building en testing the most clever charcoal grate design I've ever seen it's helping to filter the dust out from the source because of the 270deg turn instead of 180 Deg, the pressure drop was in comparison about tha same as the 14mm bar en 15mm distance grate the flame en the unburned Charcoal was neglectebly small

credit goes to Olivier guerin

   / @senekemoi  

'if you like this sort of thing' en if you want to help mi feel free to think about becoming a patreon en support the research, development, building en testing of cheap,clean en efficiënt energy technology's

go to!   / oscarverwey  

thank you in advance !