Thanks Enrique; we found Reinhold at last. Regards, Carlos ------------------------------------------------------------------
----- Original Message ----- From: "Enrique Rodriguez-Flores" <[EMAIL PROTECTED]> To: <[email protected]> Cc: <[EMAIL PROTECTED]>; "Carlos Bonifetti" <[EMAIL PROTECTED]>; "reinhold metzler" <[EMAIL PROTECTED]> Sent: Thursday, February 03, 2005 7:25 AM Subject: Re: [microhydro] Re: Heat Generator > Dear friends, > > you can reach Reinhold under [EMAIL PROTECTED] > > With regard to heat generators, we have successfully installed and > monitored a couple of units for drying crops in Peru around 14 years > ago. I think it is a good option for some specific cases. > > Regards, > > Carlos Bonifetti schrieb: >> >> George!, >> >> You can ask at SKAT or ENTEC in Switzerland, where is Reinhold today. And >> if >> there still are some "Heat Generators" volumes in SKAT bookshop >> available. >> Other friend who may know where Reinhold Metzler is, is Enrique >> Rodriguez, >> engineer who works in Lahmeyer Co., Germany. >> I'll send this copy to Enrique. >> >> CB >> ------------------------- >> >> ----- Original Message ----- >> From: "georgewrbaldwin" <[EMAIL PROTECTED]> >> To: <[email protected]> >> Sent: Wednesday, February 02, 2005 5:45 PM >> Subject: [microhydro] Re: Heat Generator >> >> > >> > >> > >> > >> > A very interesting review and more or less the impression I had gained >> > earlier. This is indeed the book that I have got ( or at least I think >> > I have still got somewhere...)- The closing paragraph about there >> > being a place for the device in other circumstances is apposite. >> > >> > Have you come across any other links? I have been googling until I >> > drop but all I found was an organisation listing the book as out of >> > print. >> > >> > I have already written to FAKT and asked them for Mr Metzler's contact >> > email but I have no idea whether he is still involved with them. >> > >> > >> > >> > GB >> > >> > >> > --- In [email protected], "Steven Schoeffler" <[EMAIL PROTECTED]> >> > wrote: >> >> >> >> I found this review interesting, maybe others will too. >> >> >> >> Steve >> >> >> >> http://www.villageearth.org/pages/AT_Library/atsourcebook/chapters/ >> > energygeneral.htm#The%20Heat%20Generator >> >> >> >> The Heat Generator, MF 19-437, book, 108 pages, by Reinhold Metzler, >> > 1983, Swiss Francs 22.00 from SKAT. >> >> >> >> The heat generator is essentially a fan turning in a closed box, >> > converting mechanical power on the shaft into heat as it stirs up the >> > air. In small water powered mills this may allow some very interesting >> > possibilities for small industry applications for drying crops or >> > boiling liquids. This book reviews some heat using small industries in >> > Nepal, discusses the economics of the heat generator as compared to >> > several alternatives, and provides construction drawings of the >> > equipment. The author concludes that under certain circumstances a >> > heat generator would have the lowest unit cost of energy. >> >> >> >> The technical attractiveness of this technology is unfortunately not >> > matched by its financial appeal, at least for Nepal. To make his case >> > that the heat generator would provide low-cost energy, Metzler assumes >> > the following: it will be used with a turbine mill that is already >> > installed and underutilized, full capacity utilization of the heat >> > generator will be achieved, maintenance costs will be low (3.5%), >> > fuelwood for small industries will all be purchased, and a low real >> > interest rate (after inflation) of 5.5% can be achieved on the >> > invested capital ($800 plus 30% of the mill investment- $2100-for a 5- >> > kw output). He neglects the facts that local firewood consuming units >> > are often built at virtually no cash cost by family members, that in >> > the rural areas firewood is usually gathered rather than purchased, >> > that these small industries are usually seasonal and part-time, and >> > that small investments in design improvements in small industry stoves >> > and kilns can yield large fuel savings (e.g.. 33%). When all of these >> > factors are taken into account, the heat generator is likely to >> > produce energy that costs at least twice as much and requires an >> > investment at least 10 times as much as the fuelwood alternatives. >> >> >> >> In other countries and under other circumstances, there may be a >> > place for this device, and therefore we include it here. >> >> >> >> >> >> >> >> ----- Original Message ----- >> >> From: georgewrbaldwin >> >> To: [email protected] >> >> Sent: Wednesday, February 02, 2005 2:44 AM >> >> Subject: [microhydro] Re: Heat Generator >> >> >> >> >> >> >> >> >> >> Carlos! >> >> >> >> Thanks