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14-11-2008, 08:17 PM
#
1
alice
Registered User
Country: uk
Location: uk
Cruising area: southcoast
Join Date: Dec 2007
Location: uk
Posts: 526
prop pitch
how much can you change the pitch down on a 5blader
__________________
14-11-2008, 09:06 PM
#
2
Wayne Kerr
Registered User
Country: England
Location: Crayford, Kent.
Occupation: Electrical gezza!
Interests: Petrolhead
Boat name: Wayne Kerr
Boat make: Phantom xl
Engines: Mercury 2.5, 200(ish)
Cruising area: Essex, Hampshire, Mediterranean
Join Date: Sep 2004
Location: Crayford, Kent.
Posts: 1,199
Alice, Alice, who the fook is Alice?
Sorry peeps, I was on 'post' 666. Had to move on!
__________________
14-11-2008, 09:44 PM
#
3
The Docta
Registered User
Country: UK
Location: Coventry (but from Lee on Solent)
Occupation: Sales Director
Interests: My Boat of course
Boat make: Extreme 21
Engines: Merc V8
Cruising area: Solent
Join Date: Jul 2005
Location: Coventry (but from Lee on Solent)
Posts: 587
according to merc, an extra blade will cost approx 100 rpm and every inch of pitch results in +/- approx 150-200 rpm.....so probably down a few inches depending on how many blades you turn at the mo' and how close you are to your max RPM
__________________
The Docta
15-11-2008, 01:52 AM
#
4
Burty
Registered User
Country: UK
Location: Weston Super Mare
Occupation: Electrical Engineer
Join Date: Mar 2004
Location: Weston Super Mare
Posts: 6,347
2 either way, max
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