[Gasification] Janka wood gas gasifier.

[Thomas Reed]

Dear Doug and All:

The WWII (Nozzle or Imbert type) may not be the best possible biomass 
gasifier, but over a million were operated 1940-45 (many of them 
charcoal) and not many today have done better, so it behooves us all to 
know about this benchmark. 

We keep several books in stock (at http://www.woodgas.com/bookstore.htm) 
that describe the WWII gasifier in detail, the best obviously was 
written by the Swedish Royal Academy in ~1950, while the memories and 
participants were all available. 

/*GENGAS: THE SWEDISH CLASSIC ON WOOD FUELED VEHICLES: */ (SERI-1979) T. 
Reed, D. Jantzen and A. Das, with index. This is the "Old Testament" of 
gasification, written English translation, of "Gen-Gas", written by the 
Swedish Royal Academy at the end of WW II after successfully converting 
90% of transportation of WW II Sweden to wood gasifiers.
ISBN 1-890607-01-0                                       
340pp                               $35

We call this the "Old Testament" of gasification.

In 1974, after the first oil embargo, Prof. Niels Skov (from Sweden) and 
his students converted a Chequer Taxicab by building a replica and drove 
it aroung the campus.  The exact construction plans are in our book

/*DRIVING ON WOOD: THE LOST ART OF DRIVING WITHOUT GASOLINE: 3rd Edition 
*/ N. Skov and M. Papworth, (1974). Description and beautiful detailed 
drawings of various gasifiers and systems from World War II.  In this 
new edition we have reduced Skov's 20 X 30 in plans to 11 X 17 " and 
bound them in the book, still very readable.  The gasifier was used to 
drive a Checker car around campus.  Nils Skov was in the Danish 
Underground and write of his experiences in a new book, see 
www.kalama.com/~NASKOV/
<http://www.kalama.com/%7Enaskov/>ISBN 
1-890607-09-6                                 
80pp                                      $25


There have been other books of plans (Mother Earth?) but this is excellent.

Those who don't study the past are likely to have to reconstruct it 
brick by brick.

Onward,

TOM REED            BEF


doug.williams wrote:
> Finnpower.
>
> You ask:
>
>   
>> I read an article about a wood gasifier named Janka, here is a link
>> (Swedish):
>>     
>
>  > http://www.gengas.nu/kuriosa/biljournalen/index.shtml
>
>   >The figures in the gas analyze are "rather" impressing; H2 32%; CO 20%.
> They were made in Czechoslovakia during the war.
>
> This is just an ordinary Imbert gasifier, with the condenser/gas coolers
> mounted on the gasifier. I doubt if any wood gasifiers using this basic
> principle of gas making could make as with 32% H2, even with oven dried
> wood.
>
> The collection of photos is really a view into a past that has to be created
> all over again, but it will first require an absolute disaster, before many
> will get their backs into real working order (:-)
>
> You might find this rare Military gasifier taken in Denmark interesting,
> just to show the power of a wood block.
> http://www.lg-c.dk/uploads/panzer15-4.jpg
>
> To my knowledge, there are no construction plans available for the Imbert
> system, but the basic information with a lot of dimensions can be found in
> the FAO book
>  www.fao.org/DOCREP/T0512E/T0512e00.htm
>
> Doug Williams,
> Fluidyne.
>
>
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>   

-- 
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