# ThrustCurve.org Full Index > The authoritative source for rocket motor thrust data and simulation files (.eng, .rse). Here you will find manufacturer specs, certified performance data and other info on commercial model rocket motors and high-power rocket motors. Most importantly, you can download thrust curves for use with rocket flight simulators (RockSim and OpenRocket among others). ## Motor Finding Features - [Search Motors](https://www.thrustcurve.org/motors/search.html): Traditional search based on name and other properties of rocket motors. - [Match a Rocket](https://www.thrustcurve.org/motors/guide.html): Enter simple information about your rocket and get a listing of the motors that work. - [Browse by Type](https://www.thrustcurve.org/motors/browser.html): Find motors of interest by successively narrowing down categories. - [Recent Updates](https://www.thrustcurve.org/motors/updates.html): See the most recent database updates. - [Most Popular](https://www.thrustcurve.org/motors/popular.html): See the motors other people are looking at and which are their favorite. ## General Motor Information - [ThrustCurve API](https://www.thrustcurve.org/info/api.html): Programmatic API for accessing manufacturer, motor and simulator file data. - [About this Site](https://www.thrustcurve.org/info/background.html): History and motivation for building and maintaining the site. - [Privacy Policy](https://www.thrustcurve.org/info/privacy.html): ThrustCurve.org does not share or monetize your data in any way. - [Motor Certification](https://www.thrustcurve.org/info/certification.html): History of the motor certification organizations. - [Contribute Data](https://www.thrustcurve.org/info/contribute.html): How to contribute motor simulation files. - [Rocket Motor Jargon](https://www.thrustcurve.org/info/glossary.html): A glossary of terms used on the site and are standard for the hobby. - [Motor Statistics](https://www.thrustcurve.org/info/motorstats.html): Explanation of the important characteristics of the performance of a motor. - [RASP File Format](https://www.thrustcurve.org/info/raspformat.html): Documentation of the oldest and most common simulation file format. - [Flight Simulation](https://www.thrustcurve.org/info/simulation.html): Explanation of how rocket flight simulation works. - [Flight Simulators](https://www.thrustcurve.org/info/simulators.html): A listing of flight simulator programs. - [Thrust Curve Tracer](https://www.thrustcurve.org/info/tctracer.html): An application that helps you create a RASP file from a printed thrust curve. - [Motor Manufacturers](https://www.thrustcurve.org/manufacturers): The list of active motor manufacturers. ## Motor Manufacturers - [AeroTech](https://www.thrustcurve.org/manufacturers/AeroTech/details.html): AeroTech - [AMW](https://www.thrustcurve.org/manufacturers/AMW/details.html): Animal Motor Works - [Apogee](https://www.thrustcurve.org/manufacturers/Apogee/details.html): Apogee Components - [Cesaroni](https://www.thrustcurve.org/manufacturers/Cesaroni/details.html): Cesaroni Technology - [Contrail](https://www.thrustcurve.org/manufacturers/Contrail/details.html): Contrail Rockets - [Estes](https://www.thrustcurve.org/manufacturers/Estes/details.html): Estes Industries - [Hypertek](https://www.thrustcurve.org/manufacturers/Hypertek/details.html): Hypertek - [Jambol](https://www.thrustcurve.org/manufacturers/Jambol/details.html): Jambol Jet - [Loki](https://www.thrustcurve.org/manufacturers/Loki/details.html): Loki Research - [TSP](https://www.thrustcurve.org/manufacturers/TSP/details.html): Piotr Tendera Rocket Motors - [Quest](https://www.thrustcurve.org/manufacturers/Quest/details.html): Quest Aerospace - [Klima](https://www.thrustcurve.org/manufacturers/Klima/details.html): Raketenmodellbau Klima - [Ultra](https://www.thrustcurve.org/manufacturers/Ultra/details.html): Ultra Energy Link - [ZEVETA](https://www.thrustcurve.org/manufacturers/ZEVETA/details.html): ZEVETA Bojkovice, a.s. See more at the [Motor Manufacturers page](https://www.thrustcurve.org/manufacturers/). ## Motor Impulse Classes - [A](https://www.thrustcurve.org/motors/search.html?impulseClass=A): search