SINGLE-RUNNER COASTER (Feb, 1929)

SINGLE-RUNNER COASTER

THERE is a knack to keeping one’s balance on a single-runner coaster which you may acquire quickly, or may not. The coaster requires a l-by-4 board 6 feet long for the runner and brace.

The runner must have a slight curve to its bow, as indicated in Fig. 1. To warp the wood, steam it or soak it in hot water, then place the bow end in a vise, and block up the other end until a curve a trifle greater than that shown is obtained.

1 comment
  1. Slow Joe Crow says: January 18, 201010:19 pm

    We used to build those in junior high shop class using old skis

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