enginehistory.org Aircraft Engine Historical Society Members' Bulletin Board    FAQ   Search   Memberlist   Usergroups   Profile   Log in to check your private messages   Log in  Search found 91 matches enginehistory.org Forum Index Author Message   Topic: Reverse on Constellation 3350 jschauer Replies: 10 Views: 10687 Forum: Wright Engines   Posted: Sun Jan 05, 2020 11:57   Subject: Reverse on Constellation 3350 Way back in A&P school we watched a movie of the "new" DC-4(6) with propeller reversing. One scene was a DC-4(6) that reversed its props in flight and had a very steep descent.   Topic: What are the failure modes of the Turbo Cyclones? jschauer Replies: 3 Views: 3855 Forum: Wright Engines   Posted: Sun Jan 05, 2020 11:53   Subject: What are the failure modes of the Turbo Cyclones? Most of the failures I've encountered were the engines making metal. Most of the metal parts were from the nose case gear reduction. The early BA Wright R-3350s had a weak gear setup and the later pos ...   Topic: Use of different octanes in flight jschauer Replies: 4 Views: 4068 Forum: Technical Discussion   Posted: Tue Dec 31, 2019 15:10   Subject: Use of different octanes in flight You are misunderstanding the octane rating. Avgas grade 80/87 was 80 octane. When used for takeoff an over-rich mixture was produced by the carburetor and the fuel had an equivalent rating of 87 octan ...   Topic: R-2600 and R-3350 jschauer Replies: 6 Views: 5561 Forum: Wright Engines   Posted: Sun May 12, 2019 11:58   Subject: R-2600 and R-3350 Having flown behind both versions of the 3350 my opinion is that the later version of the 3350, ie 3350-26 or -95 is the greatest radial ever built. I have not flown behind the larger P&W 2800 or ...   Topic: B-29 FIFI update jschauer Replies: 42 Views: 70839 Forum: Collections/Restorations - General   Posted: Sun Dec 22, 2013 16:08   Subject: B-29 FIFI update Sorry for the delay, I've been quite busy in my personal life. The accessory drive shaft failed on the #2 engine in flight. This is the same engine we had a severe back-fire during the second (wit ...   Topic: B-29 FIFI update jschauer Replies: 42 Views: 70839 Forum: Collections/Restorations - General   Posted: Tue Dec 25, 2012 21:05   Subject: B-29 FIFI update I won't go into the details, I'm not at liberty to say but the engine had a internal failure that's never been seen before. The engine has been repaired and should be reinstalled in a few weeks. We ar ...   Topic: NEAM engine sale jschauer Replies: 2 Views: 7327 Forum: For Sale   Posted: Tue Jun 05, 2012 22:54   Subject: NEAM engine sale http://www.neam.org/index.php?option=com_content&view=article&id=132   Topic: Recent test cell runs of R-4360s, R-2800 jschauer Replies: 5 Views: 10915 Forum: Book, Mags, Films, Recordings, Reference   Posted: Sun Jul 17, 2011 07:38   Subject: Recent test cell runs of R-4360s, R-2800 Ray Anderson in Idaho.   Topic: Oil viscosity effect on engine output jschauer Replies: 4 Views: 9619 Forum: Technical Discussion   Posted: Fri Apr 29, 2011 07:41   Subject: Oil viscosity effect on engine output Most U.S. designed radial engines are limited to 1,200 rpm until 40C degree oil temp is reached.   Topic: Long nose engine run jschauer Replies: 0 Views: 6165 Forum: Allison Engines   Posted: Mon Apr 11, 2011 07:19   Subject: Long nose engine run http://www.youtube.com/watch?v=GwdRD3GBRLw   Topic: Link to X-15 Flight Manual (PDF) jschauer Replies: 0 Views: 5460 Forum: Technical Discussion   Posted: Tue Jan 18, 2011 21:28   Subject: Link to X-15 Flight Manual (PDF) http://www.sierrafoot.org/x-15/documents/X-15_Flight_Manual.html   Topic: B-29 FIFI update jschauer Replies: 42 Views: 70839 Forum: Collections/Restorations - General   Posted: Wed Nov 24, 2010 16:38   Subject: B-29 FIFI update We've had a great fall tour, and the B-29 is at Addison airport (it's new home), north of Dallas, for it's winter maintenance. In early December we will fly her out to Midland, Texas for a few days an ...   Topic: B-29 FIFI update jschauer Replies: 42 Views: 70839 Forum: Collections/Restorations - General   Posted: Wed Oct 13, 2010 18:53   Subject: B-29 FIFI update Full power fly-by. 280 mph, indicated. http://www.youtube.com/watch?v=Kft5__Yys3E   Topic: B-29 FIFI update jschauer Replies: 42 Views: 70839 Forum: Collections/Restorations - General   Posted: Tue Oct 12, 2010 18:45   Subject: B-29 FIFI update Video of the first flight and from about three weeks ago. http://www.youtube.com/watch?v=D1pKDmWKYY0   Topic: B-29 FIFI update jschauer Replies: 42 Views: 70839 Forum: Collections/Restorations - General   Posted: Mon Oct 11, 2010 21:32   Subject: B-29 FIFI update Yes we have a pre-oil system. Each engine nacelle has a propeller feathering pump that we use as a pre-oil pump. It works great. We pre-oil for about 15 seconds and then crank the engine over for the ...   Page 1 of 7 Goto page 1, 2, 3, 4, 5, 6, 7  Next All times are GMT - 6 Hours Jump to: Select a forum Help----------------Help With Using This Bulletin BoardHelp with Projects, Research, Finding Information Air Racing----------------Air Racing - General Books and Authors----------------Authors' CornerBook, Mags, Films, Recordings, Reference Collections/Restorations----------------Collections/Restorations - General Discussion----------------Non-Technical DiscussionTechnical DiscussionAllison EnginesDB, Junkers, Other German EnginesPratt & Whitney EnginesBritish EnginesWright EnginesWWI EnginesRecip Engines 1920=>Gas Turbines Members Only (Private)----------------Members Discussion (Private)Torque Meter (Private)Announcements (Private)AEHS Newsletter (Private)AEHS Mini-Gigs (Private)In Memoriam Model Engines----------------Model Engine Discussion Wants/For Sale----------------WantsFor Sale  Powered by phpBB © 2001, 2005 phpBB Group