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Old 04-21-2008
Rockter Rockter is offline
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Rockter will become famous soon enough
Yes, surface finish below waterline is vital. I once calibrated my 36 ft ship with fine weed on the hull, and it pulled 5.5 kt at 1750 rpm, in flat calm.
Next day, with the weed scraped off, at the same revs it pulled 6.6 kt !!
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