<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"></head><body><div>Hank,</div><div><br></div><div>U.S. Balo & GATO class subs from WW2 used such a system. A small squril cage blower would do the trick. Something like what's used to inflate camping air mattress could be used.</div><div><br></div><div>Keith T.</div><div>To</div><div><br></div><div><br></div><div><br></div><div id="composer_signature"><div style="font-size:85%;color:#575757" dir="auto">Sent from my Verizon, Samsung Galaxy smartphone</div></div><div><br></div><div style="font-size:100%;color:#000000"><!-- originalMessage --><div>-------- Original message --------</div><div>From: hank pronk via Personal_Submersibles <personal_submersibles@psubs.org> </div><div>Date: 6/12/16 9:22 AM (GMT-08:00) </div><div>To: Personal Submersibles General Discussion <personal_submersibles@psubs.org> </div><div>Subject: [PSUBS-MAILIST] low pressure air pump </div><div><br></div></div><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_1465748406852_3015" dir="ltr">Has anyone installed a low pressure air pump to fill MBT's when you get to the surface. This would conserve HP air and in my case precious amps in the battery bank. A small pump used for air bags on cars and trucks would work perfect.</div><div id="yui_3_16_0_ym19_1_1465748406852_3015" dir="ltr">Hank</div></div></body></html>