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Hi, First, best wishes for the new year. Today I publish a new version of METEOR. You can now use many different grains configuration (hollow cylinder, finocyl, star and end burner). Let me remind you that: you can also use your own propellant. export the motor result in RASP format (to use...

Hi everyone, I decided to work on METEOR to add new grain configuration. Can you help me with this poll? I will prioritize the new configuration based on the poll results.

Hi, I recently finished my new home made rocket. I have use Openrocket for the first time to check is everything is OK. I read in the "Handbook of model rocketry" that one-calidber is enough and 2 to 3 caliber can be overstable. I found a stability of 1.94 caliber. I think that it's...

Few words to introduce my launch system. The aim was to have an autonomous rocket that can start and check all of their sytems (communication, ignition system, gps tracking and ejection charge). If anything goes wrong the rocket abort the launch process. I can also cancel the flight manually. If...

Hi, Today I have publish a new version of METEOR. You can export the result in RASP format to use it with OpenRocket or any compatible app.

I made this project to upgrade my first rocket. All was made with Adafruit components (Feather M0, BNO055 and MPL311A2). Data recorded : altitude yaw pict roll X, Y and Z acceleration battery voltage The global cost is around 80$. I can share the source code and other resources if needed...

Yesterday we have added a new feature to allow you to add your own propellant. We also plan to add a new feature to use burn rate coefficient and exponent that varied from chamber pressure. As always, all feedback are very important for us, because It helps to: provide more useful...

Hello, With the help of a friend I have developed a free web application to design rocket motor (totally free and without registration), see: https://meteor.open-sky.fr You can see a demo here : https://meteor.open-sky.fr/#/demo The next release will allow users to set use their own...

Hello, I would like to have some opinions on predicting engine performance. Especially about the use of Burnsim. Are the data displayed such as kn, pressure and mass flow rate are useful? Isn't the thrust curve enough? Do you use the propellants provided by the software, or have some of you...

Hi, everyone, With the help of a friend I developed a free web application to design rocket engine. This application uses the same calculation model as Richard Nakka's SRM Excel file. Would any of you be motivated to test it and give me feedback? What is missing, improvements, ... The...