Encoders (What's up with those?)

[asteb27]

Originally Posted by propionate

No in-depth analysis. 0 to shooting speed is about one second. Recovery time between shots is about 300ms, accurate to within .2% speed (plenty close for what it's being used for). Barring human error, we can hit around 95% accuracy just from tests in the shop. On the field we're closer to 80 or 85% because of human error/flywheel wear and tear.

I couldn't tell from the code (we use java), but do you actually measure rpm with this system? if you do, I'd be interested to see how it compares to a tachometer reading.

Any reason you use retroreflective tape? From what I could tell, you weren't shining a light at it.