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Wayne.B wrote in message . ..
On 15 Nov 2004 14:29:56 GMT, (BllFs6) wrote: Now, lets say I get the typical mostly enclosed small sailboat. Say 18 to 22 footer. How many HP would I need to push such a vessel at hull speed? And say for example that it calculates at 4HP, how much more power should I have in reserve to fight wind, waves, bad weather, avoiding running the engine at max power etc etc.... =================================== 3 or 4 hp would push it to hull speed (around 5 kts) in flat water and light wind. A total of 6 to 8 hp would be plenty for adverse conditions. Some things to consider: Get the longest shaft that you can to minimize prop pull out on wave tops. Get a prop with at least 3 or 4 blades and a low pitch, so that the engine can get up to speed and develop maximum thrust. They are available for small OBs but it may take some shopping around. While you are at it, get comfortable with sailing at the same time. It's lots of fun and the ultimate in redundant backup systems. Redundancy indeed...A friend of mine always said his ketch had 5 engines. One diesel and 4 sails. anyway, a couple other things to think about - if you're talking about a sailboat with no 'thingamabobs' as being one without the standing rig itself....bad idea. if it's stability you're looking for, leave the rig there, even if you don't intend to sail it. You'll be much better off. Also, learn to sail! If efficiency is a concern, you can't get much more efficient than 'free fuel'! i.e. the wind! And it's fun, rewarding, and frankly, will teach you a lot more about being on the water than any power boat. Tides, current, wind, weather...right down to the benefit of tying a decent knot etc...all become more apparent under sail, and that knowledge does help you become a better overall boater in my opinion. Lastly, one thing to be said for the powerboat comparison you mentioned r.e. bad weather...yes, a small sailboat will likely have a 'better' comparitive ride, but the small powerboat will probably be tucked back into port while you're still enjoying that 'better' ride! I don't know, having owned both - they each have their benefits, but I'd have to say (keeping in mind I now own a 42' trawler) that I enjoyed sailing that small Alberg 22' sloop as much or more than running any of the other smaller powerboats I've owned. Best of luck.... Capt. Rob Welling Sarasota, FL |
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