There's no definitive answer to this question as the best dimensions for a rocket stove will depend on a number of factors, including the size and type of fuel you're using, the amount of heat you need and the space you have available. However, there are some general guidelines you can follow when designing or choosing a rocket stove.
The first thing to consider is the kind of fuel you'll be using. If you're burning wood, it's important to have a large enough firebox to accommodate logs up to 18 inches in length. If you're burning smaller pieces of wood or other biomass, such as twigs or pelletized fuels, then a smaller firebox will suffice.
Next, think about how much heat you need from your rocket stove. If you're just looking to boil water or cook simple meals, then a smaller unit will likely do the trick. But if you want to use it for more intensive tasks like baking bread or melting metals, then you'll need a larger model that can generate more heat.
Finally, take into account the space constraints in your home or workspace. A larger rocket stove will obviously take up more room than a smaller one, so make sure you have enough space to accommodate it before making your purchase.
With these things in mind, here are some rough dimensions to look for when choosing or building a rocket stove:
- The firebox should be at least 8 inches deep and 10 inches wide
- The combustion chamber should be at least 12 inches deep and 14 inches wide