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The homemade, low-cost Young flat-plate solar collector, well suited for multiple agricultural uses, was designed by a Nebraska farm couple and personnel from the Small Farm Energy Project. It is portable and tillable, with a flexible airflow system. The collector satisfactorily dried grain and heated the Young farm home. Use of the collector in the fall and winter of 1979 saved 331 gallons of propane worth $179. Net energy savings yielded an 11.2-percent return on investment and, including allowable tax credits, gave a payback of 5.8 years, making this collector--with an expected 20-year life--an attractive investment for farmers and lending institutions.


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