On Mon, 27 Jan 2003, Robert Ussery wrote: *>This guy really gets around! *>He posted on the Soaring Usenet group on Google (rec.aviation.soaring), *>suggesting that his designs be used to power some of the lighter sailplanes. *>Yeah right! Hey, you could use a V1 engine instead and get more credibility (and tinnitus). That Hiller trombone device has very low compression ratio so its efficiency is low. But so has the V1 engine ... there was someone on this list who said he flew a pulse jet model airplane some time ago, maybe they want to chip in on this thread. Peter -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads