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16 January 2005, 10:24
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#21
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Member
Country: UK - Channel Islands
Town: St Peter Port
Boat name: Black Pig
Make: XS-Ribs
Length: 9m +
Engine: 2 x 225hp Optimax
Join Date: Sep 2004
Posts: 375
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Quote:
Originally Posted by Daniel Vanesse
And why not considering and O/B diesel? Take a look at www.jetpac.us
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It's like a RIB with piles!?
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Which part of "throw me the mooring line" didn't you understand!?
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16 January 2005, 12:24
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#22
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Member
Country: UK - England
Town: Gosport
Boat name: April Lass
Make: Moody 31
Length: 9m +
Join Date: Aug 2001
Posts: 4,951
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Quote:
Originally Posted by jwalker
Cumon, tellus the story....
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8m Ribtec with a Yam 240 6 cylinder engine in it. Big heavy engine with a big prop mounted a the back of a narrow hull. Result was an interesting drive to say the least. Put the power on from standstill and the bow came up and the boat steered hard over. Reduce speed from 20 knots to walking speed and the hull steered hard over the other way. It was quite possible to drive this boat without even touching the steering wheel, just by playing with the throttle. As a side note altering the trim made little difference so it wasn't that causing the problem.
Just glad it wasn't my £30+k that had been spent on this rib or it would have been straight back to the manufacturers. Boat looked very pretty on the pontoon, but I declined the offer to take it out of the River Itchen into Southampton Water.
Pete
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16 January 2005, 19:12
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#23
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Administrator
Country: UK - England
Town: Brighton
Length: 3m +
Join Date: May 2000
Posts: 7,108
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Quote:
Originally Posted by Daniel Vanesse
And why not considering and O/B diesel? Take a look at www.jetpac.us
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Looks like an interesting concept, but I'm not convinced that having that much weight that far back would actually be an advantage! Have you tried one?
Any idea of pricing?
<edit>
The JetPac weighs nearly twice as much as a 150hp 4-stroke outboard, which in itself is quite a heavy lump to put on a 6.5m RIB!
</edit>
John
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16 January 2005, 19:17
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#24
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Administrator
Country: UK - England
Town: Brighton
Length: 3m +
Join Date: May 2000
Posts: 7,108
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Quote:
Originally Posted by Pete7
8m Ribtec with a Yam 240 6 cylinder engine in it. Big heavy engine with a big prop mounted a the back of a narrow hull.
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There's got to be more to it than that. There are plenty of RIBs this size running this sort of engine with no reported handling issues. Was it an installation/rigging problem?
John
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17 January 2005, 07:42
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#25
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Member
Country: UK - England
Town: Gosport
Boat name: April Lass
Make: Moody 31
Length: 9m +
Join Date: Aug 2001
Posts: 4,951
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Quote:
Originally Posted by John Kennett
There's got to be more to it than that. There are plenty of RIBs this size running this sort of engine with no reported handling issues. Was it an installation/rigging problem? John
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Boat belonged to a former Ribtec employee so you would have thought he would have got it right. Didn't see the boat out of the water so can't comment on the transom or rigging and engine bay was just black with oil. Might have been an outboard rib converted I suppose, however hull did look very narrow, like a 6m rib with 2m tacked on the back end.
Pete
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18 January 2005, 15:12
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#26
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Member
Country: UK - Scotland
Length: 10m +
Engine: 2x610hp jets
Join Date: Apr 2004
Posts: 74
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i own a 7.5 meter rib with 2x240 yamahas in it and it handle,s fine so dont understand how an 8 meter rib cant take it from one engine,
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18 January 2005, 15:35
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#27
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Member
Country: UK - England
Town: Plymouth
Boat name: 2XS
Make: Halmatic Pacific 24
Length: 7m +
Engine: 135hp Honda X2
Join Date: Jan 2004
Posts: 529
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Quote:
Originally Posted by tonka
i own a 7.5 meter rib with 2x240 yamahas in it and it handle,s fine so dont understand how an 8 meter rib cant take it from one engine,
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Tonka
With a twin engine instalation it would be running counter rotating props, so torque would be cancelled out by the other prop,
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Ian A
www.austinmarine.co.uk
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19 January 2005, 08:12
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#28
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Administrator
Country: UK - England
Town: Brighton
Length: 3m +
Join Date: May 2000
Posts: 7,108
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Quote:
Originally Posted by tonka
i own a 7.5 meter rib with 2x240 yamahas in it
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Wow! That must be a tight squeeze! Do you have any pictures?
How does it handle with over a tonne of engines and drives?
John
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19 January 2005, 08:41
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#29
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Member
Country: UK - Wales
Town: Southampton
Boat name: DynaMoHumm/ SRV/deja
Make: Avon8.4, 5.4 & 4.777
Length: 8m +
Engine: Cat3126 Yam 90 &70
MMSI: 42
Join Date: Dec 2003
Posts: 6,562
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Hi Tonkabut your boat was designed for sturdiness and to handle the power The Hull probably weighs a ton more than the hull in the original question! I can understand you mentioning having a Delta with twin 240's I'd be shouting about it from the roof tops if it were mine.
