How do I find the diameter of a pulley on a drive motor for a band saw?

[Doug Mungham]

Hi all I have posted a question to DENNISN anyone who has any help it would be gratefully received.

I am trying to find the diameter for a pulley on a drive motor for a band saw the motor turns 2800 rpm the next pulley is 11 1/2" away that is 5" dia on the same shaft is the band saw wheel which is 10" dia and must turn 900 rpm .

any help would be great.

Doug.

 

[DennisN]

Hi Doug, and welcome to Physics Forums!
For help with tasks/problems you should post (start a new thread) in the appropriate forum, e.g. perhaps

https://www.physicsforums.com/forums/general-physics.111/
or
https://www.physicsforums.com/forums/general-engineering.113/
or
https://www.physicsforums.com/forums/mechanical-engineering.101/