River model design.  Research and design!

River model design. Research and design!

We’re designing a larger river model, now code-named the em4, and are testing pumps. Pumping and filtration are big challenges–the plastic media we use is an industrial abrasive. Great for modeling, hell on pumps. Pumps are complex devices with...

Big scale today, more climate.

Big scale today, more climate.

We did a silly thing today: We’d like to be able to have plastic media for the Emriver and future models that coded by size, i.e. each size class would be a different color. This seems to be outside the current plastic media technology. This stuff is produced...