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1st May 2006, 04:26

#85 (permalink)

212man

Join Date: Oct 1999

Location: Den Haag

Age: 57

Posts: 6,300

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4 to 5 seems to make quite a difference too!

There must also be cost and maintenance issue involved; by definition a 5 bladed head must be more complex, cost more and the blades themselves will cost more, relative to a 4 bladed design.

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