paul wheaton wrote:Peter van den berg did build one rocket mass heater here with a steel burn tunnel (not a steel riser) and was able to get it to work with two design decisions:
a 4 inch system (cannot burn much fuel at one time, so the system never gets very warm)
air is pulled into the system in such a way that it cools the steel.
Ruben Masson wrote:How do I seal the metal rod coming out of the bench, so there's no smoke/gas coming out of the system. I imagine some kind of rubber seal in the cob where the rod moves through, but can't find anything for that online. Also the rubber has to withstand quite some heat..
Michael Var wrote:The problem I see with rocket heaters for my purpose is that they are said to be for smaller stoves in comparison to the Kuznetsov types and I want to heat a larger farm house with only one stove. To replace the cast iron stove that is filled every few hours....
Glenn Herbert wrote:Edit: batchbox.eu definitely doesn't do anything if you type that in.
"The batchbox.eu site no longer seems to be working..."