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Early Aircraft Projects / Re: Bréguet 460 series
« Last post by blackkite on Today at 01:04:34 am »
Breguet 460-M5?
What is the difference between 460 and 460-M5? Vertical tail stabilizer shape is little different?
https://www.flightglobal.com/FlightPDFArchive/1936/1936%20-%200398.PDF

http://1000aircraftphotos.com/Contributions/Braas/12036.htm
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Postwar Aircraft Projects / Re: Lockheed A-12 and SR-71 projects
« Last post by danwild6 on Yesterday at 11:17:18 pm »
I seem to remember a post around here that detailed air force proposal to develop an SR-71 variant that was faster with longer range and more maneuverable. Lockheed came back saying that faster and longer range were feasible but more maneuverability would be very difficult. 
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Early Aircraft Projects / Re: Bréguet 460 series
« Last post by blackkite on Yesterday at 11:16:05 pm »
Hi! What a foot rest! (No.4 and No.6 picture) ;D

https://elpoderdelasgalaxias.wordpress.com/2015/10/22/breguet-460-01-vultur-a-la-espanola/

http://illera.blogspot.jp/2012/09/fotos-antiguas-de-madrid_24.html#!/2012/09/fotos-antiguas-de-madrid_24.html

https://www.pinterest.jp/heymistergeo/1935-breguet-460-vultur/?lp=true

http://www.airwar.ru/enc/bww2/br460.html

https://en.wikipedia.org/wiki/Breguet_460
"Bre 460 : Light bomber and strike aircraft with two Gnome-Rhône 14Kdrs1 radial engines. One prototype built.
 Bre 460 M5 : 1935 design. Light bomber and strike aircraft powered by two Gnome-Rhône 14Kdrs radial engines. One prototype built.
 Br 462 B4 : A modernized version of the Bre 460. Only three built."
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The Bar / Mephisto - the only surviving A7 tank
« Last post by Kadija_Man on Yesterday at 08:36:28 pm »
Mephisto, the only remaining German A7V tank from World War I, kept safe in a bubble in Ipswich.

The Germans paid a lot of money AIUI to copy Mephisto and have on display in Germany a replica.
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Army Projects / Re: M-1 Replacement
« Last post by Kat Tsun on Yesterday at 06:55:19 pm »
Britain is in the same boat as France with regards to tank development: They abandoned their ability to create heavy armor in favor of medium weight vehicles. Neither Britain nor France have the institutional experience or ability left to produce main battle tanks. They stopped making main battle tanks in the 1990s. Which is why Britain is building Scout-SV and France is building VBCI, and neither are building any tanks. Any "Challenger III" made with a modern British engineer's tankineering expertise would resemble a Warrior MICV with a 120mm slapped on it, or the Scout-SV Direct Fire variant.

The only options for the British are purchasing Abrams tanks as an interim solution towards buying a new tank in the far future, or participating directly in the Leopard 3's development and getting a new tank in the 2030s or 2040s. It's possible that both may happen. It's nothing to do with "will" and more to do with "we've literally forgot how to make these things because the factories have been closed for 20 years, the engineers are dead or retired, and we've focused all our efforts on making 30-ton vehicles instead". This is essentially the same path that France took as well, which abandoned Leclerc in the mid-1990s in favor of bulling through VBCI and CTA40 for the AMX-10RC.

It is quite unlike the United States and Germany, who have kept a simmer of continuous tank production/upgrade programs running since the end of the Cold War, which is why these countries are the only two NATO powers left with the ability to produce main battle tanks. Germany is making Leopard 3. America hasn't decided what is going to make yet, but it is continually upgrading the M1 tank while it does so.

If it is a foreign tank the likely UK content is likely to be VERY low (doubt a joint project would be on offer from any likely reliable partner) and the UK will effectively be giving up the capability to design and build its own tanks.

Unfortunately, this has already happened. While it's possible to resurrect a tank industry ex nihilo, as any industry, that is expensive and takes substantial amounts of time. The cheapest option would be to simply acquire a foreign-built tank or participate in a foreign tank development program, with the intent of developing a future MBT after the next MBT. This is more or less what Japan did during the 1960s in aviation, with the United States, and it is returning dividends 50 years after the fact with the first fully indigenous Japanese stealth fighter program.

Doubly unfortunately and as noted, it is also unlikely that the UK will be willing to participate in the Leopard 3 program. On the other hand, its contributions to such a program would likely be little more than a bit of money and a flag on the Powerpoint slides, which is about all that France is able to contribute.

either that or just buying the latest incarnation of the M-1 or its replacement design, a Leopard III buy seems unlikely.

As it stands, the most likely replacement for the M1 is going to be Leopard 3. The US Army is entering an even numbered decade, which means the pendulum has swung from "heavy armor" to "air-mechanization". We're ready for a new FCS.
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The Bar / Re: Argentine Sub Missing
« Last post by Kadija_Man on Yesterday at 06:02:41 pm »
Not looking good, a diesel/electric boat after this time missing?  Even if it is intact and there are sections that remain water tight the air is unlikely to be breathable by now.  Not good news.

They do have air purifiers, you realise?

A much greater danger is that of chlorine gas - when sea water comes in contact with lead-acid batteries it produces chlorine.   A common problem with Dieso-Electric subs.

I've been following this story since last Thursday (my time).   It does not look good.   There is a lot of misinformation in Argentina about what is going on.   The length of time is the problem.  The longer it goes on, the less likely are the crew to be alive. 
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The Bar / Re: Nuclear Weapons - Discussion.
« Last post by bobbymike on Yesterday at 04:20:01 pm »
Sferrin what is that and where did it come from?

Just stuff I dreamed up (except the LRASM-B there, which I modeled).
You have serious talent Scott, thanks for sharing.
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Early Aircraft Projects / Re: Arsenal VG-30 variants
« Last post by blackkite on Yesterday at 04:01:23 pm »
Wow!! Excellent information and amazing drawings as usual. :o
Thank you very much again. :D
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Early Aircraft Projects / Re: Vladimir Bodiansky Projects and Prototypes
« Last post by hesham on Yesterday at 03:44:49 pm »
What is the source Kdmoo ?.
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The Bar / Re: Nuclear Weapons - Discussion.
« Last post by sferrin on Yesterday at 03:18:31 pm »
Sferrin what is that and where did it come from?

Just stuff I dreamed up (except the LRASM-B there, which I modeled).
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