My favourite rib so far was /is Jim Mac's 'Still Deep one' wonderful boat and very well put togetherI think that was an 8.5 delta with twin yammies.
The ribtec ws a 7.5 by the way
__________________
Here it comes again, I don't stand a chance
Soul possession, Got me in a trance
Pullin' me back to you - Deja Voodoo
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19 January 2005, 15:18
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#30
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Member
Country: UK - Wales
Make: Humber
Length: 5m +
Engine: E-tec 50
Join Date: Jul 2003
Posts: 237
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Heavy hull or not, thats still hell of a lot of weight to have in the stern of a 7.5m RIB.
Must have been a big shoe-horn
I guess the working space under the hood is very confined. Do you find it difficult to do maintenance and repairs etc?
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19 January 2005, 20:09
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#31
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Member
Country: UK - Scotland
Length: 10m +
Engine: 2x610hp jets
Join Date: Apr 2004
Posts: 74
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it is a little heavy at the stern but i just keep the diving gear uo forward plus she carries 160 gallons of fuel so that keeps her down as well as for working space in engine bay , all i can say is you need a thin arm.
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19 January 2005, 22:35
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#32
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Member
Country: UK - Scotland
Make: HumberOceanOffshore
Length: 8m +
Engine: Volvo KAD300/DPX
Join Date: Oct 2002
Posts: 5,596
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Neat.
Tonka, whereabouts are you?
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JW.
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19 January 2005, 23:42
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#33
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Member
Country: UK - Wales
Town: Southampton
Boat name: DynaMoHumm/ SRV/deja
Make: Avon8.4, 5.4 & 4.777
Length: 8m +
Engine: Cat3126 Yam 90 &70
MMSI: 42
Join Date: Dec 2003
Posts: 6,562
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How about one of these
__________________
Here it comes again, I don't stand a chance
Soul possession, Got me in a trance
Pullin' me back to you - Deja Voodoo
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20 January 2005, 00:43
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#34
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Member
Country: UK - Scotland
Make: HumberOceanOffshore
Length: 8m +
Engine: Volvo KAD300/DPX
Join Date: Oct 2002
Posts: 5,596
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Cool. I like the 5,608,312 lb/ft at 102rpm
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JW.
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20 January 2005, 16:11
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#35
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Member
Country: UK - Scotland
Length: 10m +
Engine: 2x610hp jets
Join Date: Apr 2004
Posts: 74
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wouldnt like too pay the fuel bill for that beast. i stay at east kilbride and usualy dive in the clyde.
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20 January 2005, 17:13
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#36
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Member
Country: UK - Channel Islands
Town: St Peter Port
Boat name: Black Pig
Make: XS-Ribs
Length: 9m +
Engine: 2 x 225hp Optimax
Join Date: Sep 2004
Posts: 375
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I is very, very jealous!
Very nice rib tonka......if it was me I'd sit and stroke it and fondle it all day.....the rib that is!!!
Did you buy it from new, or was it a second hand one??
It's just that someone told me (on here actually) that Delta don't sell to private individuals which I can't believe, but I'm askin' anyhoo!
__________________
Which part of "throw me the mooring line" didn't you understand!?
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20 January 2005, 17:35
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#37
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Member
Country: UK - Wales
Make: Humber
Length: 5m +
Engine: E-tec 50
Join Date: Jul 2003
Posts: 237
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I've heard that Delta wont supply to non-commercial people also but in this months RIB International, the couple who are featured and live in Scotland (i believe) have a 7m Delta which, from the photos looks pretty newish to me; so who knows?
I guess if the boat was bought under a business name rather than an individuals, it makes it a commercial sale right?
So, you could own a florists and still have a RIB from them as a commercial customer. If they questioned it, you could say that it was for shipping flowers back and forth to an island or something (commercial business????)
Theres ways and means around everything
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20 January 2005, 17:48
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#38
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Member
Country: UK - Channel Islands
Town: St Peter Port
Boat name: Black Pig
Make: XS-Ribs
Length: 9m +
Engine: 2 x 225hp Optimax
Join Date: Sep 2004
Posts: 375
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True!
I could probably buy it through the company I worked for as long as the MD has a spin!
Mind you I'm a little way off affording a delta!
__________________
Which part of "throw me the mooring line" didn't you understand!?
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21 January 2005, 15:17
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#39
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Member
Country: UK - Scotland
Length: 10m +
Engine: 2x610hp jets
Join Date: Apr 2004
Posts: 74
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i bought it second hand but although delta dont sell to the private punter the rib was built for private use and has only ever been used privately although i would say when he got it built it was built for off shore use,
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