on second view, that's andy! when did you make that andy? i'd never seen it.
j On Tue, Jan 4, 2011 at 11:49 PM, jim mason <[email protected]> wrote: > paul, this is a spiral shear chunker. i agree they are rather > interesting. there are quite a few getting made in various parts of > the xgas world. i had not seen this one you found, nor the guy doing > it. he is new. where did he come from? > > awhile back i put together a list of all the chunker schemes i've > seen. there are about 5 different spiral shear types listed. see > here. > http://wiki.gekgasifier.com/w/page/6123718/FrontPage . please add any > new ones found here if you can. > > there is one i proposed to do in the lid of a 55gal drum, using a car > starter motor for the drive. never made it, but it might be an > interesting way to do it cheap in the dev world. > > i think it is likely be better to fix the gasifier so it can use more > common fuels, via more common size reducing machines, than to require > everyone to get/make a special fuel prep machine. disk wood chippers > are already everywhere, and with some work, the gasifier can work on > this fuel. beyond there things get much more difficult though. > > or make this one too. we need more cutting devices. some time put in > on optimizing the making of spiral shears using sliced propane tanks > as the blade might be interesting. > > jim > > > > > > On Tue, Jan 4, 2011 at 11:35 PM, <[email protected]> wrote: >> Dear Andy, Andrew, Alex, Crispin, all Stovers, and of interest to >> Gasification folks also. >> >> Wonderful device!! see it at: >> >> http://www.youtube.com/watch?v=lZCiCL6cffM >> >> Different, and more simple than the choppers I saw with Ed Burton and Phil >> Jorgensen in Willets, northern California. They use hydrolyics and can stop >> and reverse the cutter if needed. Are there other options that need to be >> also recognized. >> >> I want one. Andy, we need to talk. (on Skype at paultlud or phone >> 309-452-7072 or email ) Did you build this yourself? >> >> Looks to me like no teeth. It is a shear. the cutting blades are tapered >> so only a small amount of wood is cut in each cm of the rotation. >> >> Safety features are lacking, but that is not the topic here. The topic is >> that it works for chunking of wood. Engineering will add the safety >> shields, etc. >> >> Size of chunks is not the issue either. Clearly can be scaled. This unit >> is powered by a power take-off (PTO). You can see it spinning. Geared down >> to the right speed. So it can be geared to almost any speed and torque >> needed. >> >> Also, the fuel could be in a trough at maybe 45 degrees from vertical, and >> come sliding down and hit a stopper to give the desired length. And >> possibly fed from two sides. >> >> And the woody biomass could even be of brush-type and the crosscuts would >> give many short pieces with each slice. >> >> For power source, I had a plan for using the power wheel of a regular >> car/vehicle. Kevin and I talked about this many years ago. The power part >> is fine, but I did not have the shear like Andy has. Simple to combine the >> two concepts. >> >> Also as a power source for a SMALLER unit for smaller pieces, this shear >> concept could be built to run from the power of a junk rotary lawnmower. I >> have wanted such a device for years, and now the missing component is quite >> evident. (Too bad my wife threw away a couple months ago the junk lawnmower >> that I was saving for just such an opportunity. Now I need to find another >> one with the right features to make transition easy.) >> >> My partner in Chip Energy (Paul Wever, who Andy knows) could make such >> devices easily. And so could Crispin in the Swaziland factory or wherever >> he gets his hands on the tools. >> >> Recent conversations about bamboo as fuel hit a snag about cross-cuts. Now >> that is no longer an issue. >> >> Okay, how do we proceed to accomplish the availability of this cross-cut >> technology to people who could well use it? This is for both the affluent >> countries and the developing societies!! >> >> Dr. TLUD Anderson [email protected] >> >> >> >> Quoting Crispin Pemberton-Pigott <[email protected]>: >> >>> Dear Andrew S >>> >>> >>> >>> That unit sounds like it has teeth and I see there is a certain rotary >>> kick >>> to it sometimes. >>> >>> >>> >>> http://www.youtube.com/watch?v=lZCiCL6cffM >>> >>> >>> >>> Can you confirm that it has some sort of coarse teeth? Are there teeth on >>> the stationary portion so rotation is largely prevented? >>> >>> Certainly a great device - never saw one before. It is obvious that if the >>> feeding was horizontal you could have two people feeding, one on each >>> side. >>> >>> We didn't get to see the final product up close. Do you think it is suited >>> to a medium to large TLUD? >>> >>> Dr Paul A, what do you think of the chunk size? The power level looks low >>> for something that can take on such large pieces. Very attractive. >>> >>> >>> >>> Regards >>> >>> Crispin >>> >>> Andrew, >> >> Neat. >> >> I kept trying to count your fingers but lost track every time my eyes closed >> :) >> >> Al >> e >> x >> >> >> >> On 1/3/2011 1:30 PM, andy schofield wrote: >> >> >> [Show Quoted Text - 44 lines][Hide Quoted Text] >> >> >> Hi Andrew, >> >> Good to see you here! I have been wanting to read Stoves for a long time. >> Doc T-LUD Anderson inspired me recently to join the list. >> >> A polished brass T-LUD installed down below with a proper charley noble, >> could >> extend the short yachting season here in the chilly Great Lakes. >> Diesel stoves smell horrible! >> >> Two kw/ hr of heat to make coffee, and melt the frost from one's beard, >> would require about two pounds of cherry pits. >> This would be perfect for a certain antique H-28 I sail. The boat: >> http://www.youtube.com/watch?v=e1tay_HUxNY >> >> The cost of pits at retail-outlets is high, because packers use propane >> to dry them. >> So for many, chopping wood is the best option to fuel a gasifying-stove. >> Here is the method I use to cross cut maple blocks: >> http://www.youtube.com/watch?v=lZCiCL6cffM >> >> Give my regards to Ken, next time you talk. >> >> Andrew Schofield >> >> >> >> >>> >>> >> >> >> >> ---------------------------------------------------------------- >> This message was sent using Illinois State University RedbirdMail >> >> >> >> _______________________________________________ >> The Gasification list has moved to >> [email protected] - please update your email contacts to >> reflect the change. >> Please visit http://info.bioenergylists.org for more news on the list move. >> Thank you, >> Gasification Administrator >> > > > > -- > ------------------------------------------------------------------------------ > Jim Mason > Website: http://www.whatiamupto.com > Current Projects: > - Gasifier Experimenters Kit (the GEK): http://www.gekgasifier.com > - Escape from Berkeley alt fuels vehicle race: www.escapefromberkeley.com > - ALL Power Labs on Twitter: http://twitter.com/allpowerlabs > - Shipyard Announce list: > http://lists.spaceship.com/listinfo.cgi/icp-spaceship.com > -- ------------------------------------------------------------------------------ Jim Mason Website: http://www.whatiamupto.com Current Projects: - Gasifier Experimenters Kit (the GEK): http://www.gekgasifier.com - Escape from Berkeley alt fuels vehicle race: www.escapefromberkeley.com - ALL Power Labs on Twitter: http://twitter.com/allpowerlabs - Shipyard Announce list: http://lists.spaceship.com/listinfo.cgi/icp-spaceship.com _______________________________________________ Gasification mailing list to Send a Message to the list, use the email address [email protected] 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/
