超軽量動力機のための木製双フロートの設計と製作(第3報)

概要

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The wooden floats for the micro-light-airplane were designed after Cresswell Walker and built by hand. The construction of the wooden floats was completed and a series of the water taxing test on MAXAIR DRIFTER installing these floats were carried out. As a result, it was clarified that there was some room for improvement to (1) spraying to the propeller, (2) handling on the water, and (3) pitching angle on the high speed water taxing. This report described some engineering knowledge we got in the process of taking measures to cope with the condition. We discussed a mechanism of the high speed water taxing, and explained the reason to equip with the step which was the characteristic structure of seaplane floats. The improved water-rudders had a good effect on handling, and the spray dam added on the floats decreased the spray to the propeller.