J-2 Engine: Versatile Sidekick

J-2 Engine: Versatile Sidekick (HM2LYK)

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N 29° 33.268', W 95° 5.622'

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J-2 Engine: Versatile SidekickEngines like this J-2 powered stages 2 and 3 of the Saturn V.STAGE 2A cluster of five J-2 engines took over at an altitude of about 38 miles (61 km). The five J-2 engines boosted the rocket to 114.5 miles (184.3 km), speeding from 6,000 miles (9,700 km) to 15,300 miles (24,600 km) per hour. STAGE 3Unlike other liquid-fueled engines used in the Apollo program, J-2 engines could be restarted. This special capability was used on the Saturn V third stage. A single J-2 engine boosted the spacecraft into low-Earth orbit. After performance checks, the J-2 was reignited for translunar injection, a 6.5-minute burn which accelerated the vehicle on a course for the Moon. J-2 engines were used on the Saturn IB and Saturn V rockets for launches from the late 1960s through the mid-1970s. Saturn IB rockets were used for Apollo spacecraft tests, the three missions of Skylab, and the Apollo-Soyuz Test Project. Height: 11.1 feet (3.4 m) Diameter: 6.75 feet (2.05 m) Propellants: liquid hydrogen and liquid oxygenThrust: 230,000 pounds-force (1,023 kN)
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HM NumberHM2LYK
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Marker ConditionNo reports yet
Date Added Thursday, October 17th, 2019 at 11:01pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)15R E 297148 N 3271246
Decimal Degrees29.55446667, -95.09370000
Degrees and Decimal MinutesN 29° 33.268', W 95° 5.622'
Degrees, Minutes and Seconds29° 33' 16.08" N, 95° 5' 37.32" W
Driving DirectionsGoogle Maps
Which side of the road?Marker is on the right when traveling North
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