Jericho, rocket made by 30 student volunteers


My name is Syed Affan, and I am a student at Vellore Institute of Technology. I represent a Discord server community of 200+ passionate rocketeers called "Rocketry-India." Our server brings together emerging hobbyists in India to connect, assist each other, and foster growth.


We are on a mission to establish a vibrant and inclusive community exclusively for Indian rocketeers, uniting passionate individuals who have emerged across the country despite limited rocketry support. Our vision is to promote collaboration, mentorship, and the exchange of thrilling experiences within this community. To achieve this, we plan to launch a community-built rocket, igniting interest in model rocketry and space STEM among Indian hobbyists. Our grand event will gather volunteering members to construct an advanced high-powered rocket, with remote participation opportunities for design and software work. We aim to reach a minimum apogee of 1km with member payloads not exceeding 250 grams. This non-profit initiative will include educational workshops to equip members with essential knowledge and skills. We aspire to collaborate with Indian companies to facilitate this event and explore the possibility of making it an annual tradition, ultimately transforming it into India's first amateur model rocketry club similar to Tripoli or NAR in the US. The timeline for our ambitious venture spans from August 2023 to December 2024, divided into three phases: remote work, subcomponent testing and validation, and offline assembly with traveling volunteers. This event aims to catalyze a new era of model rocketry in India and inspire a generation of rocket enthusiasts.

Rocket Specifications:

The name “Jericho” is very special to our team as we all are big time Iron man fans, as well as Jericho translates to “city of moon” which beautifully explains the future scope with this small step towards this initiative. We are preparing to launch our rocket powered by an I-409 KNDX rocket motor. Our mission is to reach a 1km altitude and safely descend to the surface, aided by a carefully deployed parachute housed inside the rocket. Based on our latest simulations, the rocket is expected to achieve a remarkable speed of 0.65 times the speed of sound, equivalent to 0.65 Mach.

Our rocket will be equipped with onboard cameras and sophisticated integrated circuits, including a flight computer and two community payloads (150 grams and 100 grams) one right below the flight computer for the rocket and one sitting inside the nosecone, enabling us to capture the journey and collect valuable data. The rocket will stand at a height of 1 meter, ready for this exciting adventure. Notably, our parachute ejection system will be electrically actuated by a linear actuator, ensuring precise and controlled descent.

please refer to this OpenRocket snapshot for further details:

Materials used on the rocket:

1)fins: fibre glass

2)centering rings, nose cone and other holders: 3d printed PETG

3)parachute and line: nylon

4) body tube: acrylic

Motor Specifications:

Our rocket's actual simulation utilizes an I-490 motor, but the manufactured motor will be an I-340 to account for any overperformance. The solid propellant used is KNDX, formulated in accordance with Richard Nakka's specifications. The motor assembly measures 14 inches in length and has a 40mm diameter. The chamber casing is constructed from Aluminum 6061 T6, and the nozzle is made of isostatic graphite, ensuring the propulsion system's robustness and reliability. Our approach prioritizes safety and precision in propellant selection and motor construction, ensuring a successful and secure rocket launch.

please refer to the below BurnSim snapshot for more details, and also wireframe drawing of the motor hardware for better understanding of the motor:

The Flight Computer:

We call it "Siddha," which translates to "perfect" in Tamil. Our PCB is optimized precisely according to the mission parameters. We use BMP390 as our altimeter and LSM6DSO as our IMU. The peripherals include an RGB LED and buzzer. All data is stored in a flash chip, specifically the W25Q128. For redundancy, we also store data on an SD card, ensuring data retrieval under various circumstances. The entire PCB operates on a Teensy LC microcontroller by PJRC. For more details, please refer to the BOM list uploaded with this post.

Avionics bay with the linear actuator used:


at last I will would like to extend my gratitude to PCBWAY for giving us this opportunity and would like to get in touch with them soon and discuss about this project further with them! as we are heavily relying on printed parts, pcbs and machined parts PCBWAY is the perfect sponsor for us. we wish to collaborate with them soon!

As a sponsor, your brand logo will prominently feature in event promotions, presentations, and media coverage, giving you unparalleled visibility to a niche and engaged audience. Imagine your logo soaring into the skies alongside our rockets, leaving a lasting impact on attendees and online viewers alike. Beyond logo placements, we're open to tailoring our collaboration to fit your brand's unique goals, whether it's hosting a workshop, offering exclusive discounts, or running engaging contests for our members.

Rocketry India is not just about rockets; it's about a community driven by passion and curiosity. By aligning your brand with our event, you're not only showcasing your support for innovation but also connecting with a group of individuals who share your enthusiasm for pushing boundaries and exploring new horizons.

Fom the loving team

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Oct 17,2023
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