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Old 06-16-2015, 12:12 AM
mbrownn mbrownn is offline
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Join Date: Jan 2011
Posts: 1,638
Originally Posted by bistander View Post
It looks like a nice motor. Similar in construction to automotive engine cranking motors or pump motors for truck equipments like snow plows, lift gates, etc. Those types of armatures can be wound several different ways, one of which is 4 pole 2 circuit called wave wound. This wave wound armature needs an odd number of coils and commutator segments.
Correct, The reason they put an odd number of coils in the armature is to prevent harmonics and resonances.
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