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10-12-2009, 04:42 PM
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#21
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Registered User
Join Date: Jun 2009
Posts: 670
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Quote:
Originally Posted by freddy21
Thanks Dowdy, would you know where I could get in toch with him or is he on Boatmad, if so do you know his user name so may be I could PM him.
Regards David
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here you go david
www.riversidepowerboats.com
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10-12-2009, 06:35 PM
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#22
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Registered User
Country: shropshire england.
Location: oswestry
Occupation: Retired
Interests: Yodelling
Boat name: Veni Vidi Vici or Conked
Boat make: G.P.14
Engines: 4h.p. Mercury
Cruising area: Cap de Agde
Join Date: Feb 2009
Location: oswestry
Posts: 1,311
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Quote:
Originally Posted by freddy21
Not sure about trim tabs yet, I think I will probably get it up and running first and see how it performs. The hull is quite unusual at the rear end as it almost has a box transom on the back, it would be interesting to find out why they were designed in such a way. It almost look like they were made to have them fitted.
What is the difference between having them fitted horizontally or in line with the 'V' ???
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Better on the V,on the horizontal only half the tab will be doing the job,the other stuck in fresh air.
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__________________
when in doubt trim outCARPE DIEM
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10-12-2009, 09:30 PM
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#23
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Registered User
Country: UK
Location: Weston Super Mare
Occupation: Electrical Engineer
Join Date: Mar 2004
Location: Weston Super Mare
Posts: 6,351
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everyone has there own opinions about this dude,
with the hull will give you more effect with less tab but it will steer the boat!!
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11-12-2009, 09:31 AM
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#24
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numbskull
Country: United Kingdom
Location: South
Occupation: none
Interests: none
Boat name: Leviathan
Boat make: Phantom 28
Cruising area: South Coast
Join Date: Mar 2004
Location: South
Posts: 15,959
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I do love the sweeping factual statements on this site.
__________________
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"I Agree with everything you say really!" - John Cooke to Jon Fuller - 26-01-2013
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11-12-2009, 11:53 AM
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#25
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Chief C*nt!
Country: United Kingdom
Location: Brighton
Occupation: Sparkler prefect
Interests: Boats
Boat make: Other people's mostly
Join Date: Mar 2004
Location: Brighton
Posts: 872
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Surrounded by fckin experts!
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What could possibly go wrong?
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11-12-2009, 01:46 PM
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#26
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BananaShark Member
Country: UK
Location: Salcombe South Devon
Occupation: Racer and builder
Interests: Winning races
Boat name: BananaShark
Boat make: BananaShark 34' Race
Engines: Twin Yanmar BY 260's
Join Date: Mar 2004
Location: Salcombe South Devon
Posts: 4,638
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Quote:
Originally Posted by Jon Fuller
I do love the sweeping factual statements on this site.
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Where are they on Swipes and Leviathing?
__________________
Cookee
British Champions! RIB Formula 1 2005
National Speed Record Holder at 90.15 (still)
www.bananasharkracing.com
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11-12-2009, 01:51 PM
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#27
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numbskull
Country: United Kingdom
Location: South
Occupation: none
Interests: none
Boat name: Leviathan
Boat make: Phantom 28
Cruising area: South Coast
Join Date: Mar 2004
Location: South
Posts: 15,959
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the back
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"I Agree with everything you say really!" - John Cooke to Jon Fuller - 26-01-2013
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11-12-2009, 03:00 PM
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#28
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BananaShark Member
Country: UK
Location: Salcombe South Devon
Occupation: Racer and builder
Interests: Winning races
Boat name: BananaShark
Boat make: BananaShark 34' Race
Engines: Twin Yanmar BY 260's
Join Date: Mar 2004
Location: Salcombe South Devon
Posts: 4,638
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Quote:
Originally Posted by Jon Fuller
the back
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Is that "mind your own business" or just being facetious?
__________________
Cookee
British Champions! RIB Formula 1 2005
National Speed Record Holder at 90.15 (still)
www.bananasharkracing.com
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11-12-2009, 07:13 PM
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#29
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numbskull
Country: United Kingdom
Location: South
Occupation: none
Interests: none
Boat name: Leviathan
Boat make: Phantom 28
Cruising area: South Coast
Join Date: Mar 2004
Location: South
Posts: 15,959
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As you know, 'facetious' is my middle name.
Leviathong has them in line with the deadrise, Swipes has them horizontal.
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"I Agree with everything you say really!" - John Cooke to Jon Fuller - 26-01-2013
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11-12-2009, 07:14 PM
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#30
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Registered User
Country: UK
Location: Weston Super Mare
Occupation: Electrical Engineer
Join Date: Mar 2004
Location: Weston Super Mare
Posts: 6,351
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Quote:
Originally Posted by Jon Fuller
I do love the sweeping factual statements on this site.
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I just get fed up with different people always asking the same questions, have they never heard of the search button??
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11-12-2009, 08:53 PM
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#31
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numbskull
Country: United Kingdom
Location: South
Occupation: none
Interests: none
Boat name: Leviathan
Boat make: Phantom 28
Cruising area: South Coast
Join Date: Mar 2004
Location: South
Posts: 15,959
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It wasn't aimed at you Rob.
