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17th October 2002 | 11:32

#5 (permalink)

Genghis the Engineer

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Joined: Feb 2000

: CPL

Posts: 14,480

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From: UK

Also (and I agree with TH), small turbines run at very high speeds (in the order of 20-40,000 rpm), so getting them down to an acceptable noise level can be problematic.

G