Rubber Band Powered Tugboat

Mark Nutcher constructs a rubber band powered tugboat.

That's Clever! : Episode HCLVR-315 -- More Projects »
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Steps 7-8
7. Drill two 3/4-inch holes in the cabin to accept dowels for the smokestacks.

8. Using a spindle sander and stationary belt sander, sand the boat body and cabin. Make sure to round all the edges.