[Milsurplus] Dynamotor brushes

[Brenda Gentry]

Brushes for DC machines are sometimes formulated for polarity because 
electron flow affects wear. If the polarity is constant, a specially 
formulated brush will last longer and gove less wear on the communtator.

    B. Gentry


On 7/6/25 4:15 AM, Hubert Miller wrote:
> Now that is interesting ! I understand difference in HV and LV 
> brushes, but i have NEVER seen LV brushes marked for polarity. I 
> wonder if this was somehow only an accounting matter ?
> -Hue Miller
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> Sent from my Galaxy
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