2016-01-20 (W) ESPeri.Impass

The base was remodeled to include a second gap. Yesterday’s base only had one gap to allow the front of the magnet to wobble but the back end could still hit the wall. By removing another segment the spinner can freely move up and down when facing north.

Keyed base with two gaps

Another problem with yesterday’s model was the spinner. A very narrow hole was provided for the post to rest in. This narrow hole limited the amount the spinner could move up and down. Instead of a wide open space with a narrow post hole a wide slope was used. Changes to the spinner should allow the magnets to strike the metal post.

Comparison of old and new post slots

Spinner model

To do:

• Make handheld haptic compass
• Make compass work from pocket or necklace
• Miniaturize

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. 

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2016-01-19 (Tu)