Kate wanted to go out for dinner last night but I insisted on making a specialty of mine, wood smoked pizza on the grill. Somewhere in there I froze three beers, and what I thought was spinach was arugula (photo). This evil weed did not make it onto the pizza, but I...
Jessie and I cranked on Em4 pump testing, electronics, flow measurement, and the dye injection system. We are getting some hard lessons in hydraulics. The piped and centrifugal pump version has important differences from the open-channel kind I know well. Today it was...
We tested a new pump and flowmeter for the Em4 today. Taking advantage of a beautiful spring day, we set up outside. True to first tries, the flowmeter didn’t work and the valve manifold cut our pump output to 1/3 of what we needed. But we got most of it...
Jesse and I worked on the Em4’s control cart today. It’ll hold the main pump, flowmeters, valves, UV sterilizer, and a few other things. Still a big pile of expensive hardware, but soon it’ll be a very nice instrument. Jesse has done a great job on...
Design-build of our first Em4 continues. Jesse worked with our Marion, Illinois machine shop today to finish details on the standpipe mechanism; he and the shop are doing a great job. The design is adventurous, so we’ll either have a beautiful little machine or...
