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Old Sep 18, 2012, 08:25 PM
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Elizabeth South Australia 5113
Joined Nov 2005
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Now regarding the pitch.....As Joe pointed out in in #973, there should be a "wedge" of timber on the blade where it bolts to the center hub.This wedge gives the blade a negative incidence ,helping the blades to spin
.It would appear as if this no longer happens with the H/K blades and so the T/E of the blade has to be lifted in some way.
If you look at #973,you will see that a thin strip of wood has been attached to the rear underside of the blade, giving the blade the negative pitch that is required..............
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Chris.............
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