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Old 26 April 2006, 19:24   #21
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Country: UK - England
Town: The wilds of Wiltshire
Boat name: WhiteNoise/Dominator
Make: Ballistic 7.8/SR5.4
Length: 7m +
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MMSI: 235090687/235055163
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SR4, merc/mariner 50 4cylinder dinosaur.

I max out at 38mph on GPS with 50 litres of fuel but realistic cruising speed is about 25mph in anything over 3' seas.
It gets too hard not to get bounced out of the boat after 30mph after that.

Doesn't seem to be any end to the amount of lunacy I can do though and it just soaks it up-I rather enjoyed playing with the 9' standing waves in Old Harry race.

I think I need an SR5.4
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Old 26 April 2006, 19:31   #22
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yes I have allready been looking at smaller ribs say 4.5 m 50 hp but those comments don't make sticking with the SIB too bad for now .

Iam not after big speed , economy and the ability to land on beaches etc is most important .
Main thing is comfort in a choppy sea , the SIB is hard work and I find myself constantly coming off the plane to avoid a very hard landing . How much better is a small rib for this .
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Old 26 April 2006, 19:45   #23
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Country: UK - England
Town: The wilds of Wiltshire
Boat name: WhiteNoise/Dominator
Make: Ballistic 7.8/SR5.4
Length: 7m +
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MMSI: 235090687/235055163
Join Date: Jul 2005
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The V-hull makes it a bit softer I guess but the real bonus is not feeling like you're going to flip backwards if the wind gets under the hull.

The flooding hull on the Sr4 is a bonus when it gets too rough to plane but it's got to be really rather rough for that-I managed to plane across the chop over Shambles Bank off Weymouth at 15mph in f6 and with a tide running.
It feels really stable at displacement speeds-though this might only be psychological. It IS very stable at rest though- far better than the microplus 500 I had before.

Economy isn't TOO bad-I usually use 25-30 litres or so when I go out for the day.
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Old 26 April 2006, 19:48   #24
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2006 Humber 5m - 60hp Four Stroke - 9,995

I really like this one , but the confusion of choice and the way prices change for just a slightly bigger boat have made me decide to wait untill next year and get some experience in the sib and try to learn about what i really need .

Also and probably the main reason is Her indoors will throw a major wobbly if i anounce Iam changing the SIB allrready
Plus i have just got round to the idea that my 03 Aprilia 1000 is in need of replacement asap.

Boys and toys eh Cant take it with you
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Old 26 April 2006, 19:55   #25
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Country: UK - England
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Boat name: WhiteNoise/Dominator
Make: Ballistic 7.8/SR5.4
Length: 7m +
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MMSI: 235090687/235055163
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5m is a substantially bigger boat in handling capabilities-a completely different world to a 4m.
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Old 26 April 2006, 20:04   #26
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Quote:
Originally Posted by ian parkes
2006 Humber 5m - 60hp Four Stroke - 9,995

I really like this one , but the confusion of choice and the way prices change for just a slightly bigger boat have made me decide to wait untill next year and get some experience in the sib and try to learn about what i really need .

Also and probably the main reason is Her indoors will throw a major wobbly if i anounce Iam changing the SIB allrready
Plus i have just got round to the idea that my 03 Aprilia 1000 is in need of replacement asap.

Boys and toys eh Cant take it with you
That Humber is a nice boat and seems a good deal, although likely to be a very different proposition to the SIB both in terms of capital outlay and running costs. If I was you (depending where abouts in Cornwall you are), would meet up with the rest of the Cornish Crowd, Roycruse seems to get out on Voyager a fair bit (lucky bugger) im sure he would take you for a spin so you could see how a bigger rib handles.
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Old 26 April 2006, 20:08   #27
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Quote:
5m is a substantially bigger boat in handling capabilities-a completely different world to a 4m.
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That what Iam trying to understand . I thinks there must be a reason that most of the ribs owned on this forum are bigger than 5m .

The massive jump in power that seems to be required for just half a metre or so longer is also something I don't understand at present .

It would be great to find the right boat first time for me and my pocket .
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Old 26 April 2006, 20:24   #28
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Country: UK - England
Town: The wilds of Wiltshire
Boat name: WhiteNoise/Dominator
Make: Ballistic 7.8/SR5.4
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MMSI: 235090687/235055163
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If you mean the difference for example between your SIB hull and mine,it takes a lot more power to get a deep V to plane-but when planing they are more stable.

If you compare a 4m rib to a 5m you could put a 50 on a 5m and use it quite happily if you weren't fussed about speed or rough water. The drawbacks would be that with the extra weight and load carrying capacity coupled with the fact that the bigger the hull the bigger the drag-and the tendency of a larger hull to go through rather than over waves would make it far more fun and more capable with a bigger engine.

(breathes in)

Does that make sense? I'm not sure it does.
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Old 26 April 2006, 20:33   #29
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Yes that does make sense to me .
I guess its a bit like learning about cars for the first time .
I went out to buy a car today It would be easy to know what engine size i wanted for size of car i was looking for . That is usually the bigest for me , but making the mistake of under powering is a bad one in a car and a I guess a boat .
I know that 50- 70 hp 4 stroke is as much as I want to pay the fuel for so finding the right hull is the learning bit here .

That Humber looks very good to me , a little more than I want to spend , but thats the story of my life .

I figure if the family have a great time in the sib this summer it will be easy to talk them into the bigger rib for next year
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Old 26 April 2006, 20:39   #30
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Country: UK - England
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Boat name: WhiteNoise/Dominator
Make: Ballistic 7.8/SR5.4
Length: 7m +
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MMSI: 235090687/235055163
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errr...Why spend that much then? It's perfectly feasible to spend 4k-5k on an older boat that'll do exactly the same job and you won't lose as much (if any) on depreciation.

The only real drawbacks are some dealers refuse to do anything other than service work on older motors and you've got to be pretty clued up before buying.

That Humber looks like a bloody good deal though.
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