How to Lubricate Rubber Bands for Motors

Written by gail delaney
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How to Lubricate Rubber Bands for Motors
It is important to lubricate rubber bands before using them to run a motor. (Messy Rubber Bands image by MrGreenBug from

Rubber bands serve as the motor of many model planes, boats, cars and other vehicles. Lubricating the rubber bands prolongs their life and power, reducing the possibility of breakage. The bands must be strong and flexible. This is especially true for those competing in a space derby or similar competition.

Skill level:

Things you need

  • Bowls
  • Castor oil
  • Green soap
  • Glycerine
  • Water

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  1. 1

    Fill a bowl with castor oil one day before a race, or before using the rubber bands on your motor.

  2. 2

    Submerge the rubber bands in the castor oil. The oil should cover the entire surface of the rubber bands.

  3. 3

    Allow the rubber bands to soak overnight. Remove the rubber bands from the oil, and blot off the excess.

  1. 1

    Fill a container with two-parts green soap, one-part glycerine and one-part water.

  2. 2

    Mix the ingredients with a clean stirring-stick or spoon.

  3. 3

    Rub the glycerine mixture onto the sides of the rubber bands at least one hour before use. Dip the rubber band into the glycerine mixture; work it into the rubber bands with your finger.

  4. 4

    Place the rubber bands onto a table for an hour, allowing the glycerine mixture to soak into the rubber bands.

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