03-12-2021, 02:10 PM | #31 |
Night Watchman
Join Date: Oct 2010
Location: Cambridge, UK
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Re: Air performance
Err, no. It's true most of the spectacular stuff had been done by 1980, but since then thrust-to-weight ratios and reliability have improved a great deal.
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03-12-2021, 02:32 PM | #32 |
Join Date: Sep 2014
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Re: Air performance
I meant on the beginning side; turbojets are TL7, not TL6, but the 3e/4e crossover happens right around then.
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03-12-2021, 05:30 PM | #33 |
Join Date: Aug 2004
Location: Wellington, NZ
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Re: Air performance
To my mind jet engines that work well enough to put into the production aeroplane are one of the signifiers of TL7.
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Rupert Boleyn "A pessimist is an optimist with a sense of history." |
03-12-2021, 05:50 PM | #34 |
Join Date: Mar 2008
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Re: Air performance
I've read that the major difference between Vietnam era fighters and modern ones is the huge reduction in maintenance. My dad was a crew chief stationed in Germany around 1960 and said only once did he see the whole squadron operational. That was the Cuban missile crisis and involved ignoring redundant systems being not redundant.
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03-12-2021, 08:46 PM | #35 |
Join Date: Aug 2007
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Re: Air performance
In 3e yes (1950). In 4e not so much (1940). I'm not sure if anything major other than crude radar marks the 1940 date. IMHO when they changed the TL6 date to 1880 they went too early on that too.
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Fred Brackin |
03-12-2021, 09:01 PM | #36 | |
Join Date: Aug 2004
Location: Wellington, NZ
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Re: Air performance
Quote:
As for jets, 1940 is just about the point flight-worthy jets started being produced, and the mid-point of the first turboprop's production run. It's also the point where penicillin was shown to be producible in useful quantities, though mass production didn't start for a couple of years.
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Rupert Boleyn "A pessimist is an optimist with a sense of history." |
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03-12-2021, 10:03 PM | #37 | |
Join Date: Aug 2007
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Re: Air performance
Quote:
...has no manned jet aircraft with an "entered service" date before June 1944. As to the first turboprop's production run...... https://en.wikipedia.org/wiki/Vickers_Viscount ....has the Vickers Viscount not even flying until 1948. Doesn't look much like 1940 to me.
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Fred Brackin |
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03-12-2021, 10:58 PM | #38 | ||
Join Date: Aug 2004
Location: Wellington, NZ
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Re: Air performance
Quote:
Quote:
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Rupert Boleyn "A pessimist is an optimist with a sense of history." |
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03-13-2021, 12:07 AM | #39 | |
Join Date: Oct 2019
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Re: Air performance
Quote:
Since the question is when the technology is available and not when it was first used for the specific purpose of blowing people up, 1940 sounds like a "good enough" date. Jet engines were invented before the date, and jet-powered aircraft regarded as successful were flying on or before that date. |
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03-13-2021, 07:35 AM | #40 |
Join Date: Aug 2007
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Re: Air performance
I tend to think of TLs as being mostly for organizing gear catalogs and then the Skills for using that gear rather than memorializing theoretical accomplishments.
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Fred Brackin |
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