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Description

Plans for a Gradient Acceleration Brake Meter. This simple easy to build device tells you in meaningful numbers. Mounts to the right front window with suction cups - no wires or other connections.

  • Brake efficiency

  • Slope of a hill

  • Total drag in pounds per ton

  • Drawbar pull in pounds

  • Find optimum shift points for a manual transmission

  • Find maximum level road speed

  • Estimate the maximum grade you can climb at a steady speed pulling a trailer.


Uses commonly available materials - plexiglass - glass, rubber, and brass tubing.

This is an original 4+ page magazine article from 1960.
We do not photocopy these.

Article Includes
  • Measured Drawings and Diagrams

  • Complete Instructions

Payment

Payment: by Paypal, Visa and Mastercard accepted thru PayPal. Items shipped upon receipt of Paypal payment.  

Shipping

SHIPPING TERMS: Buyer to prepay and add -
  • Multiple Items may be grouped to save on shipping.
    • $4.00 for USPS first class mail service or
    • $6.50 for priority mail service.
    • $3.00 for Canadian shipping
    • $6.00 other International shipping. For Tracked International service you must use ebay International shipping - price varies.

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Grandpa's Secrets

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from a Bygone Era.

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