Show boys build a hydrofoil speedboat nc y y aw V r ink TUIS tot HIS speedboat speed buat radical la in design and expected to develop double the breed 0 present water craft of tile tho same power was completed by pupils of irocky river high school tn in cleveland ohio the boat powered with a stand ard outboard motor li ii the first of its kind to be built upon the hydrofoil principle developed by ur dr oscar 0 nationally known research engineer every detail of the 15 foot craft was worked out by the students and their instructor A K the hydrofoil consists of a plane piano suspended underneath the boat which cuts through the water as tile the boat gathers speed and reduces the fluid resistance to a minimum |