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24-09-2011, 09:30 PM
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#1
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Registered User
Country: engalnd
Location: south west
Interests: ski racing
Boat name: Jack'd up, hellraiser
Boat make: Bernico 19 ET, ring 16
Engines: merc 135, merc 175, yam 90
Cruising area: Plymouth
Join Date: Jun 2006
Location: south west
Posts: 1,176
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Optimax revs
Took it out for the first time today
It's a 150 mariner opti on a p21
Tried it with the 25p pro v that came with it, saw 52 at 4800rpm
Tried a worked 21 4 blader, saw 5200rpm an 52mph
Also revs would just suddenly drop from 5200 down to 5 or even 4800.
Didn't know if anyone had any ideas or suggestions as we should really be seeing 5750rpm an looking for high 50's low 60's
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25-09-2011, 10:11 AM
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#2
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Registered User
Country: Netherlands
Location: Westcoast
Occupation: Farmer
Interests: Marshan Ring Phantom
Boat name: Blue Streak
Boat make: Marshan 18
Engines: Mercury V200 Mercury XR10
Join Date: Sep 2010
Location: Westcoast
Posts: 128
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A 3 blades prop ''21
Enertia?
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25-09-2011, 11:52 AM
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#3
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Registered User
Country: BRISTOL UK
Location: NR BATH
Occupation: SPARKY
Interests: Relaxing
Boat name: Payed for
Boat make: Formula 36 pc
Engines: Twin mercrusers 7.4l v8 turbo diesel on shafts
Cruising area: NATIONALY
Join Date: Jun 2011
Location: NR BATH
Posts: 120
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Prop
Veater got a prop reckons will work. The one off push on....give him a bell.
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28-09-2011, 09:15 PM
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#4
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Registered User
Country: engalnd
Location: south west
Interests: ski racing
Boat name: Jack'd up, hellraiser
Boat make: Bernico 19 ET, ring 16
Engines: merc 135, merc 175, yam 90
Cruising area: Plymouth
Join Date: Jun 2006
Location: south west
Posts: 1,176
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Saying horn fault on the rev counter?
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28-09-2011, 10:20 PM
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#5
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Registered User
Country: engalnd
Location: south west
Interests: ski racing
Boat name: Jack'd up, hellraiser
Boat make: Bernico 19 ET, ring 16
Engines: merc 135, merc 175, yam 90
Cruising area: Plymouth
Join Date: Jun 2006
Location: south west
Posts: 1,176
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Says on the rpm gauge horn fault
An telling me to ease off throttle even at 4200rpm running a 25" pro vee!?
Any other ideas
As I sure have a problem!
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28-09-2011, 10:59 PM
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#6
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Registered User
Country: UK
Location: Weston Super Mare
Occupation: Electrical Engineer
Join Date: Mar 2004
Location: Weston Super Mare
Posts: 6,351
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tpi
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29-09-2011, 07:34 AM
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#7
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Registered User
Country: engalnd
Location: south west
Interests: ski racing
Boat name: Jack'd up, hellraiser
Boat make: Bernico 19 ET, ring 16
Engines: merc 135, merc 175, yam 90
Cruising area: Plymouth
Join Date: Jun 2006
Location: south west
Posts: 1,176
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Are you just saying that with regards to our conversation the other day?
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29-09-2011, 03:21 PM
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#8
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Registered User
Country: UK
Location: Weston Super Mare
Occupation: Electrical Engineer
Join Date: Mar 2004
Location: Weston Super Mare
Posts: 6,351
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no, you said it says horn fault and i can't think of anything else thats fitted to the horn
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