for A motors - [B](https://www.thrustcurve.org/motors/search.html?impulseClass=B): search for B motors - [C](https://www.thrustcurve.org/motors/search.html?impulseClass=C): search for C motors - [D](https://www.thrustcurve.org/motors/search.html?impulseClass=D): search for D motors - [E](https://www.thrustcurve.org/motors/search.html?impulseClass=E): search for E motors - [F](https://www.thrustcurve.org/motors/search.html?impulseClass=F): search for F motors - [G](https://www.thrustcurve.org/motors/search.html?impulseClass=G): search for G motors - [H](https://www.thrustcurve.org/motors/search.html?impulseClass=H): search for H motors - [I](https://www.thrustcurve.org/motors/search.html?impulseClass=I): search for I motors - [J](https://www.thrustcurve.org/motors/search.html?impulseClass=J): search for J motors - [K](https://www.thrustcurve.org/motors/search.html?impulseClass=K): search for K motors - [L](https://www.thrustcurve.org/motors/search.html?impulseClass=L): search for L motors - [M](https://www.thrustcurve.org/motors/search.html?impulseClass=M): search for M motors - [N](https://www.thrustcurve.org/motors/search.html?impulseClass=N): search for N motors - [O](https://www.thrustcurve.org/motors/search.html?impulseClass=O): search for O motors ## Most Popular Motors 1. [Estes A8](https://www.thrustcurve.org/motors/Estes/A8/): Estes Industries A8 single-use A motor. 2. [Estes C6](https://www.thrustcurve.org/motors/Estes/C6/): Estes Industries C6 single-use C motor. 3. [Estes D12](https://www.thrustcurve.org/motors/Estes/D12/): Estes Industries D12 single-use D motor. 4. [AeroTech G80](https://www.thrustcurve.org/motors/AeroTech/G80T/): AeroTech G80T single-use G motor. 5. [AeroTech H128](https://www.thrustcurve.org/motors/AeroTech/H128W/): AeroTech H128W reload H motor. 6. [AeroTech J350](https://www.thrustcurve.org/motors/AeroTech/J350W/): AeroTech J350W reload J motor. 7. [AeroTech K550](https://www.thrustcurve.org/motors/AeroTech/K550W/): AeroTech K550W reload K motor. 8. [Hypertek L550](https://www.thrustcurve.org/motors/Hypertek/1685CCRGL-L550/): Hypertek 1685CCRGL-L550 hybrid L motor. 9. [AeroTech M2500](https://www.thrustcurve.org/motors/AeroTech/M2500T/): AeroTech M2500T reload M motor. 10. [AeroTech M1850](https://www.thrustcurve.org/motors/AeroTech/M1850W/): AeroTech M1850W reload M motor. 11. [Cesaroni O8000](https://www.thrustcurve.org/motors/Cesaroni/40960O8000-P/): Cesaroni Technology 40960O8000-P reload O motor. 12. [AeroTech N3300](https://www.thrustcurve.org/motors/AeroTech/N3300R/): AeroTech N3300R reload N motor. 13. [Cesaroni N5800](https://www.thrustcurve.org/motors/Cesaroni/20146N5800-P/): Cesaroni Technology 20146N5800-P reload N motor. 14. [Cesaroni I140](https://www.thrustcurve.org/motors/Cesaroni/396I140-14A/): Cesaroni Technology 396I140-14A reload I motor. 15. [Estes E12](https://www.thrustcurve.org/motors/Estes/E12/): Estes Industries E12 single-use E motor. 16. [Cesaroni O3400](https://www.thrustcurve.org/motors/Cesaroni/21062O3400-P/): Cesaroni Technology 21062O3400-P reload O motor. 17. [AeroTech H135](https://www.thrustcurve.org/motors/AeroTech/HP-H135W/): AeroTech HP-H135W single-use H motor. 18. [Estes F15](https://www.thrustcurve.org/motors/Estes/F15/): Estes Industries F15 single-use F motor. 19. [AeroTech L1000](https://www.thrustcurve.org/motors/AeroTech/HP-L1000W/): AeroTech HP-L1000W single-use L motor. 20. [AeroTech H100](https://www.thrustcurve.org/motors/AeroTech/H100W_DMS/): AeroTech H100W_DMS single-use H motor. 21. [AeroTech L1256](https://www.thrustcurve.org/motors/AeroTech/L1256WS/): AeroTech L1256WS reload L motor. 22. [AeroTech O5500](https://www.thrustcurve.org/motors/AeroTech/O5500X-PS/): AeroTech O5500X-PS single-use O motor. 23. [AeroTech H13](https://www.thrustcurve.org/motors/AeroTech/H13ST/): AeroTech H13ST single-use H motor. 24. [Klima D9](https://www.thrustcurve.org/motors/Klima/D9/): Raketenmodellbau Klima D9 single-use D motor. 25. [AeroTech O6000](https://www.thrustcurve.org/motors/AeroTech/O6000W/): AeroTech O6000W single-use O motor. See more at the [Popular Motors page](https://www.thrustcurve.org/motors/popular.html).