oldbanger Posted July 1, 2013 Share Posted July 1, 2013 Evening,I'm wanting to swap my GT6 mechanical fan to electric ,, Ive got most of the bits and some of the know how - but I can't figure out where to buy / what I need to measure the water temperature so as to trigger the relay. (?? thermo resistor ??)Also instead of pulling the air through the radiator, can I not push it through ?? (ie fan in front) - I can't for the life of me figure out the thermodyanic difference :o)Jon Quote Link to comment Share on other sites More sharing options...
jamespworth Posted July 1, 2013 Share Posted July 1, 2013 Hi I would do a search plenty of info on this. I'm after a sender switch majig myself that comes on at correct temp. I think it's a case of using one designed for another car rather than an off the shelf thing. Quote Link to comment Share on other sites More sharing options...
rotoflex Posted July 2, 2013 Share Posted July 2, 2013 There's going to be argument about which side the fan goes on.I vote for the back.Here's a place selling pieces to replace the mechanical fan:http://www.pattonmachine.com/Fan-Eliminator-Kit.htm Quote Link to comment Share on other sites More sharing options...
Dannyb Posted July 2, 2013 Share Posted July 2, 2013 [Sorry, link no longer available]This is my post on the subject. plenty of info from all sources. worth a read Quote Link to comment Share on other sites More sharing options...
piman Posted July 2, 2013 Share Posted July 2, 2013 Hello Jon, I fitted my fan in front of the radiator, one I can remove the radiator without having to remove the fan first (It's a Kenlowe and rather than use their cable tie fixing method I made brackets) and it looks much neater. No mechanical fan means I can fiddle about under the bonnet with the engine running and not get hit by a moving fan. As you say there is no aerodynamic difference.Alec Quote Link to comment Share on other sites More sharing options...
oldbanger Posted July 2, 2013 Author Share Posted July 2, 2013 Wow - cheers guys, its gonna be a hot and sunny next week - good time to wire this baby up and give it a tryThanksJon Quote Link to comment Share on other sites More sharing options...
piman Posted July 2, 2013 Share Posted July 2, 2013 Hello Jon, don't expect it to do much with normal running, forward motion does the cooling not the fan. Mine only comes on in very slow/stop traffic even in summer.Alec Quote Link to comment Share on other sites More sharing options...
mjwman Posted July 2, 2013 Share Posted July 2, 2013 I have had my auxillary Kenlowe for some while now but found the mechanical/capilliary nasty and when it got wet shorted out and kept the fan on.The answer was not cheap but very neat. A Revotec unit in the top hose.http://www.revotec.com/ Quote Link to comment Share on other sites More sharing options...
esxefi Posted July 3, 2013 Share Posted July 3, 2013 1075 wrote:Evening,I'm wanting to swap my GT6 mechanical fan to electric ,, Ive got most of the bits and some of the know how - but I can't figure out where to buy / what I need to measure the water temperature so as to trigger the relay. (?? thermo resistor ??)Also instead of pulling the air through the radiator, can I not push it through ?? (ie fan in front) - I can't for the life of me figure out the thermodyanic difference :o)Jonmy advice is,if you are using a standard triumph rad then get a 22mm boss braised into the bottom tank of the rad.that way you can use a lower temp switch to activate the fan and it is an industry standard size thread for the switch which will allow a much larger selection of switches to get the engine running at the temp you want.placing the fan in front of the rad 'may' mean it will come on more but if the rest of your cooling system is ok it shouldn't be a problem. Quote Link to comment Share on other sites More sharing options...
GT6MK3 Posted July 3, 2013 Share Posted July 3, 2013 I'd suggest using a normally closed double relay system, so that if your switch fails, the fans will stay on rather than off.Something like this Quote Link to comment Share on other sites More sharing options...
