{"id":19305,"date":"2011-11-18T00:00:15","date_gmt":"2011-11-18T05:00:15","guid":{"rendered":"https:\/\/setsail.com\/?p=19305"},"modified":"2011-11-24T00:41:07","modified_gmt":"2011-11-24T05:41:07","slug":"5700-hours-of-shaft-wear","status":"publish","type":"post","link":"https:\/\/setsail.com\/5700-hours-of-shaft-wear\/","title":{"rendered":"5700 Hours Of Shaft Wear"},"content":{"rendered":"
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The prop shafts have been removed (they slide past the rudders) and we’ve given them a close look. The cutlass bearings are both still within tolerance, with the starboard bearing showing no wear. The port bearing has on the order of 1\/8″ (3mm) of slop, not much really.<\/p>\n
However, we are replacing both since the shafts are now out. The shafts show almost no cutlass bearing where.<\/p>\n
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But what they do show is a bit of scoring from \u00a0slipping Spurs line cutters. The starboard shaft (above) has roughly a 1\/16″ (1.5mm) scoring.<\/p>\n
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The port is a touch worse. If these were highly loaded shafts, with big engines, consideration would be given to machining the grooves to soften them, or even replacing the shafts. But with two inches\/50mm of Nitronic 5o alloy, and just 50HP on average of force, these are still way oversized.<\/p>\n","protected":false},"excerpt":{"rendered":"