<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px"><div id="yui_3_16_0_ym19_1_1467762815883_2654" dir="ltr">Today I built a frankenstein looking auto surfacing device. I have a simple mechanical timer rigged with electrical contacts. I have an electric gear head motor connected to the timer. The motor has a cam mechanism that actuates a HP air valve that supplies air to the MBT's . If this system fails, I still have my 5\16 "string" connected to raise the sub.</div><div id="yui_3_16_0_ym19_1_1467762815883_2654" dir="ltr">Hank</div></div></body></html>