To lower the cost of operation, the rocket itself was launched from the ocean, requiring little in the way of support systems. Truax had already experimented with this basic syst… Bonus - it was meant to … Although preliminary engineering of the design was done by TRW, the project never moved forward due to the closing of NASA's Future Projects Branch. This was the only site on the continental United States that could launch directly into a polar orbit without overflying populated areas (and was later incorporated into Vandenberg). This meant accepting a larger booster with a lower performance propulsion system and higher stage dead weight then traditional NASA and USAF designs. Development costs would be large and the cost of building, transporting, and launching it would probably prevent it from being built. This concept was later fully developed under the solid rocket Peacekeeper program. The complete vehicle was 23 m in diameter and 150 m long.

90 views TRW fully confirmed Aerojet's costs and engineering, a great surprise to both TRW and NASA. Launch Price $: … The concept was proven with tests of the earlier Sea Bee and Sea Horse vehicles. The second stage was �considerably smaller' (thrust only 6.35 million kgf!) The all-up weight was 18,000 metric tons. Losses due to gravity and drag were minimized by the high 2:1 thrust-to-weight ratio and low drag losses (deceleration at max q was about 0.2 G's ) resulting from the large size of the booster. The rocket would then be towed to a launch site, where the LOX and LH2 would be generated on-site using The rocket would have been able to carry a payload of up to 550 tonnes (540 long tons; 610 short tons) or 550,000 kilograms (1,210,000 lb)The Sea Dragon appears in the season finale of the 2019 Sea Dragon internal and external views. For other uses, see Sea Horse demonstrated sea-launch at a larger scale and on a rocket with a complex set of guidance and control systems. Stage two had a burn time of 260 seconds and a low constant combustion chamber pressure of 7 atmospheres.

1 – Design, A large ballast tank system attached to the bottom of the first-stage engine bellwas used to "hoist" the rocket vertical for launch. ’s Starship/Super Heavy rocket ship will be 387 feet high, be 30 feet in diameter, and able to launch 100 metric tons into low Earth orbit. But this came just as Apollo was being cut back and the Viet Nam war was eating an ever greater amount of the US budget. An This article is about the 1962 rocket concept. It would then be filled with cryogenic liquid oxygen and hydrogen from tankers or produced by electrolysis of sea water by a nuclear aircraft carrier (such as the CVN Enterprise in the painting).

Trivia Edit. Many thanks to Mark C Goll for providing some of the materials on which this article was based. This increased the area ratio of the nozzle from 7:1 to 27:1 when deployed. The largest rocket design I know of - though it was never fully worked out - was 202 ft / 62 meters in diameter. It would be amazing, but I don't think anyone will build it.
The design was reviewed with Todd Shipyards, who concluded that it was well within their capabilities, and not too unlike making a submarine hull. The launch vehicle would be fuelled with RP-1 kerosene in port, then towed horizontally to a launch point in the open ocean. By burnout 81 seconds later combustion chamber pressure had declined to 14 atmospheres, kerosene feed pressure to 20 atmospheres, and liquid oxygen pressure to 8.5 atmospheres. January 1963 The RP-1 and nitrogen would also be loaded at this point.

It used a surplus 9,000 kgf (20,000 lbf; 88,000 N) pressure fed, acid/aniline "Study of Large Sea-Launch Space Vehicle," Contract NAS8-2599, Space Technology Laboratories, Inc./Aerojet General Corporation Report #8659-6058-RU-000, Vol. Costs to low earth orbit were estimated to be between $60/kg and $600/kg - eg one fourth that of the Saturn V or less. A significant feature of the concept was the use of an expandable nozzle exit cone. The rocket stood 94.3 feet (28.7 metres), had a diameter of 10 feet (3 meters), and a payload capacity of 3,000 pounds (1,360 kg). At ignition, combustion chamber pressure was 20 atmospheres, and kerosene was forced into the chamber at a pressure of 32 atmospheres and liquid oxygen at 17 atmospheres. The Sea Dragon was designed in 1962 to serve as a low-cost heavy launcher, commonly known as a "big dumb booster". Aerojet was considering purchasing Sudden Ranch as a launch site for Sea Dragon.
Prospects for Sea Dragon essentially disappeared, and Aerojet could no longer fund it on IR&D.Many thanks to Mark C Goll for providing some of the materials on which this article was based.Sea Dragon was a two-stage design capable of putting 550 tonnes into low Earth orbit. A two-stage rocket, the Sea Dragon was, on paper at least, capable of "putting 1.2 million pounds (550 metric tons) into low Earth orbit," according …

In this orientation the payload at the top of the second stage was just above the waterline, making it easy to access. Truax's basic idea was to produce a low-cost heavy launcher, a concept now called "The first stage was to be powered by a single enormous 36,000,000 kgf (350 MN; 79,000,000 lbf) thrust engine burning The second stage was also equipped with a single very large engine, in this case a 6,000,000 kgf (59 MN; 13,000,000 lbf) thrust engine burning A typical launch sequence would start with the rocket being refurbished and mated to its cargo and ballast tanks on shore. After fuelling, the tanks at the launcher base would be flooded, and the vehicle would reach a vertical position in the open ocean. The stage achieved a total delta V of 5.8 km/second, shutting down at orbital velocity at an altitude of 230 km and 940 km downrange from the launch point. A 1962 design proposal, Sea Dragon, called for an enormous 150 m (490 ft) tall, sea-launched rocket capable of lifting 550 t (1,210,000 lb) to low Earth orbit. The Soviets were still using rockets in the R-7 family that had launched both Sputnik in 1957 and Yuri Gagarin in 1961. This property included several kilometers of coastline between Santa Barbara and Vandenberg AFB. Both show the ballast tank attached to the first stage engine bell.


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