ThrustCurve provides model and high-power hobby rocket motor data, including manufacturer specifications and certified performance.
eCalc
vsHalf Cat Rocketry
eCalc vs Half Cat Rocketry
How do eCalc and Half Cat Rocketry compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | eCalc | Half Cat Rocketry |
|---|---|---|
| What it is | eCalc simulates electric drives for radio-controlled models and helps users select motors and components. | Half Cat Rocketry shares open-source liquid rocket motor information and resources for amateur rocketry. |
| Website | ||
| Type | Website | Website |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Web | Web |
| Open source | Not stated | Not stated |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both eCalc and Half Cat Rocketry.
openMotor simulates internal rocket motor ballistics, estimating chamber pressure and thrust from propellant, grain geometry, and nozzle details.
Open source
24 alternativesJohn Coker shares information about model and high-power rocketry through his rocketry site.
The OpenRocket wiki provides collaboratively written documentation for the open-source model rocket simulator.
OpenRocket is model rocket simulation software with a download and information about supported operating systems.
Free
24 alternatives




