Anyone have shaft line cutters

Discussion in 'Sport Yachts/Yachts' started by Gary B, Mar 28, 2018.

  1. Gary B

    Gary B Member

    May 20, 2015
    Long Island
    2007 52 Sedan Bridge
    Cummins QSM 11
    Had a white knuckle ride last season dodging numerous lobster trap floats in 3’+ white caps. It was breezy sending lots of spray up to our plastic enclosure and there was bad sun glare. Several times we got lucky as traps went right down the water line. It was not a fun experience.

    Does anyone have experience with Sea spurs or other types of line cutters? Do they work?
  2. The Bill Collector

    The Bill Collector Well-Known Member GOLD Sponsor

    Jun 2, 2008
    Tacoma, WA
    450 Sundancer
    3126 Cat's
    Following... I have looked into them but have not purchased.
  3. SKybolt

    SKybolt Member

    Nov 11, 2014
    Kent Narrows, MD
    1988 460 EC Sea Ray. w/12.5K Westerbeke Genset.
    Twin 6v92TA Low profile's (475hp) with Alison Gears.
  4. carterchapman

    carterchapman Well-Known Member TECHNICAL Contributor SILVER Sponsor

    Mar 25, 2008
    Lake Chickamauga/Marietta, GA/Ft. Myers, FL
    2006 Sea Ray 58 DB
    MAN CRM V8-900s, Twin Disc Drives; Onan 21.5 Generator
    I have them. They were on when I bought the boat. We have a lot of crab pots in SW FL, so far, no tangles.
    dtfeld and The Bill Collector like this.
  5. dbmathison

    dbmathison New Member

    Mar 27, 2015
    Middle River, MD USA
    1991 420 Sundancer
    Twin Cummins 6BTA5.9m-2 315hp
    I used the SALCA ones last season. They replace the zinc on the shaft. Worked great at least twice that I know of. Got them at

    The Bill Collector likes this.
  6. Gary B

    Gary B Member

    May 20, 2015
    Long Island
    2007 52 Sedan Bridge
    Cummins QSM 11
    Thank you for all the recommendations
    Was debating whether or not they are worth the expense. Just ordered a set
  7. FootballFan

    FootballFan Well-Known Member

    Jun 20, 2012
    Marquis 59
    MTU Series 60
    I don't have them, but will probably put them on next time the boat is hauled.

    In general I wish I didn't need to have them. I have no desire to run over the equipment of someone making their living fishing. In the Keys the floaters on the pots are small and a lot of times in a channel. With any kind of wave height becomes very difficult to see until you are right on top.

    Through the Keys there is something called Hawks Channel. During season it is full of pots. To the point you cant use autopilot most of the time.

    We have boated a fair amount in Maine with pots in the water. Totally different world, you can see the markers there.
  8. dwna1a

    dwna1a Well-Known Member GOLD Sponsor

    Apr 23, 2012
    James River
    88 Weekender 300 "Seahorse"
    Twins 350
    Did you order two per shaft or just one?
  9. Gary B

    Gary B Member

    May 20, 2015
    Long Island
    2007 52 Sedan Bridge
    Cummins QSM 11
    Mechanic ordered set (1 per shaft I believe) of Shark shaft SS600 line cutters from AB Marine.
    He recommend these as they are all stainless, almost no maintenance and the props do not have to be removed to install them. I hope to not need them but sure nice to have if we do.
  10. thosmann1

    thosmann1 Member

    Jan 19, 2009
    Key west Florida
    500 Searay Sundancer
    Cummins QSM11's
    9D736443-9D7F-4710-9201-85DA9AD29E4F.jpeg I have a pair of “new in the box” 2.5” shaft size double bladed serrated 316 stainless steel line cutters FOR SALE. Diameter is 7.5” anyone interested please let me know. They are the best you can buy. If interested I’ll send the price and specs.

    Bow Tie
    Last edited: Apr 9, 2018
  11. Jim Burton

    Jim Burton New Member

    Mar 19, 2019
    540 Sundancer 2000 G7212
    3196 Cat
    Has anyone installed SPUR line cutters. It seems like they require over an inch of flat, no taper shaft. My shafts on a 3196 CAT installation are tapered from the strut hub to the face of the prop hub.

    Spur makes a shaft extension that goes between the transmission drive and the shaft collar, but I can't measure the shaft inside of the strut until I uncouple it from the transmission. I would suspect that it is straight thru the strut.

    Anyone that has any info or ideas would be much appreciated

  12. hynespa

    hynespa Active Member

    Jun 7, 2010
    Marina Del Rey, CA
    2005 420 Sundancer
    T-VD-8.1 S HO MerCruiser (T-420 hp)
    @Gary B - we had a similar white knuckle experience this weekend in Southern California. In my 10 years out here boating I have never seen so many traps as I saw this past weekend. I was literally dodging the entire trip between Marina Del Rey and Long Beach and back.
  13. mquiet

    mquiet Well-Known Member

    Aug 4, 2009
    North carolina
    1999 480 Sedan Bridge
    Caterpillar 3196
    I have hit a few over the years that ar submerged. I have only had 2 hat the line got tangled. The others I have been lucky enough that my props took care of them. I am interested in cutters as well. Too many this time of year encroaching the channels.

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