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Making Charcoal with the Exeter Retort ~ by WoodlandsTV

By woodlandstv

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Alan and Jo Waters are expert charcoal makers with many years experience of this traditional skill from the land they coppice. Here they speak about the benefits of charcoal production using the Exeter Retort. They join with Geoff Self and Robin Rawle, designers and manufacturers of this Retort, to explain their experiences of the benefits of this method compared to traditional ring kilns - that the Retort produces more charcoal, that it has a shorter burn time, is cleaner, more efficient, easily accessible and transportable, and that it ultimately produces better quality charcoal - ideal for small woodland owners. [email protected] http://www.carboncompost.co.uk/ An Adliberate film http://www.adliberate.co.uk for WoodlandsTV http://www.woodlands.co.uk/tv

Posted in: Traditional Skills ~ On: 6 February, 2017

116 comments so far

Robin Rawle
July 7, 2019

@mikha007 No secret. This is the second project, the first being a proof of concept vehicle. Publicly funded so in the public domain. Storage is in large rubber gas bladders also used for biogas. They're cheap, tough and self inflating.

Robin Rawle
July 7, 2019

Missed this one mikha007. The retort chamber takes 1.6 cubic metres, all of which gets pyrolysed. To start the process off you need between 70-100kg of waste softwood. The amount of initial fuel varies on the wood or other material you have in the retort chamber and its moisture content. Something like reed needs barely 20kg of waste wood to convert.

mikha007
July 7, 2019

@Robin Rawle so 1.6 cubic meters per 900kg…that seems a lot

Robin Rawle
July 7, 2019

@mikha007 Not sure I have made myself clear. You can convert 1.6 cubic metres of wood (about 900kg with hardwood by the time the air space between wood pieces in the retort chamber is accounted for) for an initial fuel component of waste softwood in the firebox of perhaps 100kg to get the feedstock in the retort chamber up to retorting temperature.

mikha007
July 8, 2019

@Robin Rawle ah ok

Chris Lassaline
July 13, 2019

Loved it!

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