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23-06-2008, 01:08 PM
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#1
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Registered User
Country: uk
Location: bournemouth
Occupation: flooring
Interests: boats, bikes, diving , snowboarding
Boat name: 88
Boat make: p18
Engines: merc 200
Cruising area: south coast
Join Date: Jun 2008
Location: bournemouth
Posts: 208
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help do i need trim tabs???
hi just wondering if any body knows if trim tabs would work OK on a ring 16. because when i throttle up the boat tries to turn and lean to one side (left). running 2.5 200 merc, its of set 1 half inches. didnt want to make new holes so just used the ones that were there. i use it on the sea
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23-06-2008, 01:49 PM
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#2
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Senior Member
Country: UK
Location: Devon
Occupation: Garage Proprietor
Interests: PowerBoat Racing
Boat name: If Only
Boat make: Bernico F3 OCR, Bernico Prototype Inboard, and some Ribs
Engines: Yamaha Pro V 115
Cruising area: UK, France
Join Date: Jan 2005
Location: Devon
Posts: 3,095
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Put some weight in the front (fuel tank) and trim it out !! better still fit a smaller engine or a bigger boat !!
Bob
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If Only
National Outboard Immersed Propeller Mono Record 103mph
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23-06-2008, 02:21 PM
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#3
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Registered User
Country: uk
Location: bournemouth
Occupation: flooring
Interests: boats, bikes, diving , snowboarding
Boat name: 88
Boat make: p18
Engines: merc 200
Cruising area: south coast
Join Date: Jun 2008
Location: bournemouth
Posts: 208
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yeah tried the smaller engine but it wet too slow. I'll try moving stuff about . don't want a bigger but just yet, maybe after summer!!
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23-06-2008, 02:33 PM
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#4
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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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Trim it out a bit or try lifting the engine up. where is the prop shaft in relation to the bottom of the boat?
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23-06-2008, 04:21 PM
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#5
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Registered User
Country: uk
Location: bournemouth
Occupation: flooring
Interests: boats, bikes, diving , snowboarding
Boat name: 88
Boat make: p18
Engines: merc 200
Cruising area: south coast
Join Date: Jun 2008
Location: bournemouth
Posts: 208
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not sure, its a long shaft and is as high as it can go with out making new holes. so that's why i thought maybe trim tabs. i cant move fuel tank as have glassed it well in at front of the boat. i don't have loads of money to sort this out. i don't really want to put more weight in the boat also. may be then move the engine even higher?? what about a lifter, or would that be heavy for my boat ?? thanks for any suggestions
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23-06-2008, 04:49 PM
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#6
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Registered User
Country: England
Location: Manchester
Occupation: PM
Boat make: Phantom 18
Engines: Rude 150HO
Cruising area: Windermere/ Barrow
Join Date: Jan 2008
Location: Manchester
Posts: 230
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To start I want to say good work on sticking a decent amount of HP on a Ring 16. I've always wanted to know how well they would go with a V6.
To the question, yes an engine jack would be a good idea. No the weight wouldn't affect it, you've got enough power to make that added weight insignificant.
Getting the engine the right height should stop the leaning and give you a better top end speed.
Which way does it lean and which way is the engine offset? Start by putting battery etc on the opposite side to the lean.
Maybe try a prop with a bit less bite in it if all else fails, at the end of the day thats probably has the biggest effect on handling that you'll notice, try and borrow one and give it a try before you buy one.
Good Luck, keep us all updated on how you get on.
Remember only to do one change at a time, if you go wholesale you won't know what has worked and what hasn't. Its a long process but worth it when you have the perfect set up.
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23-06-2008, 07:07 PM
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#7
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Registered User
Country: uk
Location: bournemouth
Occupation: flooring
Interests: boats, bikes, diving , snowboarding
Boat name: 88
Boat make: p18
Engines: merc 200
Cruising area: south coast
Join Date: Jun 2008
Location: bournemouth
Posts: 208
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well thanks for all the advice i've got a few things to try now. i'll leave the trim tabs alone and see what happens
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24-06-2008, 03:33 PM
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#8
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Registered User
Country: uk
Location: salcombe
Occupation: semi retired
Interests: racing(middle east class 3 6l)
Boat name: still no worries
Boat make: phantom18
Engines: 2.5 efi
Cruising area: salcombe
Join Date: Dec 2007
Location: salcombe
Posts: 499
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my mate had a ring 16 with xr2,
after quite a lot of trying we gave up and got a tandem 16 phantom instead much better, high 70's we took it to windemere for the 3 hr race one year and managed to stay in it, but ultimately you need a bigger boat (18 phantom) until then have fun.......
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