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Pro-Axle Press II
for Pinewood Derby Axles

US Patent No. 7,836,740

Straight Axles = Greater Speed!

In pinewood derby racing, winners and also-rans are often separated by fractions of an inch. Although many factors affect car performance, precision axles are key to reaching the winner's circle.

Unfortunately the nails used for axles with many car kits were designed for fastening, not for use as precision axles. Although they may look straight, most nail axles have a slight bend, are slightly out of round, and the nail head is not square to the axle shaft. To convert a nail from a fastening device to a precision axle, these critical deficiencies must be addressed. But correcting these deficiencies has been out of reach of all but the few with access to a machine shop. Until now …

Introducing the Pro-Axle Press II, a precision machined device that will improve the speed of your pinewood derby car by performing three critical procedures on nail type axles1:
  1. Axle Straightening - Ensures accurate wheel tracking by creating absolutely straight axles. Improved wheel tracking equals greater speed!

  2. Axle Rounding - Ensures accurate wheel rotation by creating absolutely round axle shafts. Improved wheel rotation equals greater speed!

  3. Head Squaring - Ensures proper wheel rotation by squaring the axle head to the axle shaft. Improved wheel rotation equals greater speed!

  4. New! Head Beveling - Reduces the contact surface with the outside wheel hub. Less contact equals faster speed!

and an added bonus:
  1. Raised Wheel and Alignment Adjustments - When it is necessary to purposely bend an axle (to raise a front wheel or make an alignment adjustment), the Pro-Axle Press II serves as a handy clamping device for holding the axle while making the bend.

When using nail-type axles, the Pro-Axle Press II and Pro-Body tool work together to make a well-aligned and smooth rolling car.

1The Pro-Axle Press II was designed and tested for use on BSA and PineCar nail-type axles. It may also be suitable for nail axles from other kits. The press is not intended for use with rod-type (PineCar) or screw-type (Royal Rangers) axles.

Copyright © 2017 by Maximum Velocity, Inc.

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