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Originally Posted by LeaUK
Let me say what an excellent experiment - real world and no matter what principles lay behind the differences, PROVES that the your vfc sample will lock up as quoted by MB - thanks. These results don't just 'appear' condictory, they are - fact! And are as a result of looking at the bigger picture..... Theory is ok upto a point but you can't beat actually carrying out testing in my opinion.
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His experiment was just that . . a "BENCH" experiment. It does NOT prove that it will work in the car. Some basic question still remain . .
1) is the vfc the same as the vfc in W140 - - probably not,
2) and fundamentallly, will it work on his car - - still to be proved.
Phil's theory/explanation is NOT correct and he's fit the measurements by using a non-real explanation. If the bms bends at 90C in water, it should bend the same when mounted on the 'frame'. No difference! I personally think that when the bms was mounted, it was MUCH easier to see a bend because you have a point of reference for the 'eyes'. With just a bms in the pot of boiling water you have no frame of reference to see a bend. Remember you don't need a lot of bend to engage the clutch. It HAS to bend the same.
Anyway I will do the same test and report.
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Originally Posted by LeaUK
Jim, when you say before the aux fans switch on, do you mean stage 1 or 2? In my posts I'm always referring to stage 2 as when driving I can't tell if the fans reach stage 1.
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My aux fans always come on low (draw total of 12 amps). but if it's a hot day, done fast freeway driving, exit into stop/go traffic and then shut-off the car. If it's started 10 mins or so later, the aux fans come for about 30-45sec in Stage 3; you should hear them roar! But the temp drops from 100 to 95 in that short time.