The 1950′s saw New Zealand power boating come to full popularity. It includes early hydrofoil designs. (another piece of 8mm film history)

two 15 hp 2 stroke and 4 stroke rigid inflatable boats racing

A few nice Racing Boats images I found:

by erdanziehungskraft

by erdanziehungskraft

Aqua Racers are a set which includes 2 miniature RC Boats, and chargers, and an inflatable circuit. These things are pretty cool and a must have gadget. We have had hours of fun battling with these little boats already.

Some cool Racing Boats images:

by erdanziehungskraft

by bbwbryant