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Zero Turn Speed Race

Discussion in 'Lawn Mowing' started by DCT, Apr 29, 2011.

  1. Turf Dawg

    Turf Dawg LawnSite Gold Member
    Posts: 3,719

    :hammerhead::hammerhead::hammerhead: I went back and watched and it was easy to see that it was the cover. I just ass/u/me/d that it was a anti-scalp wheel, because when I see something black go shooting off my XR-7 it is the scalp wheels :laugh::laugh:
  2. demhustler

    demhustler LawnSite Bronze Member
    Posts: 1,322

    or loose or get reed off deck lift assist springs: any bump - hard or smooze causes acceleration of front wheels in vertical dimension, canceling g-force which holds deck down and causes deck jump-up on springs and than to fall down smashing against the frame and deck height system when stopped by chains
    my springs are loose almost completely - deck bouncing and hits reduced dramatically - allowing to go trough the bumps smoother and faster takes more effort to rise a deck - but not much (it awkward on hustler with or without springs : ))))
    on the wright standers engine on the floating deck and rubber isolators (pict)allows go through uneven terrain without slowing down and deck flipflopping and smashing like in conventional set-ups
    DC put springs over-the shocks to reduce deck bouncing (pict)
    on exmark and toro simple rubber hose (pict) acts like spring and pushes deck height adjustment lever in opposite to stock direction - preventing deck lock-up in up-position by itself (now it only locks-up if operator want it and pushes lever to the left)



    Last edited: May 1, 2011
  3. Mickhippy

    Mickhippy LawnSite Platinum Member
    Posts: 4,251

    What was the Scag doing? Was he starting off in low, then changing to high? If thats correct, I was sooo wrong about 2 speed system! The Hustler had it from the get go!

    Good to have a side by side look at the SZ and Scag. Lots of other things to consider like weight, hill side, ride, cut quality in various conditions, turf damage etc though!

  4. djagusch

    djagusch LawnSite Platinum Member
    from MN
    Posts: 4,231

    It needs to be really bumpy ground for the deck to bounce like you describe here. A park system I mowed I could go flat out with a super z without deck bounce 99% of the time. Operator bounces around more as they weigh less than the deck. The platform keeps operator comfort up so they are fresh the whole day. Just how it stops the jaring of the back (up/down) will do great things for productivity.

    I see the first gear being used as a speed control. 1st gear for most small to mid size properties besides any transport. 2nd gear for open areas/large properties (think school grounds).
    Posted via Mobile Device
  5. djagusch

    djagusch LawnSite Platinum Member
    from MN
    Posts: 4,231

    I would say the operator was wrong on the whole shifting thing, trying to get cute. He should of left it in high and worry about his cornering speed than shifting.
    Posted via Mobile Device

    MOHUSTLER LawnSite Bronze Member
    Posts: 1,376

    I am glad someone posted this vid, And to think that the super Z is only using 18% of thier pumps capacity. Thoes pumps are probably yawning saying "give me a real challenge"

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