__________________
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"I Agree with everything you say really!" - John Cooke to Jon Fuller - 26-01-2013
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11-12-2009, 08:59 PM
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#32
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Registered User
Join Date: May 2009
Posts: 496
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Quote:
Originally Posted by Burty
everyone has there own opinions about this dude,
with the hull will give you more effect with less tab but it will steer the boat!!
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Thank you for your explanation Burty, suppose that makes sense really
Regards David
ps. did do a search before I asked the question, but may not have searched hard enough
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11-12-2009, 09:10 PM
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#33
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Registered User
Join Date: May 2009
Posts: 496
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Quote:
Originally Posted by Jon Fuller
It wasn't aimed at you Rob.
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Good evening Jon, can I pick your brains please. Any theories of advise on drive height for my project, its easy with an outboard just drill a couple more holes and re bolt it, not quite so simple with stern drives.
I would like to get the best all round performance, but a bit worried about mounting it too high and struggling to get on the plane
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11-12-2009, 09:26 PM
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#34
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numbskull
Country: United Kingdom
Location: South
Occupation: none
Interests: none
Boat name: Leviathan
Boat make: Phantom 28
Cruising area: South Coast
Join Date: Mar 2004
Location: South
Posts: 15,959
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I think you could get away with running pretty high to be honest. there are plenty of props available these days that have excellent bite. Also, being stepped, I doubt the boat requires much, if any bow lift, so you don't need to worry too much about the thrust line being too high.
Also, I suspect you're going to be somewhat restrained by transom height, so it may be that wherever you feel the top of your motor/transom assy can be, sets your max height. Have u measured from propshaft centreline to the top of the transom assy? Transom on the H225 doesn't look particularly tall.
__________________
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"I Agree with everything you say really!" - John Cooke to Jon Fuller - 26-01-2013
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11-12-2009, 10:14 PM
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#35
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Registered User
Join Date: Jun 2009
Posts: 670
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Quote:
Originally Posted by Burty
I just get fed up with different people always asking the same questions, have they never heard of the search button??
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easy... its a forum and by its very nature peeps like to TALK about boaty stuff
wheres the best place to find the search button????
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11-12-2009, 10:25 PM
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#36
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Registered User
Country: shropshire england.
Location: oswestry
Occupation: Retired
Interests: Yodelling
Boat name: Veni Vidi Vici or Conked
Boat make: G.P.14
Engines: 4h.p. Mercury
Cruising area: Cap de Agde
Join Date: Feb 2009
Location: oswestry
Posts: 1,311
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Quote:
Originally Posted by Jon Fuller
It wasn't aimed at you Rob.
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Who me?Only giving the guy an answer to his Q,thats what we are all here for innit?
__________________
when in doubt trim outCARPE DIEM
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11-12-2009, 10:47 PM
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#37
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Registered User
Join Date: May 2009
Posts: 496
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Quote:
Originally Posted by Jon Fuller
I think you could get away with running pretty high to be honest. there are plenty of props available these days that have excellent bite. Also, being stepped, I doubt the boat requires much, if any bow lift, so you don't need to worry too much about the thrust line being too high.
Also, I suspect you're going to be somewhat restrained by transom height, so it may be that wherever you feel the top of your motor/transom assy can be, sets your max height. Have u measured from propshaft centreline to the top of the transom assy? Transom on the H225 doesn't look particularly tall.
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Hi Jon and many thanks for your reply. Yes I have measured it, if I mount the outer transom plate level with the top of the transom the cavitation plate is 1in above the bottom of the hull. So with the 2in shorty it would give me an X height of minus 3in in total in theory(or in other words the prop shaft will be 3in higher than if I had a standard bottom and the cavitation plate level with bottom of the boat)
With the above measurements do you think I will get away with it ??
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11-12-2009, 11:16 PM
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#38
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numbskull
Country: United Kingdom
Location: South
Occupation: none
Interests: none
Boat name: Leviathan
Boat make: Phantom 28
Cruising area: South Coast
Join Date: Mar 2004
Location: South
Posts: 15,959
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I think it definitely won't be too high. could go higher i'd say, but that will mean a carbuncle of a transom extension, so I guess +3" it is. Lucky you've got a shorty eh!
__________________
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"I Agree with everything you say really!" - John Cooke to Jon Fuller - 26-01-2013
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12-12-2009, 07:11 PM
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#39
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Registered User
Join Date: May 2009
Posts: 496
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Quote:
Originally Posted by Jon Fuller
I think it definitely won't be too high. could go higher i'd say, but that will mean a carbuncle of a transom extension, so I guess +3" it is. Lucky you've got a shorty eh!
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I am very lucky to have a shorty and very much in your dept, many thanks.
Just out of curiosity, props have change a lot since I last had a boat. How high could I go in theory???
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12-12-2009, 07:16 PM
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#40
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numbskull
Country: United Kingdom
Location: South
Occupation: none
Interests: none
Boat name: Leviathan
Boat make: Phantom 28
Cruising area: South Coast
Join Date: Mar 2004
Location: South
Posts: 15,959
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I expect if you wanted to, you could get the propshaft above
the bottom.
Having a V6 Mercedes motor that high in the air might look odd.
__________________
__________________
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"I Agree with everything you say really!" - John Cooke to Jon Fuller - 26-01-2013
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