help me

Discussion in 'Prop Shop' started by tntwill, May 6, 2012.

  1. tntwill

    tntwill Hooking Lips is my life

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    ok 35 merc 2 stroke 14 ft boat 8500 rpm yikes i think. With a tiny tach 600 lbs in the boat weight of 4 of us. Gps says 18 mph wot.
    Is this good or too high of rpm if tach is right.
     
  2. Brett

    Brett > PRO STAFF <


    Yowza! must be a racing motor... ;)


    sumptin' tells me y'er tach's a bit off. ;D

    I'm guessin' the real rpms are at 4250.
     

  3. tntwill

    tntwill Hooking Lips is my life

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    how would i test it?
     
  4. Brett

    Brett > PRO STAFF <

    I use a shop tach for small outboard work

    http://www.google.com/#q=laser+tachometer&hl=en&prmd=imvns&source=univ&tbm=shop&tbo=u&sa=X&ei=4MmmT8TABcrqtgePyND_BA&sqi=2&ved=0CMwBEK0E&bav=on.2,or.r_gc.r_pw.r_qf.,cf.osb&fp=fb64cf876c794163&biw=1280&bih=577
     
  5. topnative2

    topnative2 Well-Known Member

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    great idea!!!!!!!!!!!!!!!!!