<html><head></head><body class="" style="background-color: rgb(255, 255, 255); line-height: initial;"> <div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">Dear Rob</div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><br></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">Was the retort self-firing after a while?</div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><br></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">Crispin </div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><br></div><br><div id="_originalContent" style=""><meta http-equiv="Content-Type" content="text/html charset=utf-8">We built a big (1M dia.) fan-forced sawdust TLUD gasifier in Costa Rica, designed by Nikolaus Foidl.<div class=""><br class=""></div><div class="">Used one blower with two butterfly valves—one to balance primary:secondary air ratio, and the other to adjust total airflow. </div><div class=""><br class=""></div><div class="">Worked great, though we combusted the char too, because were using the TLUD to dry & prime a 4M³ retort kiln filled with high MC wood. I have pictures.</div><div class=""><br class=""></div><div class="">Rob Lerner</div><div class=""><div apple-content-edited="true" class="">
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