windings of an induction motor are not supplied current . The rotor cur- rents are all ...
Страница 1190
... means of carrying off the heat developed has a big insulation problem to contend with . The winding in all rotors is of course insulated from the rotor body or frame . There is one other feature of induction motors that should be ...
... means of carrying off the heat developed has a big insulation problem to contend with . The winding in all rotors is of course insulated from the rotor body or frame . There is one other feature of induction motors that should be ...
Страница 1199
... means of the parallel rulers . This is easier than computing the succes- sive courses , and is equally satisfactory in practice . The writer accidentally hit on the above method for computing the great circle distance , and wondered ...
... means of the parallel rulers . This is easier than computing the succes- sive courses , and is equally satisfactory in practice . The writer accidentally hit on the above method for computing the great circle distance , and wondered ...
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