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Old 10 March 2003, 13:48   #241
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Country: UK - England
Town: Blackpool
Boat name: To Exi
Make: new sib 4 man
Length: 8+ft
Engine: Mariner 4hp long shaft
Join Date: Nov 2002
Posts: 1,012
Its a 30ft rib with a Kad300 in her and is used as an egsample only.At standstill she is down by the stern bye 4 inches up the tube.She has a lot of weight forward,So imagine what it would be like withought the forward weight or Cabin.She will not look right .UnTill you gun here.And Im no expert or even a DIY person , this is a Generated as a predicted hull model with weights, to see what she would in theory float like if it were built.Which it will never be as she will never conform to the New leisure craft RCD cat B offshore stability tests requirments for leisure craft.

I am aware that RCD is not important to you.But its for refrence only and food for thought,as with all the other stuff your thinking about.

Good luck you may find this an alternative to a fag packet see http://www.formsys.com/Maxsurf/MSPro...RHydromax.html

Know be fair dont you think specilist advice maybe needed before you cut any holes in her at this stage of your project.Or consult with JK or AP they have done it with a rib.

Good luck anyway.

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Old 11 March 2003, 04:06   #242
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Country: UK - England
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Boat name: To Exi
Make: new sib 4 man
Length: 8+ft
Engine: Mariner 4hp long shaft
Join Date: Nov 2002
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This above Cabin model is a lot heavier than your proposed boat, therefore it floats so far down at the stern.
With your proposed weight being lighter and forward weight and tanks ect,and APs recommendations My belief is that the engine should should be left where it is,as Per AP recommendations. The above boat weight is aprox 3.5 ton fully loaded.

That is my personal view only on this very difficult decision IMHO. But good luck .Keep it simple is a good philosophy,and when in dought do nought is also relevant.

Most important of all is, What do Humber recommend its there boat design and I would think they will recommend what is best for there hull design?

I am not purporting I know about the stability of your Humber boat and would not want the responsibility of directing you incorectly, but I do feel It is prudent to reavalute imformation as it comes in and maybe be prepared to change ones initial view based on differnt imformation that becomes relevant from those who may of used it ,or designed it, or built it If I am unsure in anyway of your own experiance on this very difficult decision.

Good luck
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Old 11 March 2003, 19:30   #243
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Are the any updates on this topic or changes of oppinion on the subject of {Where Should JW stick his engine} LOL
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Old 12 March 2003, 03:08   #244
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Country: UK - England
Town: scotland
Boat name: Leviathan
Make: Phantom
Length: 8m +
Engine: GM Diesels
Join Date: Jan 2003
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If he can afford it, maybe he should employ the professional services of Manos the marine consultant, that would put this to bed, once and for all!
I'm losing the will to live with this subject!
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Old 12 March 2003, 03:44   #245
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Old 12 March 2003, 04:07   #246
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Bit of good news JW,I have asked friend who actually has Humber 8.5 with a Kad 44 in her and uses the boat commercially.

Its a winner with the engine in the stern as per APs advice.He is based in Scotland and your welcome to go and Have a look and a discusion. He is happy with her and its the same weight of engine as the Kad 300.JW if you would like, pm me I will give his details.

I hope this finally puts this one to bed.Good luck and also the good news is she is a great boat offshore.
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Old 12 March 2003, 06:47   #247
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If were're speaking about Pete Fowler, yep, but he's fitted trimtabs ( other post on this site ) and he carries 12 people up front.


Thanks though.

JW>
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Old 12 March 2003, 07:17   #248
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My money is on you will put her in the stern,your welcome JW
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Old 12 March 2003, 10:14   #249
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Quote:
Originally posted by Jon Fuller
.... he should employ the professional services of Manos .............
VERY FUNNY!!

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Old 14 March 2003, 13:42   #250
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Surface drives 4 Crazyhorse

This is what u need!
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