On Fri, 25 Feb 2011 12:23:53 -0800, jamast wrote in message <5042747A63AB45D58B9ABF2CAA78CDD4@jamast>:
> On Thu, 24 Feb 2011 22:20:29 +0100, Arnt wrote in message > <20110224222029.77180740@celsius.local>: > > > On Mon, 21 Feb 2011 15:47:46 +1300, Tony.Batchelor wrote in message > > <afdae51957292f4a822ce0cc3dfbe998018e6b5f4...@tcsexccr.correspondence.school.nz>: > > > > > > Getting the Air/fuel ratio correct is also vital. Using a > > > "colortune" sparkplug is the best way to really know when you have > > > the correct mixture as you can see the flame color within the > > > combustion chamber. > > > > ..hum. That assumes we know right shade of blue (or green or > > violet?). And at least I don't. ;o) Has anyone played with > > colortune spark plugs and > > > ... wide-band lambda sensors ... > > > on wood gas? > > ..........i have used various transparent plugs for years, but of > late, computers do the job better, between a cheap gas analyser and a > laser thermometer you can pretty well pinpoint any problem > quickly.. for multiple cylinders colortune plugs might be helpful > in finding obstructions, very rare though.. ..much more common is getting gas and vapor flows wrong, giving you the odd too-lean cylinder next to the too rich one e.g. after polishing the _wrong_ spot. Channels are rough for tough boundary layer reasons. ;o) > the common use would of course be mixture control and you're right, > the color can be tricky to get just so.. i've used a lambda with a > built in heater, great for gasoline but it was confused by wood gas, ..confused, confused how? > i'll try it again and post > robert saint amour -- ..med vennlig hilsen = with Kind Regards from Arnt Karlsen ...with a number of polar bear hunters in his ancestry... Scenarios always come in sets of three: best case, worst case, and just in case. _______________________________________________ Gasification mailing list to Send a Message to the list, use the email address gasificat...@bioenergylists.org to UNSUBSCRIBE or Change your List Settings use the web page http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org for more Gasifiers, News and Information see our web site: http://gasifiers.bioenergylists.org/
