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08 May 2011, 00:41
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#1
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Member
Country: Germany
Town: Düsseldorf
Boat name: Ribbi
Make: Ribcraft
Length: 4m +
Engine: Suzuki Dt 55
Join Date: Apr 2011
Posts: 30
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Maximum motorweight for Ribcraft 4.8 ?
Hello everybody,
does anybody know what's the maximum motorweight for that boat ?
Can't find that on the Ribcraft site, they only say 60 hp should be the maximum power on it.(I don't think so).
I have now 109kg at the transom, and I think it could have 15-20hp more with nearly the same weight at the stern. Is that possible with an older 2 stroke or not ?
Cheers
Eric
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08 May 2011, 04:56
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#2
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RIBnet admin team
Country: UK - England
Town: The wilds of Wiltshire
Boat name: Dominator
Make: SR5.4
Length: 7m +
Engine: Yam 85
MMSI: 235055163
Join Date: Jul 2005
Posts: 13,069
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Quote:
Originally Posted by ragbar
they only say 60 hp should be the maximum power on it.(I don't think so).
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They build it. They know better than you.
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08 May 2011, 08:27
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#3
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Member
Country: UK - England
Town: Bristol
Make: Ribcraft
Length: 5m +
Engine: Yamaha
Join Date: May 2006
Posts: 4,299
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im sure it was something like 160 or 165 max weight.
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08 May 2011, 09:04
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#4
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Member
Country: UK - England
Town: Sheepy Parva
Boat name: Sadly Sold
Length: no boat
Join Date: Sep 2008
Posts: 1,731
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Suggest forgetting the guesswork and conjecture...and ask Ribcraft directly
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08 May 2011, 11:23
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#5
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Member
Country: UK - Wales
Town: West Wales
Make: Vipermax 5.8, SR4.7
Length: 5m +
Engine: 150 Opti, F50EFi
Join Date: Sep 2005
Posts: 6,299
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They are rated to 60hp max, but Ribcraft have rigged some with 75hp E-tecs, as the weight of these motors is acceptable. As said earlier though, best to ask Ribcraft before fitting a motor above 60hp.
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08 May 2011, 18:43
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#6
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Member
Country: UK - England
Town: Bristol
Make: Ribcraft
Length: 5m +
Engine: Yamaha
Join Date: May 2006
Posts: 4,299
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i had a suzook 70 f/s on mine and that came in at 160
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08 May 2011, 21:30
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#7
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Member
Country: Germany
Town: Düsseldorf
Boat name: Ribbi
Make: Ribcraft
Length: 4m +
Engine: Suzuki Dt 55
Join Date: Apr 2011
Posts: 30
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Thanks,
with 160kg at the transom it might be a little bit sternheavy.
I would ask Ribcraft direcly, if the telephon call from Germany wouldn't be so expensive.
Thank you all.
Cheers
Eric
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08 May 2011, 21:32
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#8
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RIBnet admin team
Country: UK - England
Town: The wilds of Wiltshire
Boat name: Dominator
Make: SR5.4
Length: 7m +
Engine: Yam 85
MMSI: 235055163
Join Date: Jul 2005
Posts: 13,069
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Quote:
Originally Posted by ragbar
I would ask Ribcraft direcly, if the telephon call from Germany wouldn't be so expensive.
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Far cheaper than buying the wrong motor 
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08 May 2011, 21:34
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#9
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Member
Country: Germany
Town: Düsseldorf
Boat name: Ribbi
Make: Ribcraft
Length: 4m +
Engine: Suzuki Dt 55
Join Date: Apr 2011
Posts: 30
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Quote:
Originally Posted by Nos4r2
They build it. They know better than you.
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I guess this recommention is made only to be on the sure side in the factory.
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08 May 2011, 21:36
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#10
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Member
Country: UK - England
Town: Salisbury
Boat name: Blue C
Make: XS 600
Length: 6m +
Engine: 125hp Opti
MMSI: 235082826/235909566
Join Date: Jan 2004
Posts: 1,439
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Quote:
Originally Posted by ragbar
I guess this recommention is made only to be on the sure side in the factory.
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Nope its all part of the CE plating process which is a EU legal requirement for all vessels built for the leisure market and over 2.6m LOA !!
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08 May 2011, 21:38
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#11
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Member
Country: UK - England
Town: Salisbury
Boat name: Blue C
Make: XS 600
Length: 6m +
Engine: 125hp Opti
MMSI: 235082826/235909566
Join Date: Jan 2004
Posts: 1,439
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Quote:
Originally Posted by Nos4r2
Far cheaper than buying the wrong motor |
To true! We have a customer who wanted his twin 60's replaced by a single ETCH 90 he supplied the motor, but is a SS Rib takes Long !!! expensive lesson for him !!!!
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09 May 2011, 00:34
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#12
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Member
Country: UK - Wales
Town: West Wales
Make: Vipermax 5.8, SR4.7
Length: 5m +
Engine: 150 Opti, F50EFi
Join Date: Sep 2005
Posts: 6,299
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I know Ribcraft weren't keen on fitting the first generation Soozook DF60, due to its excessive weight, despite being within the hp limit of the RC4.8.
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09 May 2011, 01:34
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#13
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Member
Country: Other
Town: Stanley, Falkland Is
Boat name: Seawolf
Make: Osprey Vipermax 5.8
Length: 5m +
Engine: Etec 150
Join Date: Mar 2006
Posts: 3,726
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Quote:
Originally Posted by Downhilldai
They are rated to 60hp max, but Ribcraft have rigged some with 75hp E-tecs, as the weight of these motors is acceptable. As said earlier though, best to ask Ribcraft before fitting a motor above 60hp.
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And the insurance co...
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09 May 2011, 07:23
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#14
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Member
Country: UK - England
Town: Bristol
Make: Ribcraft
Length: 5m +
Engine: Yamaha
Join Date: May 2006
Posts: 4,299
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mine was very stern happy, max weight for even balance that i would recommend is 135 tops
never mind what it will take!! 
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10 May 2011, 19:00
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#15
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Member
Country: Germany
Town: Düsseldorf
Boat name: Ribbi
Make: Ribcraft
Length: 4m +
Engine: Suzuki Dt 55
Join Date: Apr 2011
Posts: 30
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a few weeks ago there was another RC4.8 sold with an 75hp Mariner 2Stroke, i saw the selling photos and i wondered how heavy she looked at the stern.
That was why i did that question.
I mean 160 kg might be a little heavy, too.
Thank you all
Eric
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