GreenV8Machine Posted July 3, 2013 Share Posted July 3, 2013 http://content.yudu.com/Library/A28q0c/CBSCatalogueIssue26/resources/index.htm?referrerUrl=http%3A%2F%2Fwww.cbsonline.co.uk%2Farticle%2FCataloguepage 157. Quote Link to comment Share on other sites More sharing options...
tiggrr1 Posted July 3, 2013 Share Posted July 3, 2013 GT6_User_and_Abuser wrote:http://content.yudu.com/Library/A28q0c/CBSCatalogueIssue26/resources/index.htm?referrerUrl=http%3A%2F%2Fwww.cbsonline.co.uk%2Farticle%2FCataloguepage 157. Now that's a handy book of bits and bobs :) Quote Link to comment Share on other sites More sharing options...
oldbanger Posted July 4, 2013 Author Share Posted July 4, 2013 cheers, much appriciated,,, particularly about the relay type ,,, default (failure position) - being on,,, I'd thought about adding a switch in line in case of this - but thanks - I now know to use one of these babies. cheers ,, time for some online purchases ;o)Jon Quote Link to comment Share on other sites More sharing options...
piman Posted July 4, 2013 Share Posted July 4, 2013 Hello Jon, "I'd thought about adding a switch in line in case of this"a far simpler and practical solution, two relays to control a fan is overkill, keep it simple.Alec Quote Link to comment Share on other sites More sharing options...
GT6MK3 Posted July 5, 2013 Share Posted July 5, 2013 Really?A fan with no relay - almost no work, almost guaranteed to fry old wiring eventually.A fan with one relay and a switch vs a fan with two relays and no switch. about the same amount of work.If something goes wrong... a fan with one relay and a switch vs a fan with two and a switch, in case "A" you have to notice the problem and mechanically resolve it, but in case "B" it's resolved for you.I prefer doing a very little bit more work to end up with something a lot more failsafe.YMMV.C. Quote Link to comment Share on other sites More sharing options...
jamespworth Posted July 5, 2013 Share Posted July 5, 2013 Any one pop up a simple diagram of how this would work? would be a massive help to the novice such as myself. :) Quote Link to comment Share on other sites More sharing options...
tiggrr1 Posted July 5, 2013 Share Posted July 5, 2013 1248 wrote:I'd suggest using a normally closed double relay system, so that if your switch fails, the fans will stay on rather than off.Something like this Got to say I like that idea as I used to run a fan via a relay and Kenlowe style thermostatic controller, trouble was the thermostatic controller was pants and could not be relied on to always switch on before things got too hot under the bonnet and as Craig says if I did not spot the temp rising then it was too late to hit the manual switch.I will copy the double relay setup and keep the manual switch for peace of mind/overkill.That idea combined with my alloy rad + twin Pacet fans means my paranoia of overheating will be a thing of the past :)The radiator install is not quite finished but you get the idea Quote Link to comment Share on other sites More sharing options...
Royboy66 Posted July 5, 2013 Share Posted July 5, 2013 Nice ! :) 8) Quote Link to comment Share on other sites More sharing options...
jamespworth Posted July 6, 2013 Share Posted July 6, 2013 Thats looks very nice. I'm planning on running two corsa fans and have already fitted the larger rad, I'm relatively lost when it comes to relays and electrical stuff so will have to have a read up. Quote Link to comment Share on other sites More sharing options...
GT6MK3 Posted July 7, 2013 Share Posted July 7, 2013 5161 wrote:Any one pop up a simple diagram of how this would work? would be a massive help to the novice such as myself. :) Quote Link to comment Share on other sites More sharing options...
piman Posted July 7, 2013 Share Posted July 7, 2013 Hello C, of course you could run without a relay, simply fit a suitable switch and correct size cable, remember there is no old wiring to fry because this is an add on.Relays are generally reliable but I would not go your route, as I say keep it simple, complexity tends to make faults more likely so if it can be avoided do so, that's my philosophy.Alec Quote Link to comment Share on other sites More sharing options...
jamespworth Posted July 7, 2013 Share Posted July 7, 2013 Thanks for diagram gives me something to work with :P Quote Link to comment Share on other sites More sharing options...
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