A core saw (a type of hole saw used for geological core sampling) was modified for use as the large-diameter hole saw used in the bow thruster installation, likely with a diamond tip, allowing precise and quick drilling of the hull passage.
factualpending
Speaker
Dave BroadbentEvidence Quote
“it is a a modified core saw of some sort um i think it was i don't know if it's still a diamond tipped it might be uh i can't remember for sure”
Source
ABYC Online Education "Huddle": Discussion and Review of Popular Technical Topics with Mike Bonicker— American Boat & Yacht Council - ABYCCreated: 8/13/2026, 9:52:05 AM
My Notes
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