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2 deg of deadrise...that big of a deal?

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2 deg of deadrise...that big of a deal?

Old 03-01-2012, 04:44 PM
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Default 2 deg of deadrise...that big of a deal?

Looking at buying a boat.
Have 2 in mind I have looked at,
2006 Polar 2300 WA (verified, no cracks in the hull or decks) with 21 deg and a 250 Yamaha
or
2007 Sea Fox 236 WA with 19 deg and Suzuki 200.

I believe my old 96 Proline Sportsman 210 was 19 deg and didnt seem that bad to me?

2 deg that big of a deal?

The bigger issue to me is the Polar is significantly heavier (4100 vs 3100)
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Old 03-01-2012, 04:55 PM
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I think the seafox maybe just a bit underpowered with 200HP. Mine is 225, and it's rated for 250. But, not being an engine guy, I don't know for sure. As for the deadrise, people on THT bitch that you MUST have a 24 degree deadrise. Perhaps this is true for the diehards, but for me, I appreciate a little more stability on the drift. As for a two degree difference, who knows?
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Old 03-01-2012, 04:55 PM
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Think of the grand scheme. Normally whats considered an offshore boat, you go from 18*-24*. Every 2 Deg is 33%. The weight helps too. I would take the heavier with more dead rise in this case.

Sometimes weight will kill the deadrise if the boat is underpowered. But this case, the boat seems to have the right power.
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Old 03-01-2012, 05:04 PM
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Originally Posted by EODContender View Post
Think of the grand scheme. Normally whats considered an offshore boat, you go from 18*-24*. Every 2 Deg is 33%. The weight helps too. I would take the heavier with more dead rise in this case.

Sometimes weight will kill the deadrise if the boat is underpowered. But this case, the boat seems to have the right power.
I would tend to agree. The right combination of weight and power helps achieve the best ride out of a boat.

I know polar had a bad wrap for gel coat cracks and it was fixed in 2006. Looking at this boat I would have to say I agree.

I'm just currious if 2 deg is noticable? 19-21 deg, I would say no? 18-24 deg? Yes.
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Old 03-01-2012, 05:07 PM
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Originally Posted by sea_major View Post
I think the seafox maybe just a bit underpowered with 200HP. Mine is 225, and it's rated for 250. But, not being an engine guy, I don't know for sure. As for the deadrise, people on THT bitch that you MUST have a 24 degree deadrise. Perhaps this is true for the diehards, but for me, I appreciate a little more stability on the drift. As for a two degree difference, who knows?
You make a good point, drifting stablility on a 19 deg vs 21 deg? I have to say this difference must be hardly noticable both on a plane and drifting. I would think the Polar would ride better in chop only due to the 1,100lbs increase. My 2 cents.
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Old 03-01-2012, 05:48 PM
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Have you looked for an older boat by a more reputable manufacturer?
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Old 03-01-2012, 05:51 PM
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Originally Posted by meanjean View Post
You make a good point, drifting stablility on a 19 deg vs 21 deg? I have to say this difference must be hardly noticable both on a plane and drifting. I would think the Polar would ride better in chop only due to the 1,100lbs increase. My 2 cents.
Just also consider the extra fuel consumption from pushing that extra weight.
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Old 03-01-2012, 06:00 PM
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Originally Posted by miike View Post
Have you looked for an older boat by a more reputable manufacturer?
I have and have reservations about wood in boats. Its my own personal opinion. Nothing against it. A 4 stroke is a must and most "reputable" older boats dont have one. Layout and design of a 92 Grady White doesnt appeal to me.

Last, there are not many around this area (VA)

I could wait and hope to find the right one but it could never come along.
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Old 03-01-2012, 06:25 PM
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I'm not an expert on this subject but my close friend has a very nice 27' Stamas (I think 18 degree?) and it rides A LOT harder than my similarly sized Mako (23 degree).
With the extra 1,100 pounds and the extra deadrise in the Polar I would say the boat should ride noticeably better. If the Sea Fox weighed 1,100 pounds more you could probably argue it might be close, but in this case it is the opposite.
I wouldn't think the Polar would rock and unacceptable amount on the drift.
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Old 03-02-2012, 09:04 AM
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Generally speaking, you can't use deadrise in isolation to determine how a boat will ride. As has been mentioned 1,000 times before, weight, length, and other factors contribute significantly.

Also, variable deadrise hulls are getting more and more popular as manufacturers seek fuel efficiency, so sharp entries transitioning to flatter sterns seems to be a continuing trend.

Bottom line is, in 3-5's, no powerboat under 30' is enjoyable..
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Old 03-02-2012, 09:23 AM
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Big flat chines can also cause a boat to pound but I would very much perfer a 21 degree to a 19 degree based on the overall comparision IF we are talking primary use of offshore....Course the true test is an ACTUAL sea trial...
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Old 03-02-2012, 10:01 AM
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Do 2 degrees in deadrise matter? From 24 to 26 no, from 19 to 21 yes. From the 2 choices the OP listed I would go with the Polar and the Yam 250, everything else equal.
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Old 03-02-2012, 11:01 AM
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there are more things to consider than just the deadrise at the transom of the boat as far as ride quality and stability are concerned...that one number alone tells you very little...just because a girl has the measurements you like doesnt mean shes pretty and shes not going to have characteristics you wont like....
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Old 03-02-2012, 11:07 AM
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Polar.
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Old 03-02-2012, 12:30 PM
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Thanks for the input. I'm leaning towards Polar myself. Looked at the sea fox today, didn't like some of the features. I'll see the Polar tomorrow.
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