1 year ago

262

This is a replay of the live stream.
9:41 am EDT (13:41 UTC) Launch scheduled.
Launch site: LC-39A, Kennedy Space Center, Florida
Destination: Geosynchronous Orbit
A SpaceX Falcon Heavy rocket will launch the USSF 44 mission for the U.S. Space Force. The mission is expected to deploy two spacecraft payloads directly into geosynchronous orbit, one of which is the military’s TETRA 1 microsatellite. The Falcon Heavy’s two side boosters will land at Landing Zone 1 and 2 at Cape Canaveral Space Force Station, and the core stage will be expended.

Delayed from late 2020, 2nd quarter of 2021, July 2021, and October 2021 by payload issues. Delayed from early 2022 and June 2022. Delayed from Oct. 28.

FALCON HEAVY INFO:
Cost per launch (Reusable): $90M
Cost per launch (Expendable): $150M
Height: 70 m (230 ft)
Diameter: 3.66 m (12.0 ft)
Width: 12.2 m (40 ft)
Mass: 1,420,788 kg (3,132,301 lb)
Stages: 2+
Payload to LEO: 63,800 kg (140,700 lb)
Payload to GTO: 26,700 kg (58,900 lb)
Payload to Mars: 16,800 kg (37,000 lb)
Payload to Pluto: 3,500 kg (7,700 lb)

FIRST STAGE CORE + 2 BOOSTERS:
Engines: 9 Merlin 1D per each (core + 2 boosters)
Thrust at Sea level: 7.6 MN (1,700,000 lbf) (each)
Thrust in Vacuum: 8.2 MN (1,800,000 lbf) (each)
Total thrust at Sea level: 22.8 MN (5,100,000 lbf)
Total thrust in Vacuum: 24.6 MN (5,500,000 lbf)
Specific impulse at Sea level: 282 seconds
Specific impulse in Vacuum: 311 seconds
Burn time (side boosters): 154 seconds
Burn time (core): 187 seconds
Fuel: Chilled RP-1 / Subcooled LOX

SECOND STAGE:
Engines: 1 Merlin 1D Vacuum
Thrust: 934 kN (210,000 lbf)
Specific impulse: 348 seconds
Burn time: 397 seconds
Fuel: RP-1 / LOX

SATURN V INFO (for comparison):
Saturn V cost per launch: $1.16B (adjusted)
Saturn V Height: 110.6 m (363.0 ft)
Saturn V Diameter: 10.1 m (33.0 ft)
Saturn V Mass: 2,970,000 kg (6,540,000 lb)
Saturn V Payload to LEO: 140,000 kg (310,000 lb)
Saturn V First stage engines: 5 Rocketdyne F-1
Saturn V Total thrust at Sea level: 35.1 MN (7,891,000 lbf)
Saturn V Specific impulse at Sea level: 263 seconds (2.58 km/s)
Saturn V First stage Burn time: 168 seconds
Saturn V First stage Fuel: RP-1 / LOX

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