Creative Commons-Licentie Batch Box Rocket by Peter van den Berg 

is available under the Creative Commons Attribution-ShareAlike 4.0 International license

It has been decided to offer the information on this site free and without advertising. However, the provision of this information on this website does cost money which include hosting fees. Experiments which led to the results and the final designs presented on this website have also cost money. Including the purchase of a gas analyzer which need to be calibrated once a year in order to generate reliable results and being able to offer those to you.

Your donation is needed in order to continue this work and to be able to maintain this site!



Another way to support this work is to buy the video "Building a Cob Style Rocket Mass Heater", a manual to build a Ianto Evans' Rocket Mass Heater. Of the proceedings of the video 80% is donated to this site, provided it is bought through the above link. 

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