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Old 19 April 2010, 06:47   #11
max
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Country: Austria
Town: Triest
Make: 7 m
Length: 7m +
Engine: 175 e-tec
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Posts: 24
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What Rib do you have Max?
i have a falcon 700 rs chris
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Old 19 April 2010, 06:57   #12
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Country: UK - England
Town: Gloucestershire
Boat name: Osprey
Make: Osprey Vipermax
Length: 5m +
Engine: E-tec 300 G2
MMSI: TBC
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Posts: 4,013
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i have a falcon 700 rs chris
Max,

45knots is pretty good performance on a 7 meter rib with what looks like a pretty seaworthy hull running only a 175. You are pretty close to ideal RPM with your current set up, you may be able to get a bit more out of it with a Viper prop but it could be an expensive exercise to see just one more knot

How high is the engine on the transom?
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Old 19 April 2010, 07:03   #13
max
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Country: Austria
Town: Triest
Make: 7 m
Length: 7m +
Engine: 175 e-tec
Join Date: Feb 2010
Posts: 24
Quote:
Originally Posted by Chris View Post
Max,

45knots is pretty good performance on a 7 meter rib with what looks like a pretty seaworthy hull running only a 175. You are pretty close to ideal RPM with your current set up, you may be able to get a bit more out of it with a Viper prop but it could be an expensive exercise to see just one more knot

How high is the engine on the transom?
ok i see any ways i got an viper 19 " for 600 euros then ill see what it will do i meen you are right my boat relay runs good but as you know mens and boats its a never ending story.but it
would be a pitty if i would just get 1 more knot out of 600 euros.
thanks alot chris

max
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Old 19 April 2010, 07:05   #14
max
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Country: Austria
Town: Triest
Make: 7 m
Length: 7m +
Engine: 175 e-tec
Join Date: Feb 2010
Posts: 24
Quote:
Originally Posted by max View Post
ok i see any ways i got an viper 19 " for 600 euros then ill see what it will do i meen you are right my boat relay runs good but as you know mens and boats its a never ending story.but it
would be a pitty if i would just get 1 more knot out of 600 euros.
thanks alot chris

max
about how high the engine is
i have to jack again.
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Old 19 April 2010, 09:05   #15
Member
 
Country: UK - England
Town: Gloucestershire
Boat name: Osprey
Make: Osprey Vipermax
Length: 5m +
Engine: E-tec 300 G2
MMSI: TBC
Join Date: Dec 2006
Posts: 4,013
Quote:
Originally Posted by max View Post
ok i see any ways i got an viper 19 " for 600 euros then ill see what it will do i meen you are right my boat relay runs good but as you know mens and boats its a never ending story.but it
would be a pitty if i would just get 1 more knot out of 600 euros.
thanks alot chris

max
I think you will find the 19" prop gives you to many RPM's I would go with a 21" if you are getting a Viper.
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