#yf12s

[a-4skyhawk]

[dronescapesvideos]

Higher Further Faster | Evolution Of Aviation Part 1

[arrs25]

Very interesting!

[superleaves]

Blast off.

[skyfire85]

After the USAF canceled the YF-12 interceptor, the two remaining planes were loaned to NASA to support various test programs. One such program, known as COLDWALL, supported by NASA's Langley Research Center, consisted of a stainless steel tube equipped with thermocouples and pressure sensors. The cameras used to film launches of the AIM-47s were retained, while the folding ventral fin was replaced by a smaller unit fitted with sensors. A special insulating coating covered the tube, which was chilled with liquid nitrogen. At Mach 3, the insulation could be pyrotechnically blown away from the tube, instantly exposing it to the thermal environment.

The first YF-12, tail number 935, became the workhorse of the program with 146 flights between Dec. 11 1969 and Nov. 7 1979, while the second YF-12A, 936, made 62 flights before it was lost in a non-fatal crash on Jun. 24 1971. The plane was replaced by SR-71A 61-7951, given a bogus tail number 06937 and called the YF-12C to disguise the still-secret Blackbird.

[usafphantom2]

On November 7, 1979, Col. Jim Sullivan and Col. Richard Uppstrom delivered the only surviving YF-12A aircraft, 60-6935, to the U.S. Air Force Museum at Wright-Patterson AFB near Dayton, Ohio. The aircraft has been on permanent display in the museum's Research and Development Gallery ever since. The YF-12 flew from test flight in 1965 when my father Richard “Butch” Sheffield was test flighting the SR 71 at Edward’s until 1979.

That’s 33 years!

Interesting because the RSO was the Museum Director!

Yes, he is listed on the official list as a VIP who flew the YF-12. Here is the list if somebody says they flew the SR 71 or any Blackbird check here. sr71.us/Supp_BBook_Pg1…

I just wonder how he convinced them to give him a ride in a Blackbird. Or it could’ve been the other way around. I don’t know the full story but I sure would like to know.

It was a very smooth move, and I’m sure gave him plenty to talk about his flight as he was the longest museum Director in history.

We know who Jim Sullivan is he is the SR-71 pilot who flew the 972 to London in 1974 along with RSO Noel Widdifield I saw Noel at the last reunion. I did read that this was the first and only time that Sullivan flew a YF12. I don’t think it was much different than the SR 71 in the cockpit that is.

The YF 12 held three air-to-air missiles in its bay instead of cameras.

Linda Sheffield

@Habubrats71 via X

[28slcvirtualexhibition]

Virtual Exhibition

YA4 Culture: YF12 Cultural Appropriation

[degibusdesigns]

Check out this listing I just added to my Poshmark closet: Salomon X-Ultra 3 GTX Hiking Shoes 11.

[dronescapesvideos]

Two YF-12/Blackbirds in flight. Dryden Flight Research Center, 1975 ➤EXTREME AIRCRAFT VIDEOS: https://dronescapes.video/Extreme ➤HD IMAGE: https://dronescapes.video/YF12s

[michellethielen]

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[skyfire85]

A mockup of would have been the operational F-12B:

The data collected during the flight test program allowed Lockheed's engineers to remodel the forward fuselage and nose, adding a partial chine to the radome and better fairing the infrared search-and-track sensors. These changes would have meant the F-12B could dispense with the folding ventral fin of the YF-12, though the fins under the engine nacelles would remain.

An early version of the Lockheed YF-12 in bare metal.

Posted on the Phoenix Aviation Research Facebook page: link

[skyfire85]

Legendary Lockheed designer Kelly Johnson's sole documented ride in a Blackbird was in the AT-12 trainer, the Titanium Goose.

[moonwatchuniverse]

60 years ago Lockheed engineer &  Skunk Works manager Clarence “Kelly” Johnson developed the single seat A-12 “Oxcart” version of USAF/CIA triple-sonic reconnaissance aircraft. The Bulova Accutron Astronaut tuning fork wrist watch was choosen to be worn on the outside of the CIA pilots pressure suit in the harsh cockpit environment of the A12 “Cygnus” spyplane. 20 years ago, the SR-71 Blackbird version made its final flight after 35 years of duty. This 1964 Accutron Astronaut GMT watch sits on a Jacoby Bender Champion steel mesh bracelet. In December 2019, this vintage model of steel mesh bracelet was re-issued by Forstnerbands. (Photo: MoonwatchUniverse)

[irondisease]

SR-71 Blackbird. Pay homage to the king of speed with this screen printed poster. 18 x 24 on black card. 

[degibusdesigns]

Check out this listing I just added to my Poshmark closet: New Balance 1755 Rock & Tone Walking Shoes 11 4E Wide.

[michellethielen]

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