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Apollo rocket engines recovered from the Atlantic abyss

The F-1 engines are from the first stage of a Saturn rocket, some of which powered the Apollo space flights that took the first humans to the moon.
Credit:   Handout Bezos Expeditions
The two recovered engines will now be restored and put on public display.
Bezos Expenditions  |  Bezos Expenditions    |   03-23-2013
Two long-lost engines from Apollo-era rockets have been hauled from a depth of more than 4km in the Atlantic Ocean by Bezos Expeditions, run by Amazon founder Jeff Bezos.

I was five years old when I watched Apollo 11 unfold on television, and without any doubt it was a big contributor to my passions for science, engineering, and exploration

—Jeff Bezos, Amazon founder

The F-1 was a workhorse engine for the US space agency NASA as the most powerful single-chamber liquid-fuelled engine ever developed.

Because the engines' serial numbers are partially missing, it remains unclear which Apollo mission they are from - that may become clearer during restoration.

The F-1 engines were designed by Boeing subsidiary Rocketdyne to power the 138-foot-tall, Boeing-built first stage of the Saturn V rockets used for the Apollo and Skylab missions from 1967 to 1973. The Saturn V's S-IC engines originally had four F-1 engines that could be hydraulically gimballed to control the rocket, but a fifth, fixed F-1 was added on later Apollo missions to add more thrust to compensate for heavier payloads.

From the Apollo 9 mission on, they burned for roughly 165 seconds after launch to take the Saturn V to a height of about 40 miles above sea level, producing 1,525,000 pound-force (lbf) of thrust apiece, or about 7,500,000 lbf altogether when all five were firing.

Primary source ► Bezos Expenditions
Further reading ►
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Apollo 11 Launch. The first stage was powered by five massive F-1 Rocket engines
Primary source ► Bezos Expenditions
Further reading ►

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