Hi Mark, If your thermostat can take the full current of your heating element, you just wire it in series. The rod type thermostat found in most UK domestic immersion heaters will work just fine for this. The down side is they are usually made of brass. If you do decide to use washing machine elements, I would reccomend using two in a 75 litre processor, giving a total output of approx 5kw. Wire them on separate circuits, one through the thermostat and one with just a switch. Use two elements to heat the oil up to working temperature, then switch to just one for the processing. Well that is how I would do it anyway.
Cheers Bob Oh yes, I am in Northants ----- Original Message ----- From: "Mark` Cookson" <[EMAIL PROTECTED]> To: <biofuel@sustainablelists.org> Sent: Friday, October 20, 2006 11:19 AM Subject: Re: [Biofuel] Help with Processor > Bob > > Thanks for the offered help, I am at the moment trying to make a 75 litre > processor.The stainless kettle element you bought for your first processor > how did you rig up a therostat to it was it quite easy? > P-S I am in Lancs are you any where near? > > Regards > > Mark > >>From: "Bob Carr" <[EMAIL PROTECTED]> >>Reply-To: biofuel@sustainablelists.org >>To: <biofuel@sustainablelists.org> >>Subject: Re: [Biofuel] Help with Processor >>Date: Thu, 19 Oct 2006 17:22:47 +0100 >> >>Hi Mark, >>How big is your processor? >>I made my first 15 litre processor using a stainless kettle element, >>bought >>from a local electical store for just £4.50. It is still working fine >>after >>a year. >>I am now using a 150 litre processor that is heated by hot water from a >>home >>made gas boiler. The long term plan is to convert the boiler to run on a >>mixture of glycerol and bio heating oil, but I am not there yet. >>If you need help sourcing stuff locally, I will help wherever I can >>Regards >>Bob >>----- Original Message ----- >>From: "Mark` Cookson" <[EMAIL PROTECTED]> >>To: <biofuel@sustainablelists.org> >>Sent: Thursday, October 19, 2006 8:47 AM >>Subject: Re: [Biofuel] Help with Processor >> >> >> > keith >> > >> > Thanks for that, you can get stainless immersion heater[element] but >>they >> > are a fortune to buy brand new. I thought any list members may know of >> > other >> > alternatives? [ or supplys in the UK] >> > >> > Mark >> > >> > >> >>From: Keith Addison <[EMAIL PROTECTED]> >> >>Reply-To: biofuel@sustainablelists.org >> >>To: biofuel@sustainablelists.org >> >>Subject: Re: [Biofuel] Help with Processor >> >>Date: Thu, 19 Oct 2006 12:51:09 +0900 >> >> >> >> >Hi to every one, >> >> >I am trying to build a processor but having difficulty in finding a >> >>heater >> >> >element that is not made of copper? I am in the UK, I have been told, >>in >> >> >Holland they make a brass emersion heater element but I can not find >> >> >a >> >> >supplier here in the UK. >> >> >Any suggestions anybody? >> >> > >> >> >Mark >> >> >> >>Hi Mark >> >> >> >>Brass won't do either, neither will bronze, lead, tin and zinc. >> >>Aluminium doesn't react with biodiesel but it does react with lye so >> >>you can't use it in a processor. Stainless steel is best. Stainless >> >>steel immersion heaters definitely exist, surely obtainable in all >> >>countries. Seek and ye shall find. >> >> >> >>HTH, good luck. >> >> >> >>Keith >> >> >> >> >> >>_______________________________________________ >> >>Biofuel mailing list >> >>Biofuel@sustainablelists.org >> >>http://sustainablelists.org/mailman/listinfo/biofuel_sustainablelists.org >> >> >> >>Biofuel at Journey to Forever: >> >>http://journeytoforever.org/biofuel.html >> >> >> >>Search the combined Biofuel and Biofuels-biz list archives (50,000 >> >>messages): >> >>http://www.mail-archive.com/biofuel@sustainablelists.org/ >> >> >> > >> > _________________________________________________________________ >> > Windows LiveT Messenger has arrived. 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