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No. 21647 ID: a42fa5
  fuck yo runway
fuck yo runway
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>> No. 21648 ID: 334c17
  Why do we even need these runways these days.
>> No. 21649 ID: 45e3a1
  Viggen has little need for runways. They designed it from the start to be able to take off and land from highways because the Swedes were convinced runways would be taken out in the opening volley of any war. As such it has some odd features like vortex lift from the canards and thrust revering capability.
>> No. 21650 ID: 44ca7a
  >>21649
Operating from roadways isn't hugely unique, it's more that the Swedes designed their aircraft from the Viggen onwards for rapid turnaround with conscript MX personnel and basic equipment. A rapid refuel and rearm for a air defense mission could be done in 10-20 minutes, and the engine is designed so that it can just be unhooked and slid out the back, meaning you can swap it in 4 hours. IIRC the Gripen retains the rearm speed and drops the engine swap speed to only 45 minutes with 3 mechanics.

Though the issue with the OP is more that the engine is angled downwards, so it just blasts the runway away like a fire hose. Apparently Vampires had problems with melting the asphalt on good runways, and this is probably some marginally used GA strip that rarely sees anything bigger than maybe a twin prop air ambulance.
>> No. 21651 ID: 45e3a1
File 149423129498.jpg - (2.52MB , 2504x1961 , st_20161112_torrent_2737541.jpg )
21651
>>21650
The impressive thing about the Viggen is not so much that it can take off from roads, but that it can take off an land in 400-450 meters. Not a lot of combat aircraft that make use of thrust reversers, Panavia Tornado is only other one I can recall right now. The short landing and takeoff gives it a much larger selection of possible impromptu airfields.

The exercise in your video required bringing in arrestor hook equipment and stripping over a kilometer of road of signs, street lights, and railings.
>> No. 21662 ID: 4d69b8
File 149442687797.jpg - (3.36MB , 1878x2593 , Autobahn_Notlandeplatz_A29_Ahlhorn_DoD_DF-ST-85-05.jpg )
21662
NATO and Warsaw Pact war planners assumed the Next War in Europe would eradicate the air bases and airports on the first few days as they were all primary targets. Cruise missiles would swarm in to destroy the air defenses and hangars and then artillery, ballistic missiles and airstrikes would pulverize what's left. Chemical attacks on the bases would greatly slow their operation as contaminated equipment, aircraft and MOPP suit protected crew would have to be decontaminated with lots of soap and water before any repair, rearming or refueling could be done. So using the roads as landing strips was planned when the bases were made ineffective. Many Soviet planes, like the MiG-23 Flogger, were designed to operate off crude bases, but the highly capable, but maintenance-intensive hangar queens like the F-15 Eagle, were bound to their bases.

The strips are usually 2 to 3.5 kilometres (1.2 to 2.2 mi) long straight sections of the highway, where any central reservation is made of crash barriers that can be removed quickly (in order to allow airplanes to use the whole width of the road), and other features of an airbase (taxiways, airport ramps) can be built. The road will need a thicker than normal surface and a solid concrete base. The specialized equipment of a typical airfield are stored somewhere nearby and only carried there when airfield operations start. The highway strips can be converted from motorways to airbases typically within 24 to 48 hours. The road would need to be swept to remove all debris before any aircraft movement could take place. In the case of Finnish road airbases, the space needed for landing aircraft is reduced by means of a wire, similar to the CATOBAR system used on some aircraft carriers. https://en.wikipedia.org/wiki/Highway_strip

- An aerial view of the autobahn A29 near Ahlhorn. construction of A29 just completed in 1984, the emergency-runway has been in the initial design. The highway has been cleared of traffic to allow it to be used to land aircraft during a military NATO exercise "highway 84".
>> No. 21663 ID: 4d69b8
File 149445193985.jpg - (162.33KB , 1280x822 , South Korean Fairchild C-123K Provider picks up tr.jpg )
21663
A South Korean Air Force Fairchild C-123K Provider aircraft waits to pick up troops at a highway landing strip during the joint South Korean/United States exercise "Team Spirit '89" on 24 March 1989.
>> No. 21664 ID: 4d69b8
File 149445210390.jpg - (176.11KB , 1280x729 , US C-130 Hercules on the autobahn A29 during NATO-.jpg )
21664
C-130 Hercules aircraft on taxidrive on the autobahn A29 near city of Ahlhorn during NATO-exercise "Highway 84".
>> No. 21665 ID: 4d69b8
File 149445231374.jpg - (187.61KB , 1280x839 , US A-10 lands on the autobahn A29 near Ahlhorn dur.jpg )
21665
A-10 Thunderbolt II aircraft lands on the autobahn A29 near city of Ahlhorn during NATO-exercise "Highway 84".
>> No. 21666 ID: 4d69b8
File 14944527311.jpg - (1.96MB , 2712x1327 , US A-10 on the autobahn A29 during NATO-exercise &.jpg )
21666
Rear view of an A-10 Thunderbolt II aircraft as it takes off from the autobahn A29 near city of Ahlhorn during NATO-exercise "Highway 84".
>> No. 21667 ID: 4d69b8
  BW-Filmschau Ahlhorn Ersatzpiste (NATO - Exercise Highway '84) https://youtu.be/cYpbI9Myrb0
The auto-translate English subtitles aren't bad.
>> No. 21668 ID: 4d69b8
  U.S. fighter jets land on highway https://youtu.be/c2GqQBexY9w
Published on Jun 23, 2016
Four U.S. A-10 Thunderbolt jets recently landed on a highway in Estonia as part of a NATO exercise called Saber Strike.


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