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MMD > Archives > May 2004 > 2004.05.08 > 03Prev  Next


Reducing Blower Motor Speed
By Tom Gregory

Greetings:  We have a 1920's silent Meidinger 50 Hz blower supplying
wind for a Mustel Concertal Harmonium.  I believe the blower was part
of the original installation.

Is there any way to slow the blower other than rebuilding the motor?

Best wishes,

Tom Gregory
Waukesha, Wisconsin

 [ The best method (although it's rather expensive), I believe, is
 [ to install a frequency converter that changes 60 Hz power into 50
 [ Hz power.  Perhaps one of our readers who has successfully installed
 [ such a device can report to us.  To my knowledge an AC induction
 [ motor cannot be rebuilt to run at 80% speed; reducing the mains
 [ voltage to reduce the shaft speed risks overheating.  Read the
 [ description of Tom's Mustel player harmonium in 991026 MMDigest,
 [ Mustel Concertal Player Harmonium.  -- Robbie


(Message sent Sat 8 May 2004, 18:36:57 GMT, from time zone GMT-0500.)

Key Words in Subject:  Blower, Motor, Reducing, Speed

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