Airspeed Indicator

It doesn’t look like much yet, but this will be an airspeed indicator. I am following the design ideas in Mike Powell’s book.

Here I have colored the motor deck (3.24″ square) with blue Sharpie and laid out the center lines for the holes.

asi-001 asi-005

Below are the faceplate and the motor deck, both 0.064″ aluminum. The 1.8 stepper motor was salvaged from an old HP Scanjet 5100.

asi-009 asi-011

Next up will be the acrylic faceplate and light diffuser.

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