2022-08-29 (M) SkateSail Design

The wind is almost constant in South San Francisco. Before this blog, I made a kite-shaped sail that I could rapidly fold or extend. The joints were weak, and the device was heavy, so I decided to make improvements.

I considered many ideas; some were motorized, spring-loaded, elastic, cranked, or bike-mounted. The plan I want to start with is simple, with room for upgrades. The rider will hold two bars like a weight-lifter and twist them 90 degrees. Fabric will be attached to a central bar that doesn't rotate and the spinning piece. The turn will pull the material taut and catch the wind. Going the other way will collapse the triangular sails. I tried to draw a logical picture by hand, but an animation with CAD seemed the best way to demonstrate it.
Opening animation

The rest of the posts for this project have been arranged by date.
First time here?

Completed projects from year 1
Completed projects from year 2
Completed projects from year 3
Completed projects from year 4
Completed projects from year 5
Completed projects from year 6
Completed projects from year 7
Completed projects from year 8

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2022-08-24

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