Project Horizon

About this project

Project Horizon features a powerful hobby rocket controlled by Dobsinalia’s Alticraft Flight Data Recorder. The rocket is powered by the Lava 2 Rocket Engine, which is designed to provide immense thrust to propel the craft hundreds of meters high. Upon reaching peak altitude, the Alticraft FDR automatically deploys a parachute, which helps bring back the full rocket assembly in a refurbishable state.

Project progress

Design phase
100%
Assembly and test phase
8%

Project Horizon has been currently put on hold due to the unavailability of members to work on the project.

Lava 2 Rocket Motor specifications

  • Main characteristics

    Class K 1031 KNDX fueled rocket engine designed to be the main propulsion element of the single-stage Horizon Rocket.

  • Weight

    Dry weight of 1.4 kg, predicted total weight of aprx. 2.5 kg.

  • Thrust

    Predicted thrust of 1024 N with a peak of 1170 N. Predicted impulse 1421 Ns with an ISP of 136.7 seconds.

  • Firing time

    Predicted firing time of 1.388 seconds.

Lava 2 Rocket Motor Documentation

The Lava 2 Documentation serves as a guideline document containing all necessary information for manufacturing the rocket motor. All design considerations are precisely documented with knowledge sources listed. The process through which the components and materials of the rocket were determined is also well documented in the paper.

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Lava 2 Rocket Motor

The Lava 2 Rocket Motor was conceived with the end goal of propelling the payload to staggering heights while keeping high performance and efficiency in mind. Careful material science research was conducted to determine the steel alloys necessary for the motor’s casing, bulkhead, and nozzle. The size of the chamber, angles, and geometry of the nozzle, furthermore the wall thickness of the casing, the number of screws, and O-rings were all important considerations of the design.

Parachute ejection system

Upon reaching the maximum height, the Alticraft Flight Data Recorder automatically triggers a servo motor, which ejects the parachute. The parachute is released by a powerful spring, which gets unlocked by the rotation of the servo motor. This system ensures that the complete Horizon Rocket lands safely back on the ground and allows its components to be reused for further launches.

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