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Thread: Free Power Turbine v Fixed Turbine
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Old 12th March 2008 | 14:09
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Silvio Pettirossi
 
Joined: Apr 2006
Posts: 77
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From: Al sur del norte
Twin spool Vs. single spool?
AFAIK, one advantage of the twin spool (if this is what you mean) engine is that you dont need a clutch system on helicopters fitted with this kind of engine.
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