[ARC5] Dynamotor Maintenance

[J. Forster]

Agree,

-John

================


>
> ----- Original Message -----
> From: "J. Forster" <jfor at quikus.com>
> To: "Roy Morgan" <k1lky at earthlink.net>
> Cc: "ARC-5 List" <arc5 at mailman.qth.net>
> Sent: Saturday, January 19, 2013 8:36 PM
> Subject: Re: [ARC5] Dynamotor Maintenance
>
>
>>
>> Brushes are largely graphite:
>>
>> http://en.wikipedia.org/wiki/Brush_(electric)
>>
>> It is the only form of carbon that has lowish electrical
>> resistivity
>> (except possibly for Bucky Tubes).
>>
>> -John
>
>      I can't even begin to make sense of the thread but I
> suspect that any warnings about cleaning out after dressing
> a commutator is to get rid of the abrasive residue of the
> dresser and any metallic dust from the commutator.  There
> are pretty complete instructions in many of the older books
> on electrical maintenance.
>
>
> --
> Richard Knoppow
> Los Angeles
> WB6KBL
> dickburk at ix.netcom.com
>
>