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  1. huntersridge

    looking for pulley/RPM formulation

    Ted, Thank you! The 20" pulley is going to be the tough part. My jackshaft would have to be raised by just over 10" in order for a 20" pulley to spin on the shaft. By keeping the 3" pulley on the motor and using a 2" on the opposite end of the jackshaft, what would I be looking at as far as...
  2. huntersridge

    looking for pulley/RPM formulation

    The plans that I purchased for this project call for using a Dayton 1-2 hp motor with a 3inch pulley on the motor going to a 8 inch pulley on a jackshaft with a 3inch pulley on the opposite end of the jackshaft. This then ties a 173inch v-belt to a 48inch wood pulley on the end of the foot drum...
  3. huntersridge

    looking for pulley/RPM formulation

    The 1800 RPM is what the motor RPM is on the tag. I am trying to get this final drive down do 16-18 RPM. Thank you for the replies. Jim
  4. huntersridge

    looking for pulley/RPM formulation

    I plan on build a 4' x 6' fur/hide tumbler for breaking leather and am wanting a rough idea of the final RPM of my tumbler. I plan on using a 2hp elctric motor with a speed of 1800 rpm. The plans I have call for a 3 inch pulley on the motor going to a 8 inch pulley on a 16 inch mandrel with a 3...
  5. huntersridge

    sprocket sizing (RPM's)

    1/2 HP gearmotor with 1089 in. pounds torque at full load. 30" center to center distance on 1" shafts (tumbler axle & motor).
  6. huntersridge

    sprocket sizing (RPM's)

    I posted this question earlier but I have some new information. I am setting up a "Tumbler" (4'w X 6'h)that will be turning at a speed of 18 RPM's. I will be powering this with a gearmotor with a 57:1 ratio which gives it an output speed of 29 RPM's. The gearmotor has a 1" shaft as well as the...
  7. huntersridge

    Figuring pulley ratios VS. rpm speed??

    I am building a 4'w X 6'h " tumbler, which will be turning at 18 RPM's. If I am using an electric motor that spins at 1,800 rpm's what would be the best set-up to turn the drum down to a spinning speed of 18 RPM's? I have thought of using multiple pulleys but have no idea on how to figure out...

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