Glowforge IOT suggestions

[evansd2]

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Airflow measurements

I braved the bees blocking access to my exhaust port and measured the airflow at the point of exit from the house: 26.54 ft/s. Given a 4" duct, my ignorance, and some math, I get about 139 CFM. If the Glowforge is able to move 200 CFM with nothing connected (which I intend to measure later), that seems like a reasonable loss, given my use of cheap equipment and inept measuring technique etc. This is the “before” measurement as I intend to install a booster fan and upgrade the duct to semi-rigid …