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25horse enough?
aaronbluestar	#1  Posted on 09/08/11 - 6:25 PM
Member Posts: 14 Comments: 0 Joined: 09/07/11	Would a 25 horse yamaha 2 stroke be enough for a 15ft whaler? Dont need to go fast but want to be able to put the boat up on plane. I relize this is at the low end for hsp rating. But want to stay lite and portable.
CES	#2  Posted on 09/08/11 - 7:01 PM
Member Personal Page Photo Albums Project Albums Posts: 2681 Comments: 7 Joined: 04/27/07	You'll be sorry putting that small of a motor on a 15'. Ya, it'll work with only one person on board and no equipment. Once you start putting more people and gear in the boat, it won't perform for you. Cliff 1966 13' Sport with a 1993 40hp Yamaha 2 Smoker
Joe Kriz	#3  Posted on 09/08/11 - 7:17 PM
Site Owner Personal Page Personal Album Photo Albums Project Albums Posts: 11447 Comments: 452 Joined: 03/18/05	TIP: It would have been best if you would have continued on with your other post. This way the basic question would be ongoing in one thread rather than spread it out so no one could find either of them very easily. Here is your other thread. http://www.whalercentral.com/forum/vi...d_id=13355 Edited by Joe Kriz on 09/08/11 - 7:20 PM
Justin Antolini	#4  Posted on 09/08/11 - 9:40 PM
Member Posts: 1 Comments: 0 Joined: 09/08/11	aaronbluestar wrote: Would a 25 horse yamaha 2 stroke be enough for a 15ft whaler? Dont need to go fast but want to be able to put the boat up on plane. I relize this is at the low end for hsp rating. But want to stay lite and portable. I just installed a 30hp E-Tec on my 15 and I will have to say its not all that bad -- I gor 29 MPH(GPS) with a 13p ss prop running @ 5700 RPM with me and my 4year old daughter in the boat -- Hole shoot was good I'm going to try a 15p prop this weekend
sailfish	#5  Posted on 09/09/11 - 2:47 AM
Member Posts: 1 Comments: 0 Joined: 04/03/10	In the end, I don't think you will be happy with a 25. I have a 40 on a 15 and it is fine. Not to much when kids run it and just enough to get a 4 person crew going.
blacksmithdog	#6  Posted on 09/09/11 - 3:12 AM
Member Personal Page Posts: 417 Comments: 0 Joined: 06/26/06	It will be a real dog with any kind of a load. If you look at my boat, I have a 4 stroke Merc on my 13'. It does great. This past Sunday, we had 5 adults of varying size in the boat. It got up on plane, but it took a looooooooooooooooooooooooooong time to do it. If it was me, I wouldn't put less than a 50 on it.
tedious	#7  Posted on 09/09/11 - 7:30 AM
Member Personal Page Posts: 1072 Comments: 2 Joined: 09/07/08	Aaron, if you can tell us what you're going to use the boat for, that would help. You really don't need 70 horsepower unless you have a lot of flat water to go fast in - the 15 is tough to keep on the water at high speeds in chop. 25 seems a bit low unless you're going to use the boat only in the harbor - I don't think you'll be able to stay on a plane in swells unless you have at least a 40. Tim
dgoodhue	#8  Posted on 09/09/11 - 10:29 AM
Member Posts: 278 Comments: 0 Joined: 10/04/05	I agree it seems low. My boat planes at 21/22 mph. I can go a little slower than that once it's on plane, but I find my self constantly adjusting the throttle to do so. Figure a top speed of 25mph. Even though 25hp is 5hp over the minimum hp raing I think you basically be limited to just running light loads. Dave