Difference between revisions of "LFB KR-1x2 "Twin-Boar" Liquid Fuel Engine"
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The '''LFB KR-1x2''' is the first part which contains both a [[liquid fuel tank]] and a [[liquid fuel engine]]. Usually only [[solid rocket booster]]s using [[solid fuel]] contain both, because solid fuel can't be transferred. Unlike solid rocket boosters this liquid fuel booster can run longer by pumping additional liquid fuel and oxidizer to the part. It can also be throttled. | The '''LFB KR-1x2''' is the first part which contains both a [[liquid fuel tank]] and a [[liquid fuel engine]]. Usually only [[solid rocket booster]]s using [[solid fuel]] contain both, because solid fuel can't be transferred. Unlike solid rocket boosters this liquid fuel booster can run longer by pumping additional liquid fuel and oxidizer to the part. It can also be throttled. | ||
| − | This booster contains two engines at the bottom which are added radially, so the base of the booster is wider than a usual large tank. It also | + | This booster contains two engines at the bottom which are added radially, so the base of the booster is wider than a usual large tank. It also does not allow any parts to be attached below it. It contains the same amount of fuel as the [[Rockomax Jumbo-64 Fuel Tank]]. The thrust is higher than the [[Rockomax "Mainsail" Liquid Engine]], and is thus the most powerful large-sized engine. Its [[specific impulse|I<sub>sp</sub>]] is also higher than that of the Mainsail. Even in-atmosphere, the booster's engines have an [[specific impulse|I<sub>sp</sub>]] which is only 10 seconds below that of the in-vacuum [[specific impulse|I<sub>sp</sub>]] of the Mainsail. |
This combination of higher [[specific impulse|I<sub>sp</sub>]] and thrust for the same mass allows this engine to be a drop-in replacement for any places where a Mainsail + orange tank combination is used. Additional fuel can be stacked above the booster as desired. | This combination of higher [[specific impulse|I<sub>sp</sub>]] and thrust for the same mass allows this engine to be a drop-in replacement for any places where a Mainsail + orange tank combination is used. Additional fuel can be stacked above the booster as desired. | ||
Revision as of 05:29, 1 May 2014
| LFB KR-1x2 "Twin-Boar" Liquid Fuel Engine | ||
 | ||
| Liquid fuel engine by Kerbodyne | ||
| Radial size | Large, Radial mounted | |
| Cost | (total) | 17 000.00 
|
| (dry) | 14 062.40
| |
| Mass | (total) | 42.500 t |
| (dry) | 10.500 t | |
| Drag | 0.2 | |
| Max. Temp. | 2000 K | |
| Impact Tolerance | 20 m/s | |
| Research |  Heavier Rocketry
| |
| Unlock cost | 65 000
| |
| Since version | 0.23.5 | |
| Part configuration | part.cfg | |
| Maximum thrust | (1 atm) | 1 866.67 kN |
| (vacuum) | 2 000.00 kN | |
| Isp | (1 atm) | 280 s |
| (vacuum) | 300 s | |
| Fuel consumption | 135.96  /s
| |
| Thrust vectoring | 1.5 ° | |
| Testing Environments | ||
| On the surface | Yes | |
| In the ocean | Yes | |
| On the launchpad | Yes | |
| In the atmosphere | Yes | |
| Sub-orbital | Yes | |
| In an orbit | Yes | |
| On an escape | Yes | |
| Docked | No | |
| Test by staging | Yes | |
| Manually testable | Yes | |
| Liquid fuel | 2 880
| |
| Oxidizer | 3 520
| |
The LFB KR-1x2 is the first part which contains both a liquid fuel tank and a liquid fuel engine. Usually only solid rocket boosters using solid fuel contain both, because solid fuel can't be transferred. Unlike solid rocket boosters this liquid fuel booster can run longer by pumping additional liquid fuel and oxidizer to the part. It can also be throttled.
This booster contains two engines at the bottom which are added radially, so the base of the booster is wider than a usual large tank. It also does not allow any parts to be attached below it. It contains the same amount of fuel as the Rockomax Jumbo-64 Fuel Tank. The thrust is higher than the Rockomax "Mainsail" Liquid Engine, and is thus the most powerful large-sized engine. Its Isp is also higher than that of the Mainsail. Even in-atmosphere, the booster's engines have an Isp which is only 10 seconds below that of the in-vacuum Isp of the Mainsail.
This combination of higher Isp and thrust for the same mass allows this engine to be a drop-in replacement for any places where a Mainsail + orange tank combination is used. Additional fuel can be stacked above the booster as desired.
Manufacturer's description
| “ | This liquid fuel booster system was designed to allow for finer control of launches instead of relying solely on single engine solid rocket boosters it employs two modified KR-1 engines as the source of its immense lifting power. — Kerbodyne |
” |
Changes
- Initial release
