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Sisis scarifier

I've come across Sisis Trio-Rotorake scarifier on a website for £600. It's estimated to be around 10 years old but little used and is being sold with a new set of blades. I know this is a 'as long as a bit of string' question, but is this a suitable machine for 'medium' size lawns? I know a lot of people here head straight to the Eliet and JD machines, but this is the first one in my budget I've come across.

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  • PRO
    Not heard of them. I used a makita hire one and it was not bad and about £650 to buy I think
    • This reply was deleted.
      • PRO
        I've heard of sisis just not the rotorake!
        I don't do much on that side of things so I don't pay much attention!
        I think 5-600 is enough to spend for people like me who would use it 10 times a year
  • PRO

    I'm not sure, but I think this one throws out the waste forwards into a collector - fine for a bowling green etc, but a pain for domestic lawns as the collector  fills up too quickly, but if removed, you're chucking waste into the flower beds. Better to get a rear discharge like the eliets etc. Good looking eliet 501 finished bidding this evening - went for £640. The  Camon's also get good comments on here and more of those come up on ebay rather than the eliets.

  • Whilst on the subject....... I've an old push Sisis scarifier which I bought for £35 many years ago......... it has the spring tines for raking out the moss and works really well though exhausting to push. Why do some scarifiers use blades and others spring-tines? Are the blades more heavy-duty perhaps?  They both seem to work well though I would have thought the blades would quickly get the "point" rounded off and become less effective.

    • PRO

      Generally perform different functions - springs really deal with light dethatching and surface cleaning, where as blades do dethatching and verticuting (getting down into the soil), helping to promote new growth, opening up the soil and removing material, which is good when topsoiling and overseeding.

      When I was at college (MW), we had the 'benefit' of having a SISIS sales/distribution depot on site, so we gained some insight and got to use a number of their machines during our course.

      • .....does the "blade" have to be maintained with a sharp "point" then? If yes, can it be sharpened with a grinder to get the point back?

        • PRO

          As they're thin already they effectively self sharpen, biggest issue is generally wear or damage from hitting underground stones just below the surface etc. We've just changed out a set of blades on our Camon more due to wear.

  • PRO

    We don't sharpen, but then we mainly use Eliets that have self sharpening blades... apparently.

    Our bigger maintenance issue is the occasional bent blade especially on the bannerman which has thiner blades than the others.

    • PRO

      Self sharpening doesnt neccesarily mean they never need to be sharpened. But it does mean that they essentially stay sharp for longer before needing to be sharpened.

      • PRO

        On the Camon, you do not sharpen - you either turn the blades around or replace.

        The Camon is mainly a Scarfier and not designed for true deep verticutting.

        Can't comment on other makes, depends on service instructions.

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