Quote:
Originally Posted by Delboy
What kind of freq is your S9's running at?, i assume its related to temps is it?
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Abut the same frequency here. On the older S9 you could set frequency and fans speed yourself on the later models they use so called autotune. If the temp goes above 75C it starts increasing fan speed, if the temp gets near 110C it will start decreasing frequency and voltage. Looks like yours have very different fans as they run different speeds. My and my friends are running both at the similar speed. My has Delta 3A intake fan and Yate Loon 2.3A exhaust, his has Nidec 1.65A both ends. All running about 4500rpm without ducting and near 6k rpm with the ducting. The fans have different pitch, mine is easier on the ear without ducting but with the ducting his are quieter.
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Currently 8less
2011 Q7 S Line 3.0TDI, 2016 Tesla Model S 90D
8 history:
2006 A8 Sport 4.2TDI quattro SOLD,
1997 S8, reached end of life with gearbox failure
Last edited by ainarssems; 14th February 2018 at 10:43 AM.
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