18 Nov 2025, 02:44 [ UTC - 5; DST ]
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Username Protected
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Post subject: Re: How the J58 Engine in the SR71 works  Posted: 29 Jan 2018, 01:47 |
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Joined: 02/07/15
Posts: 695
Post Likes: +455
Location: KGPM
Aircraft: BE35-C33
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Video was fascinating, but can't that guy talk any faster?
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Post subject: Re: How the J58 Engine in the SR71 works Posted: 29 Jan 2018, 02:25 |
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Joined: 12/03/14
Posts: 20748
Post Likes: +26220
Company: Ciholas, Inc
Location: KEHR
Aircraft: C560V
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Username Protected wrote: I was told that in certain flight conditions, the intake generates up to 70% of the forward thrust. :scratch: Maybe 70% of the compression ratio (which seems plausible, if just). An intake can't generate thrust. If you invent that, you will be rich and change science. Mike C.
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Email mikec (at) ciholas.com
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Post subject: Re: How the J58 Engine in the SR71 works Posted: 29 Jan 2018, 03:24 |
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Joined: 11/18/08
Posts: 470
Post Likes: +92
Company: Pacific Integrated Handling
Location: Puyallup Washington, KPLU
Aircraft: Cheyenne IIXL 135A
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Username Protected wrote: I was told that in certain flight conditions, the intake generates up to 70% of the forward thrust.  Maybe 70% of the compression ratio (which seems plausible, if just). An intake can't generate thrust. If you invent that, you will be rich and change science. Mike C.
That makes more sense. I definitely misunderstood and should have followed up. I'd say something like that is plausible, because the guy I was talking to flew the SR71. 
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Post subject: Re: How the J58 Engine in the SR71 works Posted: 30 Jan 2018, 02:21 |
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Joined: 12/22/07
Posts: 14721
Post Likes: +16855
Company: Midwest Chemtrails, LLC
Location: KPTK (SE Michigan)
Aircraft: C205
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Username Protected wrote: Aspen 20, ground speed check. Imagine if Frank Murray had been flying the hot-rod’d model that evening. Air Force, must die.
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Holoholo …
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Post subject: Re: How the J58 Engine in the SR71 works Posted: 30 Jan 2018, 08:16 |
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Joined: 09/29/10
Posts: 5660
Post Likes: +4882
Company: USAF Simulator Instructor
Location: Wichita Valley Airport (F14)
Aircraft: Bonanza G35
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Username Protected wrote: Everything about the plane is amazing. And it was designed by engineers in white shirts and ties using slide rules.
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FTFA RTFM
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