for the come-back. Even after all this time I have not been >> >> able to locate anybody who has given as much thought as he to the >> >> heating of air by mechanical means. I am aware of several patents >> >> going back to the 19th Century but it was the thoroughness of his >> > own >> >> approach that interested me and that fact that the units had been >> >> installed and were working correctly - at least they were at the >> > time >> >> his book was written in the early 80's. Somewhere I still have a >> > copy >> >> - which I got from the ITDG bookshop in London. >> >> >> >> Would you (or anyone else) happen to know where Reinhold can be >> >> contacted? I would very much like to see a unit in operation, >> > wherever >> >> that may be...... except perhaps for Nepal, where I understand >> > that >> >> the political situation is deteriorating on a daily basis. >> >> >> >> Regards, >> >> >> >> GB >> >> >> >> >> >> >> >> Carlos Bonifetti <[EMAIL PROTECTED]> wrote: >> >> > >> >> > Yes, I know Reinhold also. The problem seems to be in the >> > practical >> >> > application of the heat generator. >> >> > The machine is for generating hot air is a "bad centrifugal fan" >> >> with so >> >> > high internal losses that the air became hot. We are fan >> > builders >> >> and >> >> > reinhold's and so find design is very good. >> >> > >> >> >> >> [Non-text portions of this message have been removed] >> > >> > >> > >> > >> > >> > >> > >> > >> > >> > Does your company feature in the microhydro business directory at >> > http://microhydropower.net/directory ? If not, please register free of >> > charge and be exposed to the microhydro community world wide! >> > >> > NOTE: The advertisements in this email are added by Yahoogroups who >> > provides us with free email group services. The microhydro-group does >> > not >> > endorse products or support the advertisements in any way. >> > >> > More information on micro hydropower at http://microhydropower.net >> > >> > To unsubscribe: send empty message to >> > [EMAIL PROTECTED] >> > Yahoo! Groups Links >> > >> > >> > >> > >> > >> > >> > >> > >> >> >> Does your company feature in the microhydro business directory at >> http://microhydropower.net/directory ? If not, please register free of >> charge and be exposed to the microhydro community world wide! >> >> NOTE: The advertisements in this email are added by Yahoogroups who >> provides us with free email group services. The microhydro-group does not >> endorse products or support the advertisements in any way. >> >> More information on micro hydropower at http://microhydropower.net >> >> To unsubscribe: send empty message to >> [EMAIL PROTECTED] >> Yahoo! Groups Links >> >> >> >> > > > -- > Enrique RODRIGUEZ-FLORES > Renewable Energies Mailto: > [EMAIL PROTECTED] > Lahmeyer International GmbH - WWW: www.lahmeyer.de > Friedberger Str. 173 - Phone: +49 (6101) 55-1114 > D-61118 Bad Vilbel, Germany - Fax: +49 (6101) 55-2101 > > ********************************************************************** > Diese E-Mail kann vertrauliche und/oder rechtlich geschuetzte > Informationen enthalten. Wenn Sie nicht der richtige Adressat > sind oder diese E-Mail irrtuemlich erhalten haben, informieren > Sie bitte sofort den Absender und vernichten Sie diese Mail. > Das unerlaubte Kopieren sowie die unbefugte Weitergabe dieser > Mail ist nicht gestattet. > > This e-mail may contain confidential and/or privileged > information. If you are not the intended recipient (or have > received this e-mail in error) please notify the sender > immediately and destroy this e-mail. Any unauthorized copying, > disclosure or distribution of the material in this e-mail is > strictly forbidden. > ********************************************************************** ------------------------ Yahoo! Groups Sponsor --------------------~--> Has someone you know been affected by illness or disease? Network for Good is THE place to support health awareness efforts! http://us.click.yahoo.com/RzSHvD/UOnJAA/79vVAA/FGYolB/TM --------------------------------------------------------------------~-> Does your company feature in the microhydro business directory at http://microhydropower.net/directory ? If not, please register free of charge and be exposed to the microhydro community world wide! NOTE: The advertisements in this email are added by Yahoogroups who provides us with free email group services. The microhydro-group does not endorse products or support the advertisements in any way. More information on micro hydropower at http://microhydropower.net To unsubscribe: send empty message to [EMAIL PROTECTED] Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/microhydro/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
