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mower sounds quiet???

Discussion in 'Lawn Mowing' started by bobbygedd, Mar 21, 2005.

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  1. bobbygedd

    bobbygedd LawnSite Fanatic
    from NJ
    Messages: 10,178

    i got my new red hawk with the 18 hp kohler. it came with high lifts. i havn't cut with it yet, but i been driving it around the yard getting the feel for it. one thing that concerns me, is that when i engaged the blades, with that big engine, i expected to hear something that sounded like a helicopter. instead, it sounded "weak". i am now concerned. the dealer says this is normal because of the oversized engine and promises me it will not lack in cutting quality or power. any input? shouldn't this thing sound like a helicopter?
  2. DLCS

    DLCS LawnSite Platinum Member
    Messages: 4,385

    Helicopter? I thought it was a mower. :dizzy: Ahh just runn over a plastic trash bag, then it will sound like a Chinook.

    J/K :p
  3. Travis Followell

    Travis Followell LawnSite Silver Member
    from KY
    Messages: 2,206

    Check the engine RPM. It should be turning 3600 rpm no load.
  4. jpmako

    jpmako LawnSite Senior Member
    Messages: 593


    Any idea what the blade tip speed is on those machines?
    If that is low you are going to have problems!

  5. rodfather

    rodfather LawnSite Fanatic
    Messages: 9,501

    I would check the following:

    A. Engine rpm (3600 rpm) give or take
    B. Blade speed (as specified by the manufacturer) in fpm
  6. jeffex

    jeffex LawnSite Bronze Member
    Messages: 1,933

    Check the belt tension on the deck. If its loose you will not get the full rpm to the blades
  7. bobbygedd

    bobbygedd LawnSite Fanatic
    from NJ
    Messages: 10,178

    the man says everything is ok. but, wouldn't you expect it to "sound" right? i know that's not the technical way to judge it, but have you ever had rpm problems, and u could hear it? should i expect this mower to sound quieter than an older one? my 36 bobcat with 14 hp sounds like a helicopter when i engage the blades
  8. Fareway Lawncare

    Fareway Lawncare LawnSite Silver Member
    from Canada
    Messages: 2,222

    The Redhawks are Made in China...They Probably Put the Engine on Wrong and Now it's Broken.

    I Look forward to the frequent "The.......is Busted on my mower" threads from Bobby G This Season.
  9. bobbygedd

    bobbygedd LawnSite Fanatic
    from NJ
    Messages: 10,178

    and i look foward to the "i went to new jersey and all i got was this lump on my head" threads from fareway
  10. marko

    marko LawnSite Senior Member
    Messages: 963

    Good one Bobby!
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