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Posted by PGAero [Email] (#1143) [Profile/Gallery] (more from PGAero) on Sat, 20 Nov 2004 14:55:14 Share Post by Email
In Reply to: Turbo rpm, Lincoln Lee, Sat, 20 Nov 2004 08:02:35
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Hey Lincoln Lee,

A couple of more reasons to argue your point...
First, you can hear turbos "whistle" when they spool up...Tractor-Trailers are the best place to hear them...but you can even hear Saab's turbos if you listen carefully. A high-pitched sound is in the 2K hz range and above (way above) (This is a simplification...I know). Anyway, the fact that a turbo sounds like a whistle indicates that it's ~ 2K rpS= 120Krpm= 120000rpm.

Also, here's a link to How Stuff Works' turbo write-up...sighting a typical speed of 150000 rpm.

Have a good one!

~Peter

posted by 153.90.198...

How Stuff Works - Turbos

_______________________________________
Past:
'06 9-5 Combi, AT, Polar/Black
'04 9-5 Aero Wagon, AT, Nocturne/Granite
'03 9-5 Aero Wagon, 5spd, Polar/Black
'03 9-5 Aero Wagon, AT, Steel/Charcoal
'00 9-3 Viggen, 5D, Silver/Black
'93 9000 Aero, 5MT, Cirrus/Black (Owned this one twice... my favorite)
'86 900 SPG, Edwardian/Buffalo Grey
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