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Old 05 June 2004, 12:25   #11
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Country: UK - Scotland
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the number is normally stamped on a mermaid plate on top of the chrome rocker cover. sometimes they have fallen off or been removed, in which case you have a problem......
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Old 05 June 2004, 12:37   #12
Seb
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Id

The engine serial number (Ford number) is stamped both on a plate on the bell housing (starboard side) and on a flat casting on the engine block behind the injection pump.

Good Luck

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Old 29 June 2004, 14:37   #13
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Andy,
I just bought a 22 which is allegedly 180hp on a Dover turbo 4. I spoke to Mermaid about it (who were brilliant) the guy said that the way to find out if the upgrade was done properly is to check what turbo charger has been fitted should be either Mermaid or KKK and if you can give them the numbers off it they cna tell you if it has been upgraded at all or properly. The other way to tell is buy how fast it goes if your boat is getting on for 300 knots then it has been uprated properly. Hope this is helpful. I am a novice and learning as I go. There are a few things I would like to do to my 22 one idea is to mount the console at the back on the engine cover to create deck space. Still thinking about it though.
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Old 29 June 2004, 15:16   #14
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Pics, pics, pics......
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Old 29 June 2004, 16:27   #15
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mermaid

Dunc,

That is the best way, to phone mermaid. If the boat is a fast one, it does not mean that it has been uprated by mermaid though. Just by tweaking the fuel screw can uprate the power at WOT quite a bit. Very few P22s have actually been uprated properly above 165 hp due to the costs involved.

Also factors such as weight, fuel onboard, clean hull, good prop etc can make a massive difference. I always have more fun leaving my friends at the dock, making the boat lighter, and taking it out for a spin on my own. - mmm I wonder why i dont have many friends!
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Old 29 June 2004, 17:02   #16
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Dunc, this one is Jamies and a P24 which is currently for sale but might be what you are thinking about. why do you need deck space ?

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Old 07 July 2004, 14:15   #17
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I need the deck space as I want to use the RIB to run eco-tours and would prefer to have clients sat in front of me and facing forwards where possible. I looked at Jamies boat but considered it too big for towing every day. I am thinking about mounting a console on the back of the engine housing with bolsters behind to lean on. Then have four people sat on the housing in front two facing side ways and two forwards and then either four pod seats or two two person benches in front. Jamie actually gave me the idea of doing this although he was talking about fitting a console like the one on his Pacific 24 (I thought it would be a 28 at 8.5 metres?). To reply to the engine uprating comment when speeking to the guy at mermaid he said the chances are if the upgrade was not done poperly the boat would not have gained any performance and the key is to check the parts and serial numbers used for the upgrade particularly checking the make of turbo unit.
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Old 07 July 2004, 17:46   #18
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Dunc, Do remember that the speed wil drop considerably when you have more than six people on board, including all the extra kit needed to code the boat. So i sometimes wonder if there would be much point in putting more than 6 seats onboard. Pete7, what is the max number of people that you have had on board with all the kit etc, and what speed were you getting?
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Old 08 July 2004, 00:54   #19
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Nev, with the old prop (size not known) had 8 people on board and it took 2 miles to plane.

Empty boat is 27-28 knots with full coding kit. With four divers (say 25 kg of kit each speed is down to 23 knots. With six divers, 20 knots although we have been down to 14 knots battling into a head sea.

As you say speed does drop considerably with the extra weight.

My coding is with YDSA and she passed stabilitly tests for 9 people on board. That was probably our lot, with the extra weight of the coding kit including liferaft etc. Dunc you might be able to use the same stability tests which would save a few bob as once one in a class has passed I think they all will if there are only minor modifications. You would have to chat with them.

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Old 08 July 2004, 12:41   #20
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Thanks for the advice. I was thinking about that configuration so that everyone was facing forward and in front of me. The other option is to keep the seating the same but put stainless steel frame work around to give everyone support. I am intending to get a few friends on board to do a few weight/speed tests.
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