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  1. 5

    swapped prop for same - altered height - revs through the roof

    Hi guys Strange one here... Aluminium 19ft cabin boat, 140 tohatsu 2 st - all speeds measured are gps After smashing the original tohatsu prop and only ever getting to 5200-5300rpm WOT I decided to take a look at the variables, do some testing and get all my figures straight before getting a...
  2. 5

    Tohatsu 140A2 - fitting a yamaha prop

    Hi Guys New to Iboats but been reading it for a long while. I smashed my prop recently beyond economical repair (3 blade ally tohatsu - 13 1/4 x 17) anyway as i have been lazy and not done any WOT testing i thought i better do the testing before i invest in a new prop, we do a lot of ocean...
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