Kerbodyne KE-1 "Mastodon" Liquid Fuel Engine
 | Available only with the Making History Expansion installed. |
| Kerbodyne KE-1 "Mastodon" Liquid Fuel Engine | ||
 | ||
| Liquid fuel engine by Kerbodyne | ||
| Radial size | Small, Medium, Large, Radial mounted | |
| Cost | (total) | 8 000.00 
|
| Mass | (total) | 5.000 t |
| Drag | 0.3-0.2 | |
| Max. Temp. | 2000 K | |
| Impact Tolerance | 15 m/s | |
| Research |  Very Heavy Rocketry
| |
| Unlock cost | 32 000
| |
| Since version | 1.4.1 | |
| Part configuration | LiquidEngineKE-1.cfg | |
| Maximum thrust | (1 atm) | 1 283.61 kN |
| (vacuum) | 1 350.00 kN | |
| Isp | (1 atm) | 290 s |
| (vacuum) | 305 s | |
| Fuel consumption | 90.27  /s
| |
| Thrust vectoring | 5 ° | |
| Electricity generated | 8.0 ⚡/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 | No | |
| Test by staging | Yes | |
| Manually testable | Yes | |
The Kerbodyne KE-1 "Mastodon" Liquid Fuel Engine is a powerful size large engine appropriate for first stages.
Usage
The Mastodon has the second-highest thrust-to-weight ratio of any liquid fuel engine in the game, trailing only the "Twin-Boar", which has the highest after subtracting away the integrated fuel tank.
The Mastodon has 90%-93% of the thrust of the Mainsail, but only 83% of the Mainsail's weight and 62% of its cost. So it is often an effective replacement for the Mainsail.
Because the Mastodon can be independently mounted, clusters of this engine are an ideal way to lift extremely heavy payloads, such as 5-9 mounted on the Kerbodyne Engine Cluster Adapter Tank.
Product description
| “ | Considered to be the behemoth of rocket technology, this propulsion system is the pinnacle of power. — Kerbodyne |
” |
Variants
As of version 1.4.1 this engine has three models that can be switched in the editor.
Trivia
Real-world comparison
The engine was inspired by the American Rocketdyne F-1 engine used on the Saturn V. The engine is also featured in the stock Acapello vessel.
Changes
- Decreased unlock cost from 135000 to 32000
- Decreased cost from 22000 to 8000
- Increased crash tolerance from 6 to 15
- Increased EC generation from 3 to 8
- Improved Isp
- Added ModuleTestSubject
- Initial Release
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