Modular rocket

Modular rocket
A Delta IV Heavy, featuring three Common Booster Cores; one used as the first stage and two as boosters.

A modular rocket is a type of multistage rocket which features components that can be interchanged for specific mission requirements. Several such rockets use similar concepts such as unified modules to minimize expenses on manufacturing, transportation and for optimization of support infrastructure for flight preparations.

Contents

Examples

Atlas V

See also: Common Core Booster and Atlas V

The Atlas V expendable launch system uses the liquid fuelled Common Core Booster as its first stage. In most configurations a single CCB is used with strap-on solid rocket boosters. For heavier loads three CCBs can be strapped together in the first stage. The Common Core Booster utilizes the Russian made RD-180 burning RP-1 fuel with liquid oxygen producing a thrust of 3.8 MN. The liquid propellant tanks use an isogrid design for strength, replacing previous Atlas tank designs which were pressure stabilized.[1]

The length of the common core booster is 89 feet tall (27 meters), and has a diameter of 12.5 feet.[2]

Delta IV

See also: Common Booster Core and Delta IV

The Common Booster Core the first stage of the Delta IV rocket. One or three liquid fuel modules can be used as the first stage. It uses the Rocketdyne RS-68 engine and burns liquid hydrogen with liquid oxygen producing a thrust of 2.9 MN.

Angara

See also: Angara (rocket family)

The Universal Rocket Module (URM) is the modular liquid fuelled first stage of the Angara expendable launch system. Depending on the configuration, the first stage can consist of 1, 3, 5 or 7 URMs. Each URM uses a Russian-made RD-191 engine burning RP-1 fuel with liquid oxygen producing a thrust of 1.92 MN.[3]

Falcon 9

See also: Falcon 9

The Falcon 9 Core[citation needed] is used as the first stage on the Falcon 9 class launch vehicle. The Falcon 9 Heavy consisting of a standard Falcon 9 with two additional Falcon 9 core stages acting as liquid strap-on boosters. Each core is powered by 9 Merlin 1C engines burning RP-1 fuel with liquid oxygen producing almost 4.1 MN. The cores are being designed to be reuseable.

See also

External links

Notes

  1. ^ Launch Vehicles, Lockheed Martin
  2. ^ Lockheed Martin Names New Rocket Atlas V, Lockheed Martin
  3. ^ Rocket family «Angara», Khrunichev State Research and Production Space Center
  4. ^ Universal Rocket series was a soviet project of unified rocket systems (military & civilian), UR-700 project was supposed to use liquid fuel boosters with similar design to its first stage.



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