SPOTwood Derby

So my son is in his final year as a Cub Scout (a Webelo), and has always entered the Pinewood Derby, though never for racing, just for design. He's either won, or come in second, every year.

But this year I decided that I had to enter, and get some much-needed telemetry from the car as it hurtled down the track.

Well, race-day is upon us. I have been busily building my car, and it's ready. I can't do the final assembly until race time, as I have to keep charging my on-car SPOT, but I can post some pictures here of the car in its current state.

Some explanations:

  1. It's ugly
  2. It uses the required zip-tie to hold the whole thing together
  3. it most likely will not win any awards for speed or design
  4. the red LEDs on the back, and the green LEDs on the front, will flash while the car is running.
  5. I will post the actual race telemetry (using the Sun SPOT Telemetry Demo shipped with every SPOT Kit, slightly modified).

So, here are the pictures:


P1250267 P1250268 P1250269

So, Telemetry numbers and graphs will follow after tonight's racing!

[ To every Ph.D. there is an equal and opposite Ph.D.
-- B. Duggan ]

Comments:

Hello David!

We were trying to use SPOTs accelerometers to calculate the space position of a toy car. At the moment, it is not working very well, I believe that the software we did is not very good (we will correct it as soon as we got time). Have you ever done something similar?

Thanks!

Posted by lucastorri on February 10, 2008 at 11:34 PM EST #

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