[SEL] "Free wheel, Locked wheel"

[Blacksmith]

    Sometime called free pulley and tight pulley. It is a simple clutch
arrangement using a belt shifter. The belt is moved over to the free
pulley to disengage the machine and shifted to the tight pulley to
engage the machine.

Bob Willman
The Eagle's Anvil
Bowling Green, Ohio
WB8NQW

----- Original Message ----- 
From: "Richard Strobel" <Richard_Strobel7 at msn.com>
To: "SEL email discussion list" <sel at lists.stationary-engine.com>
Cc: "Corky and Judy Harris" <cork_jud at msn.com>
Sent: Tuesday, March 22, 2005 20:52
Subject: [SEL] "Free wheel, Locked wheel"


> Howdy all;
>   We don't know why, but several of our pump jacks and water pumps (F-M
> "typhoon") have 2 belt pulleys next to each other.  One is free wheeling
and
> the other is locked to the shaft.  We believe they called this arrangement
> "free wheel, Locked wheel".
>   Can anyone explain why they did this arrangement?
>
> TIA
> Rick and Cork in Mt.
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