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 Catalina/Capri 25/250 Sailor's Forums
 General Sailing Forum
 Is a 15hp to much?		  New Topic  Topic Locked
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clayC
Navigator

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USA
207 Posts
Initially Posted - 08/17/2004 :  11:07:57  Show Profile
I would love to go out and buy that nice xtra long shaft 4 cycle but I am having to get by. It seems there are a few 15hp 2cycles out there. are the to much? they seem to weigh about the same.

Clay C
Kamalla 1980 C25 SK/TR
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Oscar
Master Marine Consultant

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USA
2030 Posts
Response Posted - 08/17/2004 :  12:42:25  Show Profile  Visit Oscar's Homepage
Not a waste, just overkill. Hull speed is hull speed, you're just not going to waterski behind this thing. The only time it could help is on big water motoring into big waves. Especially with a work prop on it you would use the extra HP to maintain speed. Is the size the same? Is it a 25 or a 250? Especially on the 250 every inch counts.


Money talks though. If the price is right and it fits, hang it on there.

Oscar
C42 # 76 "Lady Kay"
C250 # 618 Currently FOR SALE
http://www.woodenshoemusic.com/C250WB
Edited by - Oscar on 08/17/2004 12:44:07
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Ed Montague
Captain

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USA
499 Posts
Response Posted - 08/17/2004 :  12:58:56  Show Profile
Clay, When I first purchased my boat it came with an older Evinrude 15hp, 2 cycle. The 9.9 and the 15 are the same motor except the 15 is carberated differently. So the weight is the same. The motor ran fine, but don't expect it to push the boat any faster. If you find a 15hp 2 cycle at a good price, don't hesitate to buy it. Resale in the future will be better.
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dlucier
Master Marine Consultant

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Virgin Islands (United Kingdom)
7583 Posts
Response Posted - 08/17/2004 :  14:57:29  Show Profile
Clay,

From your profile, I'm assuming that you are on an inland lake, and if so, I would think that motors in the 8-10hp range should suffice (8-10hp should suffice for anyone, but some sailors have 5-6hp motors on their boats without issues). As previously stated, no matter how much horsepower you put on the transom, you can only go so fast with a displacement hull.

Currently, I use an 8hp two-stroke and it is all the motor I'll ever need. I've used it all all sorts of nasty weather, waves, and currents and it has performed admirably.
Edited by - dlucier on 08/17/2004 14:59:51
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tmhansen
Captain

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USA
397 Posts
Response Posted - 08/17/2004 :  15:57:50  Show Profile  Visit tmhansen's Homepage
My boat came with a 15hp four stroke. The previous owner said he bought it because it was essentially the same motor as the 9.9. He said if he was going to hang the weight back there anyway why not get as much HP as he could. Only time I can see that you could actually use the extra HP is in a very strong headwind since hull speed is hull speed.
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Bill Holcomb
Admiral

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USA
769 Posts
Response Posted - 08/17/2004 :  16:38:24  Show Profile
Hi Clay,

I've got a Mariner 15hp on Snickerdoodle. With the electric start it only weighs in at about 90 lbs. The electric start is terrific - Kathy loves it.

But, I seldom open the throttle more than half way. The boat cruises at 5 to 5.5 knots with pretty good gas consumption. Hull speed is at about 3/4 throttle - but gal/hour about doubles.

Bill Holcomb - C25 Snickerdoodle #4839
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aeckhart
Master Marine Consultant

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USA
1709 Posts
Response Posted - 08/19/2004 :  13:17:07  Show Profile  Visit aeckhart's Homepage
My 88 TR came with an Evinrude 9.9. It has worked great, in all conditions I've had to motor especially on Lake Superior. Weight is weight however. After 15 years and at age 55, it's getting harder and harder to raise that thing out of the water, particularly to tilt it.

Folks here are going to the Yamaha 8 HP 4 stroke with high thrust prop and power tilt. I'm told these were originally designed for walleye fisherman. Response from those that have them is very positive. I'm considering getting one just for the power tilt feature.

Al
GALLIVANT #5801
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Dave Bristle
Master Marine Consultant

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Djibouti
10005 Posts
Response Posted - 08/19/2004 :  13:32:10  Show Profile
<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by aeckhart</i>
<br />...I'm told these were originally designed for walleye fisherman...<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">
...and the 9.9 HT was orignally designed for oyster dredgers.

A Yamaha salesman once claimed to me that the High Thrust 8 has approximately the same thrust as a standard 2-stroke 15. So, take your pick--they both are more than adequate. The only issues then are (1) weight, and (2) the strength of your bracket. (I had to replace the bracket for my beefy Honda.)
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Todd Frye
Navigator

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USA
222 Posts
Response Posted - 08/19/2004 :  13:47:49  Show Profile
Clay,
Part of my staying with the original Honda 7.5 was insurance costs. My agent said that when I hang anything more than a 10 H.P. off the boat, insurance rates go up too. That may just be my insurance underwriter, but it never hurts to ask. Fair winds. Todd Frye
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jwilliams
Captain

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USA
357 Posts
Response Posted - 08/19/2004 :  13:52:26  Show Profile
I bought a 9.9 4S Evinrude long shaft for Hey Jude. If I had it to do over I would have gotten an 8hp somethingorother 4S long shaft, for the difference in weight.

I seldom run at more than 3/4 throttle.

Jim Williams
Hey Jude C25fk 2958
SF Bay
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
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