• Users often want to capture excess heat from burning wood … [Read More]

    Wood Heat Storage – Flues vs. Bells
  • Rocket heaters work efficiently, in large part, because they … [Read More]

    Installing Rocket Heaters Safely
  • The Dragon Heater masonry oven was tested with a 6" Dragon … [Read More]

    Rocket Masonry Heater Oven
  • This is a 4" Castle Build painted with High Temperature … [Read More]

    Painting Flues
  • This 6" Dragon heater is in a small 2 floor apartment, so … [Read More]

    6″ Castle Stair Build
  • Here is a short video of the construction with pictures of … [Read More]

    Derrick – 8″ Rocket Masonry Heater – Part 2 Data Log 3 Hour Burn

Recent Posts

Double Bell

Wood Heat Storage – Flues vs. Bells

Users often want to capture excess heat from burning wood and then have it gradually released later, overnight for example, when no one is tending the fire. One of the simplest ways to do this is by heating a significant amount of thermal mass (water, clay or “cob”, brick or stone), from the exhaust after […]

Installing Rocket Heaters Safely

Rocket heaters work efficiently, in large part, because they maintain very high temperatures 1,200°-2,000°F in two sequential combustion chambers. This helps insure that all the volatiles and most of the particles are consumed.  The first and hottest combustion chamber is also usually located close to the ground. This means it is critical that the burn […]

Dragon Heater Masonry Rocket Heater Oven for Rocket Stoves

Rocket Masonry Heater Oven

The Dragon Heater masonry oven was tested with a 6″ Dragon Heater in the stair castle build. It  demonstrated; Even Heating Temperatures to 560F Ability to maintain a given temperature Quick recovery after opening the door This oven has a 12V light kit, door and stainless steel rail for hanging an oven thermometer. It is also […]

Small masonry heater made with rocket heater core and chimney flues

Painting Flues

This is a 4″ Castle Build painted with High Temperature Paint.  Using high temperature paint is an inexpensive way to finish off a castle build. We added some red caps to give it a little punch. The flues can be painted a large variety of colors to give your heater a modern, rustic, or industrial […]

Dragon Rocket Masonry Heater, stair build

6″ Castle Stair Build

This 6″ Dragon heater is in a small 2 floor apartment, so space is at a premium. This build uses a tall single bell (8 ft)  lined with fire brick. Larger 20″x20″ flues were used to maximize heat capture and allow for the oven. The excess heat from the bell is radiated from the stove pipe […]

8" Derrick Rocket Heater Efficiency and Emmssions

Derrick – 8″ Rocket Masonry Heater – Part 2 Data Log 3 Hour Burn

Here is a short video of the construction with pictures of the data logging equipment hookup. Overview This stove worked well and considering its output and inexpensive construction it definitely has a place. Overall efficiency was an even 90 Percent, with average CO emissions of 778 ppm. These numbers would beat almost all the commercial […]