Andrew Wimmer <[email protected]> writes:

> -1. If the conditions are met, then a delay is started, the conditions
> are no longer met, the event is suppressed, then the conditions are
> met again, and the delay time expires before they are not met, does
> the event occur?

No. If the conditions ever fail, then the event will be suppressed. I
wanted to avoid the case of a tumbling rocket and sampling the angle
only when the rocket happened to be pointing upwards.

This probably isn't perfect for every situation, but we're constantly
struggling between an over complicated UI and too few options. I'm
trying to avoid building a turing-complete programming system for firing
pyro charges...

> -2. What happens if you exceed 100k' with a previous version (1.4.1)
> of the firmware on a Telemega? There's a (very small) chance I'll be
> doing that next weekend, and after 2 months of trying to get my
> Telemega to work on 1.4 / 1.4.1 and finally having an acceptable
> flight today, I'm not going to risk updating to a new software version
> 6 days before launch.

Nothing bad, until you go over 32767m in height. Above that, you'll wrap
around and the flight computer will think that it has plummeted to well
underground. Apogee will probably still deploy correctly, but you're
likely to dump the main out on top as it'll think you're far below the
main height...

> 3. Unrelatedly, what is the best way to set a backup main parachute
> deployment on a Telemega? I tried a parameter configuration today that
> seemed to make sense (I don't quite recall the configuration and
> haven't unpacked yet to pull it off the alt) and it didn't fire the
> match. Just want to see what's the recommended configuration, for say,
> channel C to fire a backup main at 4,000m?

Flight state after: MAIN
Delay: 1 second

The trick with any of the configuration bits is to use as few as
possible to describe your situation; all of them have to be true for the
event to fire.

Oh, we log when the pyro events fire to eeprom, so you can see when they
occur in post-flight analysis.

-keith

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