Load Bearing Member
Join Date: Sep 2011
Location: Derry, NH
Thanked 15 Times in 13 Posts
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Re: "Spurs" Line Cutter or similar
The two types I've seen so far are:
"Spurs" which have a set of blades on the prop (spinning) and another set 1/8" upshaft (not spinning). When a line gets tangled, some sort of lever/wedge action moves the 'not spinning' set out to meet the other set. Once the line is cut, a spring separates them again. This looks wicked cool and also seems like it would need a professional install. I do not have a quote.
"Shaft Shark" seems to be a glorified radial saw blade a few mm larger than the hub of the prop. The smaller ones can be separated so they can be installed without pulling the prop. This is a $350 DIY job, but I wonder about the effectiveness. If the blade is moving with the prop and the line is moving with the prop, where's the cutting action? I can imagine the line just wrapping around the blade as the prop becomes a windlass. Then again, it's better than nothing.
My boat comes out today, I'll post pics of the damage.
1978 Bristol 29.9 #122
Testing a mother's love since 1962
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