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Old 26 September 2006, 18:32   #21
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Country: UK - England
Town: cornwall
Boat name: nothing
Make: rib eye 430
Length: 4m +
Engine: tatsu 50
MMSI: 666
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Quote:
Originally Posted by Richard B
If you check out your facts, you'll find that it''s in spec for this model.
Thats good should go well

What about the fin though would that have been fitted because its stern heavy or are there other reasons for fitting it ?
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Old 26 September 2006, 18:47   #22
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Country: Canada
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Make: Zodiac SRMN
Length: 5m +
Engine: Yamaha 100
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I checked your web site Richard B. and it made me feel better - at least when it goes about towing vehicle choice. Is that a 4 or 6 cyl Merc? You towing more than double the weight of my package so I think I should be OK with my VW. Nice boat too...
I'll get some advice on that fin issue.
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Old 26 September 2006, 19:15   #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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Search this site for doelfin(s) or doel fin and see what you come up with. There's a lot of + and - points to having them. I've had a bad experience with them but some love 'em...

General consensus (though never owned them) is that smart tabs are better though.
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Old 26 September 2006, 19:44   #24
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Quote:
Originally Posted by RichardP
I checked your web site Richard B. and it made me feel better - at least when it goes about towing vehicle choice. Is that a 4 or 6 cyl Merc? You towing more than double the weight of my package so I think I should be OK with my VW. Nice boat too...
I'll get some advice on that fin issue.
Lovely boat. Previous owner was a top bloke
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Old 04 November 2006, 06:11   #25
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Town: Christiansted.V.I.
Boat name: Froggy
Make: Avon SeaRider
Length: 4m +
Engine: Johnson 50
Join Date: Oct 2006
Posts: 312
Doel Fin

Quote:
Originally Posted by Nos4r2 View Post
Search this site for doelfin(s) or doel fin and see what you come up with. There's a lot of + and - points to having them. I've had a bad experience with them but some love 'em...

General consensus (though never owned them) is that smart tabs are better though.
I mounted a 50 Johnson on my 4.7 Searider and ended up with Doel Fins which seem (to me) to have made an improvement in three areas.

1. I troll a lot at around 7 kts. and the fins make it easier to stay in that
groove without bogging down or running away.

2. The 50 was not the max hp spec for this boat and the fins seem to make
it easier to get up on a plane with a heavy load.

3. I do a lot of diving and the fins make for a real nice step when boarding
the boat.

I don't monitor WOT speed and my guess is that the fins slow the boat to some degree, just my intuition. Performance flat out however remains just fine for me and in 1.5 to 2 meter seas I don't have the cajones to run flat out anyway...or possibly more accurately speaking, I wouldn't have any cajones left were I do do much of that in a 4.7 meter hull!

After nine years of hard use I can say one thing about the fins. They are durable. I am familiar with trim tabs but not familiar with smart tabs and will look for more info just out of curiosity. I've got this bug where I might upgrade to a 5.85 Ribcraft so I'm collecting information on all the details various systems to possibly maximize the set-up on a new boat. As posted elsewhere, the SeaRider after nine years is still tough as nails with no problems noted on either the tubes or the hull even with our brutal UV index down here!
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Old 04 November 2006, 10:02   #26
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Country: Canada
Town: Tobermory, Canada eh
Boat name: Verius
Make: Zodiac Hurricane 590
Length: 5m +
Engine: Yamaha F150
Join Date: Oct 2006
Posts: 1,345
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Quote:
Originally Posted by Alan View Post
When I had a 7.5m boat and trailer (around 2250kg all up) I used an Isuzu Trooper SUV.
A lot will depend on how much towing and where you are towing it. If your limit is house to ramp and back and it only a short distance then you'll be fine. I used to drive a Trooper Alan, and when I got my new boat (the 590) I managed to blow rings in the truck engine three times in six months. This was from towing at 130 km/h down major highways. Once I upgraded to a Yukon, I had no problems at all...

The boat looks like it's in good shape, but if it has been used in salt water and not maintained properly, you might be in for a world of hurt. Perhaps insist on an impartial inspection by a marine mechanic. As was pointed out, this might be a little pricey, but there isn't the same supply of used boats here.
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Old 06 December 2006, 17:41   #27
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So how did it turn out RichardP? Just curious as i have been looking around the area also and the more info the the better. The pickens are slim out here on the wet coast and the sellers know it
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Old 06 December 2006, 20:37   #28
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Town: Punta gorda Fl.
Boat name: War Machine
Make: Falcon U.S.A.
Length: 9m +
Engine: twin 250 Yamaha
Join Date: Jan 2006
Posts: 936
Re boat purchase

Looks like a pretty nice rig, if you like it when you run it buy it, it will give you lots of enjoyable days out. It looks to me like you have a black painted aluminum wheel (Yamaha has both black and white aluminum props) with some paint taken off from touching bottom a bit in sand or from prop cavitation, with enough cavitation paint can be taken right off the blades. A few things I would check or want to know if buying the boat... if the engine shows little use (nice paint, very clean under the cowling) it probably does have very little running time. If you are worried check/compare compression with factory numbers on the cylinders, that will tell you a lot. I am a fan of Yamahas, the motors I have owned have been very reliable. I would definitely check the shaft length on the motor, Yamaha builds motors with different shaft lengths, trim the motor all the way down with the boat on the trailer, the prop should just clear the bottom of the boat. (keel) Sometimes people buy a motor with incorrect shaft length, too short and it will cavitate like crazy in turns or in waves, the doel fin could have been fitted to address cavitation if it is too short. It looks like the boat has a pretty deep vee in comparision to the motor's shaft length but that could just be because of the picture angle. Hope it is all ok and works out for you, good luck!! Oh, and Happy Holidays!!
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Old 06 December 2006, 23:39   #29
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Country: Canada
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Make: Gemini
Length: 4m +
Engine: 40hp 2 str
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Here is a link to a PDF file on the specs for this boat. Max power is 90 hp and max engine weight is 348 lbs.

http://www.zodiacmilpro.com/product/zodiac/500SRMN.pdf
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Old 07 December 2006, 01:36   #30
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Quote:
Originally Posted by pathalla View Post
It looks to me like you have a black painted aluminum wheel (Yamaha has both black and white aluminum props) with some paint taken off from touching bottom a bit in sand or from prop cavitation, with enough cavitation paint can be taken right off the blades.
Got news for you, buddy;

With enough cavitation, aluminum can be taken right off the blades. Don't ask how I know, as I'll disavow all knowledge of running a prop without a spacer to take up the slack between the prop and the prop nut...

jky
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