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  1. crosstown

    need to correct a typo on previous question

    ross, i appreciate the double effort on my amended post. and i've copied your formula for future reference. i also submitted it under the gear and pulleys forum
  2. crosstown

    need to correct a typo on previous question

    about the red flag.... thanks to mike halloran from crosstown
  3. crosstown

    input/output rpm ratio

    I have an electric motor turning 1775 rpm, driving a speed/torque reducer with a 37.5-1 ratio. There is an 8 inch pulley on the output shaft which steps up to a 12 inch pulley on my conveyor headspool. What are the rpms on my 12 inch sheave and what is the rule of thumb to figure this out next...
  4. crosstown

    need to correct a typo on previous question

    in my previous question, i stated that my electric motor turns 3775 rpms. that is wrong. it turns 1775. sorry bout that.
  5. crosstown

    how to figure conveyor rpm's

    hi guys. im new to conveyor repair and new to this forum. i need a little help. i've got a speed reducer with an input/output rpm ratio of 37.5/1 my output pulley is 8 inch dia increasing to a 12 inch dia on my head spool. the driver is a 3775 rpm ac motor. what are my rpm's on the 12 inch &...

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