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Old 14 October 2004, 17:26   #1
Country: Netherlands
Town: Huizen
Boat name: BLIZZARDand COBRA
Make: TORNADO 5.8 and 6.5
Length: no boat
Engine: hpdi150 en 2.5 260
Join Date: Oct 2004
Posts: 28
prop comparisation please tell how your props are working

i had many different props

test rig is tornado 580 old type narrow hull 200 hp merc 2.5ltr efi

my first was an raker prop 22 pitch this prop gives good bowlift no sternlift
51 kts no stern lift

second prop was an 24 pitch 4 blade bravo 1 prop lots of bow lift
boat ski height
54 kts scary ride

third prop trophy plus 24 pitch 4 blade neutral lift stern and bow
best prop for this boat
61 kts

test rig 650 tornado yamaha v6 carburated 150
black stainless yamaha 19 pitch 41 kts 5800 rpm no lift lots of slip this is good for towing boats
yamaha pro series 23 pitch 43 kts 5000 rpm best lift
good fuel economie ad 3500 rpm 32 kts 1ltr a mile

Mennojsh is offline   Reply With Quote
Old 15 October 2004, 10:14   #2
Country: Greece
Town: Gloucetsreshire
Boat name: GATO DI MARE
Make: MAR.CO
Length: 9m +
Engine: Yamaha 200Vmax
MMSI: 235027678
Join Date: Sep 2002
Posts: 3,339
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Originally Posted by Mennojsh
yamaha pro series 23 pitch 43 kts 5000 rpm best lift
good fuel economie ad 3500 rpm 32 kts 1ltr a mile
Just to bud in and say that Yamaha rates these props for up to 45 knots.

Testing a few props in a months time on our 7mtr FALCON boat and will deffinately let you know how it went.
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