Difference between revisions of "Launch Escape System"
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| − | The '''Launch Escape System''' (abbr. '''LES''') is a tower which can be placed above a command pod to safely pull the crew off a rocket in case of an emergency. It behaves like a [[solid rocket booster]] as it is | + | The '''Launch Escape System''' (abbr. '''LES''') is a tower which can be placed above a command pod to safely pull the crew off a rocket in case of an emergency. It behaves like a [[solid rocket booster]] as it is fueled by [[solid fuel]] and that it can only be activated once. Compared to other solid fuel boosters, the LES has high thrust and high efficiency. The thrust is slightly tilted to steer sideways and clear the rest of the rocket. |
Due to the low amount of solid fuel it only fires for five seconds but because it usually only pulls itself, some accessories like [[parachute]]s and a command pod the [[thrust-to-weight ratio]] is high. For example a combination of one [[Mk1-2 Command Pod]], for which the LES fits the best, two [[Mk2-R Radial-Mount Parachute]] and the LES itself only mass 5.38 t which results in thrust-to-weight ratio of 14 on [[Kerbin]]. | Due to the low amount of solid fuel it only fires for five seconds but because it usually only pulls itself, some accessories like [[parachute]]s and a command pod the [[thrust-to-weight ratio]] is high. For example a combination of one [[Mk1-2 Command Pod]], for which the LES fits the best, two [[Mk2-R Radial-Mount Parachute]] and the LES itself only mass 5.38 t which results in thrust-to-weight ratio of 14 on [[Kerbin]]. | ||
Revision as of 21:48, 27 May 2014
| Launch Escape System | ||
 | ||
| Launch Escape System by Kerbodyne | ||
| Radial size | Small | |
| Cost | (total) | 1 000.00 
|
| (dry) | 982.00
| |
| Mass | (total) | 1.125 t |
| (dry) | 0.900 t | |
| Drag | 0.2-0.3 | |
| Max. Temp. | 2700 K | |
| Impact Tolerance | 15 m/s | |
| Research |  Landing
| |
| Unlock cost | 4 500
| |
| Since version | 0.23.5 | |
| Part configuration | part.cfg | |
| Maximum thrust | (1 atm) | 666.67 kN |
| (vacuum) | 750.00 kN | |
| Isp | (1 atm) | 160 s |
| (vacuum) | 180 s | |
| Fuel consumption | 56.65  /s
| |
| Thrust vectoring | No | |
| Burn time | (1 atm) | 0.5 s |
| (vacuum) | 0.5 s | |
| 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 | Yes | |
| Test by staging | Yes | |
| Manually testable | No | |
| Packed volume | None | |
| Solid fuel | 30
| |
The Launch Escape System (abbr. LES) is a tower which can be placed above a command pod to safely pull the crew off a rocket in case of an emergency. It behaves like a solid rocket booster as it is fueled by solid fuel and that it can only be activated once. Compared to other solid fuel boosters, the LES has high thrust and high efficiency. The thrust is slightly tilted to steer sideways and clear the rest of the rocket.
Due to the low amount of solid fuel it only fires for five seconds but because it usually only pulls itself, some accessories like parachutes and a command pod the thrust-to-weight ratio is high. For example a combination of one Mk1-2 Command Pod, for which the LES fits the best, two Mk2-R Radial-Mount Parachute and the LES itself only mass 5.38 t which results in thrust-to-weight ratio of 14 on Kerbin.
Manufacturer's description
| “ | This super heavy tower is designed to wrench the command pod up and away from a malfunctioning rocket. — Kerbodyne |
” |
Changes
- Initial release
See also
- Launch escape system on Wikipedia
