SHEET 04
Foil
COMPONENT CHALLENGEHYDROWHEEL / FOIL / ROUND 01
Concept
Refined
Build-Ready
SEC. 01 — THE PROBLEM
A solid, symmetric foil pivots around a shaft through its own center, like a hard sail with the mast through the middle of the chord. It's mounted to a wire that loops around two wheels on the ends of an arm. Air gets injected into the foil at the bottom of its travel, then continues to push water out as the air expands as it rises. The wing has to flip 180 degrees so it pulls the arm in the same direction whether it's rising or falling.
SEC. 02 — OPEN QUESTIONSQ1How does the foil attach to the wire?
Q2How does air get injected at the bottom? How does it fill with water at the top?
Q3How much air can realistically get pumped in during the short time the foil is actually at the bottom?
FIG. 03 — FOIL RISING (L) AND FALLING (R) · REFERENCE ONLY
COMPONENT SPEC
ComponentHW-C01 Foil
StageConcept
Submissions0
Open questions3
FormatImages + description
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