Several years ago Maximum Velocity offered a “Propeller Car Kit”, which consisted of a pinewood derby car body with a ducted fan and assorted electronics.
But this pinewood derby car was limited by the alkaline batteries; not only the weight, but the limited current available reduced the speed. So, how could we rev it up? In Pinewood Derby Times Volume 10, Issue 5 we discuss a novel solution.
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Maximum Velocity Pinewood Derby Car Plans and Supplies