Wednesday, June 1, 2011

A-12, YF-12 And SR-71 Specifications

From Blackbirds.net:

Last updated on: 19 November 2006




A-12, YF-12, and SR-71 Specifications







A-12 Specifications

Construction: Titanium (Beta-120/Ti-13V-11Cr-3A1) Monococque with some super-high-temperature plastics.

Length: 102 feet, 3 inches

Wingspan: 55 feet, 7 inches

Wing Area: 1,795 square feet

Height: 18 feet, 6 inches

Landing Weight: 52,000 pounds

Maximum Gross Take-off Weight: 117,000 pounds

Maximum Speed: 3.2 Mach above 75,000 feet

Operational Ceiling: above 80,000 feet

Maximum Unrefueled Range: Classified

Armament: none

Powerplant Data: 2 Pratt & Whitney J75 with 17,000 pounds thrust on first 5 aircraft during flight testing

updated to: In production, 2 P & W J58 (JT11D-20A) high-bypass ratio turbojets with 20,500 pounds thrust (dry), with afterburner: 31,500 pounds thrust, some later engines generated 34,500 pounds thrust in afterburner.

A-12 production: 15 aircraft; Only 9 A-12s are still in existance today.



Serial Numbers assigned to A-12 production was 60-6924 through 60-6948

Serial numbers 60-6942 through 60-6948 were not used







D-21A/B

Construction: Titanium (Beta-120/Ti-13V-11Cr-3A1) Monococque with some super-high- temperature palstics

Length: 42 feet, 10 inches

Wingspan: 19 feet, 1/4 inch

Wing Area: ?

Height: 7 feet, 1/4 inch

Empty Weight: ?

Maximum Gross Take-off Weight: 11,000 pounds

Maximum Speed: 3.35 Mach/ Maximum 3.25 at 80,000 to 95,000 feet

Operational Ceiling: 95,000 feet

Maximum Unrefueled Range: 3,000 nautical miles

Armament: None

Powerplant Data: Marquardt RJ43-MA-11 Ramjet with 1,500 pounds thrust

D-21 production: 38 drones

D-21A: M-21 launched, 4 launches

D-21B: B-52H launched, 17 Launches, with 4 operational missions







YF-12A

Construction: Titanium (Beta-120/Ti-13V-11Cr-3A1) monococque w/some super-high- temperature plastics.

Length: 101 feet, 8 inches

Wingspan: 55 feet, 7 inches

Wing Area: 1,795 square feet

Height: 18 feet, 6 inches

Landing Weight: 68,000 pounds

Maximum Gross Take-off Weight: 124,000 pounds

Maximum Speed: 3.2 Mach above 75,000 feet

Operational Ceiling: Classified, but probably over 80,000 feet

Maximum Unrefueled Range: Classified

Armament: 3 Hughes GAR-9/ AIM-47A air to air radar guided missiles (maximum speed 4 Mach)

Powerplant Data: 2 Pratt & Whitney J58 (JT11D-20A) High-bypass-ratio turbojets

YF-12A production: 3 aircraft

Out of the 3 YF-12As built only one is in existance today. Though the rear half of #934 was mated with the front half of the SR static test model to build the SR-71C trainer.





Summary of YF-12A Missile Firings Date YF-12 Alt. YF-12 Mach Target Alt. Results

Mar 1965 65,000ft 2.19 40,000ft Target destroyed

May 1965 64,800ft 2.18 20,000ft Missile Gyro failure

Sep 1965 75,200ft 3.22 20,000ft. Target destroyed

Mar 1966 74,000ft 3.16 1,700ft Target destroyed

Apr 1966 75,200ft 3.20 1,100ft Target destroyed

May 1966 76,000ft 3.20 20,000ft Target destroyed

Sep 1966 74,400ft 3.20 500ft Target destroyed









SR-71A/B/C

Construction: Titanium (Beta-120/Ti-13V-11Cr-3A1) Monococque with some super-high- temperature palstics.

Length: 107 feet, 5 inches

Wingspan: 55 feet, 7 inches

Wing Area: 1,795 square feet

Height: 16 feet, 6 inches

Landing Weight: 68,000 pounds

Maximum Gross Take-off Weight: 140,000 pounds

Maximum Speed: 3.2 Mach above 75,000 feet

Operational Ceiling: over 85,000 feet

Maximum Unrefueled Range: 3,200 nautical miles

Armament: None

Powerplant Data: 2 Pratt & Whitney J58 (JT11D-20A) High-bypass-turbojets with 34,000 pounds thrust

SR-71 production:



A...29

B... 2

C... 1

Out of the total of 32 SR-71's built, 21 are still in existance.

Total SR-71s lost in accidents: 12 (no USAF Pilot or RSO lost their lives in any SR accident, nor were any shot down by hostile fire)

AF Serial Numbers assigned for the SR-71: 61-17950 through 61-17985



Serial numbers 61-17982 through 61-17985 were not used

Program Info:(as of Jan 1990)



Total Flight Hours:...........53,490

Total Mach 3+ Time:........11,675

Total Sorties:.....................17,300

Total Operational Sorties:....3,551

Total Operational Hours:...11,008

Total Air Refeulings..........25,862

Total Crew Members:............284 (includes NASA and USAF Crews checked out in AC)

Cumulative Hours by Crews:

300 Hours.....163

600 Hours.......69

900 Hours.......18

1000 Hours.......8

1392.7 Hours.....1





Sources:



Buddy Brown

"Lockheed Skunk Works, The First 50 Years" by Jay Miller

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