A make-one-of-your-own kit...

A project log for Entropy Wheel Heat Recovery Ventilator

Rotating perforated disk counter-flow heat exchanger maintains indoor temperature while exchanging fresh outdoor air.

bryan-williamsBryan Williams 08/19/2014 at 05:300 Comments

Also on the drawing board is a 3D-printable razor guide to easily and SAFELY perform all the cuts needed. A guide insert to guide the blade dead-center of the coroplast "tubules" and maybe a lower piece to cover the exposed blade. This way you can insert the guide in right tubule and make a perfect slice in seconds. Thinking of devising a "guide comb" to help identify the tubule positions to begin cutting, and a guide to assist in slicing the huge 4x8 ft panels down to 16" strips. One must pay attention to the orientation of the tubules when cutting....