Falcon XX
| Function | Re-usable orbital launch vehicle |
|---|---|
| Manufacturer | SpaceX |
| Country of origin | United States |
| Size | |
| Height | 345 ft (105 m) |
| Diameter | 10.0 m (32.8 ft) |
| Stages | 2 |
| Capacity | |
| Payload to LEO | 140,000 kg (310,000 lb) |
| Launch history | |
| Status | Canceled |
The Falcon XX is a conceptual spaceflight launch system that would use a new conceptual ""Merlin 2" rocket engine designed and manufactured by SpaceX.[1]
As of August 2010[update], and like the Falcon 1 and Falcon 9, the first stage of the two-stage-to-orbit vehicle would use liquid oxygen (LOX) and rocket-grade kerosene (RP-1) propellants and is intended to be reusable.[2][verification needed]
SpaceX is considering the use of nuclear thermal rockets to power the second stage,[verification needed] possibly through a reinvigoration of the 1960s-era Project NERVA.[1]
Multiple variants have been conceived[1] with payloads of up to 140,000 kg to low Earth orbit placing the Falcon XX design in the super heavy-lift range of launch systems.[3][better source needed][verification needed]
Launcher versions
| Version | Falcon X | Falcon X Heavy | Falcon XX |
|---|---|---|---|
| Stage 0 | — | 2 boosters with 3 × Merlin 2 each | — |
| Stage 1 | 3 × Merlin 2 | 3 × Merlin 2 | 6 × Merlin 2 |
| Stage 2 | 1 × Raptor | 1 × Raptor | 1 × ? |
| Height (max; m) |
~55 | ~55 | ~105 |
| Diameter (m) |
6 | 6 | 10 |
| Initial thrust (lb-f) |
3.6M | 10.8M | 10.2M |
| Takeoff weight (tonnes) |
? | ? | ? |
| Fairing diameter (Inner; m) |
8 | 8 | 10 |
| Payload (LEO; kg) |
38,000 | 125,000 | 140,000 |
| Success ratio (successful/total) |
- | - | - |
References
- ↑ 1.0 1.1 1.2 "Will a Commercial Flight be First To Mars?". Discovery. Archived from the original on 9 May 2015.
- ↑ Musk ambition: SpaceX aim for fully reusable Falcon 9, NASAspaceflight.com, 2009-01-12, accessed 2010-06-03. E. Musk Quotation: "By flight six we think it’s highly likely we’ll recover the first stage, and when we get it back we’ll see what survived through re-entry, and what got fried, and carry on with the process. ... That's just to make the first stage reusable, it'll be even harder with the second stage – which has got to have a full heatshield, it'll have to have deorbit propulsion and communication."
- ↑ "July 28 SpaceX presentations: Merlin 2, Falcon HLVs, Raptor, methane Merlin, etc". NASA Space Flight. Retrieved 30 July 2010.
See also
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Italics indicate unflown vehicles or engines and future missions or sites. † denotes failed missions, destroyed vehicles and abandoned sites. | ||||||||||||||||||||||
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