Sport Pilot Talk The discussion forum for Sport Pilots and Light Sport Aircraft   You are viewing the archive. Click on the "SportPilotTalk" logo on the left for the live forum! Remos in LV!!!!!! Click here to go to the original topic Goto page Previous  1, 2          Sport Pilot Talk Forum Index -> Light Sport Aircraft View previous topic :: View next topic   Author Message roger lee Joined: 08 Dec 2009 Posts: 267 Location: Tucson, Az. Ryan Airfield (KRYN) Posted: Wed May 25, 2011 10:41 pm    Post subject: Hobbs verses tach time   On a Rotax you should be using Hobbs time. Hobbs records any time the engine oil pressure is over 15 psi. The tach on the other hand is variable and runs slow at low rpms and runs fast at high rpms. The 20% rule between the two is normal. Use the Hobbs for all engine timed maint. If you have a Dynon turn off the tach and just let the Hobbs show. Back to top            Sport Pilot Talk Forum Index -> Light Sport Aircraft Goto page Previous  1, 2 Page 2 of 2 Powered by phpBB Search Engine Indexer Powered by phpBB 2.0.22 © 2001, 2002 phpBB Group