Author |
Message |
Topic: Reverse on Constellation 3350 |
jschauer
Replies: 10
Views: 10405
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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: 3728
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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: 3931
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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: 5363
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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: 69949
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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: 69949
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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: 7080
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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: 10738
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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: 9491
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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: 6089
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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: 5378
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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: 69949
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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: 69949
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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: 69949
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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: 69949
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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 ... |
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