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Unread 22-02-2012, 20:59
andreboos andreboos is offline
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Re: Things Learned During Build Season

An 8" ball has no traction in an 8" wide chute.

Sometimes, science must defer to progress.

Any tests performed with damaged equipment can and should be ignored retrospectively when damage is discovered. Particularly, multimeter continuity checks.
Corollary 1: Case shorts in motors (BaneBots, in particular) aren't revealed by damaged multimeters.
Corollary 2: Re-test said motors after replacing the multimeter.

Bumpers can, and in some cases, should, be made and painted as soon as the frame is available and interferences can be tested.

Victors and Spikes are very picky about PWM cable insertion angle.

Wiring takes twice as long as you expect, especially when you plan around this fact.

Hands are not reliable encoder mounts.

Our statistics would indicate that one of our flathead screwdrivers is more dangerous than the entire machine shop.

Laryngitis improves communication quality by raising the "vocalization threshold". This is supported by multiple cases in our leadership this season.

Success tends to occur when or where cameras are off or pointed elsewhere.

6-conductor modular terminals do not crimp correctly in a 4-pin crimper.

5 volts means 5 volts, not 12 volts.

The cRIO can read from a controller after being disabled, and act accordingly when it is re-enabled.

Digital inputs read "true" unless pulled low, by a limit switch, for example. Input values should be verified in hardware and software before being used as limits.
Corollary: Hard stops are advisable.
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