Optical Scope Alignments – High and Low

2009 August 4
by Chris Brown
Sometimes you need to be Tall

Sometimes you need to be Tall

Sometimes you need to get low
Sometimes you need to get low
Boats come in all shapes and sizes.  Some tall and some short.  A 111′ Brazilian-made Inace required an engine alignment and cutlass bearing alignment to eliminate the shaft hopping that was visably apparent at the Tide seal.  Due to the keel and underbody configuration, the shafts are a bit higher than normal.  A little creative thinking to set up a rock solid machinist stand and a local block was all that was needed to perform the optical scope process for the engine alignment.  This is in sharp contrast to scoping the little 38″ Pearson “True North” as reported earlier this year.  Sometimes you need to get low.

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