One thing that I'd mention is that it takes a second or two for an e-match to light a motor, so take that into consideration when planning your flight. Otherwise it may take longer than expected before the sustainer actually lights and starts producing thrust.

Also, I usually increase the pyro firing time. Yes, if the e-match is going to light, it probably will in 0.05 seconds, but does it really hurt to "hold the button down" for a little longer, just in case?

Steve



On 6/6/2022 7:24 PM, Plugger Lockett wrote:
Hi Bdale/Altus mailing list folks,

I'm planning to do a two stage test on the weekend with an EasyTimer handling the sustainer ignition with tilt inhibit enabled. My test logic (at least how I understand it) is as follows.

Height Above Pad greater than 300m
Angle from vertical less than 20 degrees
Don't light until 5 seconds after launch
Do not fire after 6 seconds have elapsed in the flight.

Does this make sense to y'all? I'm going to be flying with an ematch in the sustainer, not a motor, as this is a test. Hence me not being worried about my relatively low Height Above Pad value.
Here's the config I've applied.


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Steven Saner <st...@saner.net> KD0IJP
Andover, Kansas USA
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