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Old 03-27-2013, 08:03 AM   #801
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There is no answer...only preference.

Many will lean towards 2 if venturing to very remote areas where self rescue is important.

Many will lean towards 1 if that's not important...

But ultimately...there is no right answer except the one YOU make....no matter WHO tries to convince you otherwise.

If you are totally mechanically inept...the two or more may be a better solution for you...but as in all my answers in this discussion "may" and "maybe" or "possibly" are the most frequently used words.

I've been going to sea as a pro since college in everything up to 400 footers and have owned both single and twins with around 10 yers living aboard. I am just finishing up a 2000 mile, 4 month trip on the intracoastal.

For every advantage of 2 or 1...there's a disadvantage or you could even say neither can do more (99% of the time) and neither does less. That is because every boat is different and none perfectly suited for every situation.

Only a totally custom boat might tweek out an advantage across the board...but just barely.
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Old 03-27-2013, 08:29 AM   #802
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I suggest you read some of this thread first: http://www.trawlerforum.com/forums/s...read-8067.html
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Old 03-27-2013, 08:33 AM   #803
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I suggest you read some of this thread first: http://www.trawlerforum.com/forums/s...read-8067.html
I agree. You still will not have an answer to your question, but at least you can read all the pros and cons without having to have them repeated. :-)

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Old 03-27-2013, 08:41 AM   #804
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Greetings,
Welcome aboard, 1 vs. 2?

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Old 03-27-2013, 11:10 AM   #805
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We all understand your post RT but I'll bet the OP is wondering what all the panic is about.
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Old 03-27-2013, 11:32 AM   #806
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Jorge

Welcome!

One question: In 30 years of sailing, how many events of damage engines did you have and why? Now, having in mind that you were concentrated on sailing with the wind, now that you will be concentrated in an engine and therefore you'll be giving it a lot of TLC, how many problems you'll have per year?

How many masts did your sailboat have? Were two masts a lot to look for?
I would recommend that you use your best sailing common sense and apply it in your next motorboat.

Good luck
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Old 03-27-2013, 11:43 AM   #807
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Greetings,
Mr. mb. I think Mr. jorge's question was answered in posts #2 & #3. IF he is able to wade through the first 200 or 300 posts he should be able to reach the logical conclusion stated by Mr. psneeld UNLESS we want to try for 800+...
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Old 03-27-2013, 11:48 AM   #808
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Having boated for over 50 years with a single and during that time only experienced three failures, a single would and still is my first choice. As stated earlier in this and other forums, maintenance is the key. Not complicated but due diligence of the owner. Treat the engine as you treat your shared captain.
The only issue re sail over power, one source of mechanical power, is that a sail boat tends not to be subjected to the same wind/current issues when docking and undocking. Many folk think that twins will minimize that issue. Not true. Being able to handle the boat requires skill that comes with practice and always an alternative plan. If the vessel you are about to acquire has a single and you are worried think about a thruster. There is a new model on the market which does not require major construction and that will take care of managing your bow especally trying to get it into the wind.
The other issue re single and twin that you do acquire double the trouble and cost. So buy what fits your needs and regardless of power practice doing the difficult things, docking, undocking especally, until they become second nature.
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Old 03-27-2013, 12:00 PM   #809
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Greetings,
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Old 03-27-2013, 12:48 PM   #810
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RT - You Are Too Funny! This lucky OP has no concept what he has just entered by starting this thread! But, I do wish him great learning, fun, and enjoyment on TF.... Welcome Aboard!

BTW: My 10 cents!

Twins, Twins, Twins, Twins, Twins, Twins, - - > Cause I Like Em!
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Old 03-27-2013, 12:53 PM   #811
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As many as you care to feed ,maintain, and fix.
I can only afford one.
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Old 03-27-2013, 01:10 PM   #812
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Welcome aboard. You're certainly choosing a very controversial topic, but a very interesting one. In times like this where boat prices are highly depressed, I would recommend buying all the boat you can afford to maintain and operate. Twins can be seen as an unnecessary luxury or expense, but that being said, I love mine and what they add to our boat.
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Old 03-27-2013, 02:03 PM   #813
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Old 03-27-2013, 02:16 PM   #814
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I cant find the link. but this is similiar except that it uses four pisrones in teo cylinders. The one that impressed me used two pistonsw which fired both up and down making the two cylinders into four. The piston top and bottom were the dame and the wrist pins extended to operate rods to the crank

EcoMotors OPOC Two Stroke Engines Opposed Piston Opposed Cylinder

The "Ecomotor" is a flat engine like a Subaru or air cooled VW. Flat fours. An opposed piston engine always has two pistons per cylinder and two crankshafts. And the piston crowns oppose one another. They are all two stroke engines.
As I recall they ingest air from one end of the cylinder and exhaust it from the other. Port timing and the ratio of port area to cylinder volume is probably unique to the opposed piston engine.
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Old 03-27-2013, 02:22 PM   #815
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OMG - - > We've been thrown asunder... again! This time we're grounded with an outgoing tide! What "fun-thinking" moderator ever did this??? Quick, start all the engines in every boat (twins or single)... we all need to pull in same direction in order to reach deep water. Help, Help... We could be crushed upon the rocks... We Might Drown!!
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Old 03-27-2013, 04:31 PM   #816
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If I liked the boat, and thought it was a good deal I wouldn't let single or twin worry me. Either will push the boat.

You will be in a great cruising area.
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Old 03-27-2013, 04:47 PM   #817
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I'm a single engine fan but the argument about the single being more protected? Maybe yes but you'll still hit stuff. We were doing a sea trail in January when we picked up a serious vibration. The prop had just come back from the shop plus we had done a lot of other things below the water line. Over the side and here's what we found stuck around the prop.
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Old 03-27-2013, 08:16 PM   #818
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I don't see why anybody would want a single if they could afford a twin but like Don says it's not usually a deal breaker.
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Old 03-27-2013, 09:44 PM   #819
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Figure I'll have half the engine failures with one engine as compared to two. Hey, let's go for three like the WWII PT boats! Oh, wait a second. Many have a genset in addition to two propulsion engines. Now that's thrice the failure rate.
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Old 03-27-2013, 09:58 PM   #820
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Greetings,
Ya, don't forget twins sink twice as often as singles as well...
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