Dennis Oubre <[email protected]> writes: > There is nothing in the Telemetrum instructions on port size(s) for > the altimeter.
Oh, good point! > My students are using a formula from the AIM USB > Entacore instructions that allows them to calculate port size and > number. You may want to include some kind of formula in > the instructions. Yep, we'll do that. I'm busy right now, but I've added a ticket in our issue tracker: http://trac.gag.com/altusmetrum/ticket/68 In the meantime, one of the best resources online that I can think of is Vern Knowles' page on the subject: http://vernk.com/AltimeterPortSizing.htm It is apparently based at least in part on work done earlier by the good folks at Adept, which led to the "rule of thumb" most folks seem to start with: http://www.adeptrocketry.com/staticports.htm Regards, Bdale
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