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Registered
Join Date: Jul 2001
Location: Lawrenceville GA 30045
Posts: 7,416
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I'm not sure about the shape(s), but I do recall years ago someone (perhaps a European mfr?) got in trouble for selling machinery to some country (China? Russia?) that gave them the ability to make props to such tight specs that they ran more quite and hence more difficult for the subs to detect.
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Mark
'83 SC Targa - since 5/5/2001
'06 911 S Aerokit - from 5/2/2016 to 11/14/2018
'11 911 S w/PDK - from 7/2/2021 to ???
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