Monthly Archives: May 2012

Solar food dehydrator

From Practical Action Technical Brief: Basic principles of drying Drying depends upon: Temperature, humidity and quantity of air used Size of the pieces being dried Physical structure and composition Airflow patterns within the drying system Heat is not the only … Continue reading

Posted in Uncategorized | Leave a comment

Evaluating Solar PV

On April 1st and May 1st, 2012, I read the electric meters on our street at OMV. (The meters were first hooked up to the grid in early March.) Here are the readings, and calculated costs based on current ICE … Continue reading

Posted in Uncategorized | Leave a comment

Cyclone Power Technologies

A modern steam engine, from Cyclone Power Technologies Consider for use in our Waste-to-Energy center. Burn multiple fuels or even use with solar, grid tied. Wonder if could pyrolize biomass with the exhaust temps. CPT has two different engines: a … Continue reading

Posted in Uncategorized | Tagged , , , | Leave a comment

Aquaponics Water Testing Manual

A free manual From the Center for Tropical and Subtropical Aquaculture. Testing your Aquaponic System Water: A Comparison of Commercial Water Chemistry Methods Introduction: Aquaponics involves the dynamic interaction of fish, plants, bacteria, and their aqueous environment. The fish and … Continue reading

Posted in food | Tagged , | Leave a comment