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 Catalina/Capri 25/250 Sailor's Forums
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 Propane powered outboards		  New Topic  Topic Locked
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dmpilc
Master Marine Consultant

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USA
4593 Posts
Initially Posted - 03/26/2012 :  20:18:02  Show Profile
I got to see the 2.5 hp version today when I picked up my Nissan from the shop. Pretty impressive motor. Powerhead is supplied by Yamaha:
http://www.golehr.com/marine.php
They said a 1 lb bottle will run the 2.5 about 2 hrs. I think that they are going to be a bit pricey, though. Couldn't get a precise amount as they had just received the motor, but he hinted at around $1,200 for the 2.5 hp unit.
DavidP
1975 C-22 SK #5459 "Shadowfax" Fleet 52
PO of 1984 C-25 SK/TR #4142 "Recess"
Percy Priest Yacht Club, Hamilton Creek Marina, Nashville, TN
Edited by - dmpilc on 03/26/2012 20:20:54

zeil
Master Marine Consultant

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Canada
1314 Posts
Response Posted - 03/26/2012 :  21:04:55  Show Profile
Like to idea of not having to carry a fuel tank but instead a couple of small light-weight bottles... wonder if it has the same hp using propane and if the engine is lighter as well
Edited by - zeil on 03/26/2012 21:05:41
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dmpilc
Master Marine Consultant

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USA
4593 Posts
Response Posted - 03/26/2012 :  21:10:06  Show Profile
HP is supposed to be about the same as with a gas engine. The web site says the 2.5 weighs about 37 lbs and the 5 hp long shaft about 53 lbs, if I remember correctly. By comparison, my 5 hp 4-stroke Merc weighs 58 lbs.
I'd like to see a propane model in 3.5 hp.
Edited by - dmpilc on 03/26/2012 21:12:20
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OJ
Master Marine Consultant

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USA
4382 Posts
Response Posted - 03/27/2012 :  10:41:24  Show Profile
Might be practical if this is your only outboard. One of the reasons we replaced our 2-stoke dinghy motor was so both outboards would run on the same fuel.

Alternative fuel technology is coming out of the woodwork. Betcha you'll see CNG outboards by years end.

<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by dmpilc</i>
<br />. . . The web site says the 2.5 weighs about 37 lbs . . .
<hr height="1" noshade id="quote"></font id="quote"></blockquote id="quote"> FWIW, our 2.5 Suzuki 4-stoke weighs-in at 30 pounds. Great for carrying between car and dinghy. Sweet little motor
Edited by - OJ on 03/27/2012 10:46:10
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Dave5041
Former Mainsheet Editor

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USA
3758 Posts
Response Posted - 03/27/2012 :  16:38:14  Show Profile
To bad they are so expensive. The engines are the same except for the fuel induction/mix and ignition timing, so there shouldn't be a significant weight difference and HP is about the same. Conversion to CNG is the same, but the high storage pressure is an issue. One would hope that prices will come down as alternative fuels become more common. Our local school district started adding propane busses in the late sixties and about half of them are now propane powered with no issues.
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dmpilc
Master Marine Consultant

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USA
4593 Posts
Response Posted - 03/29/2012 :  07:56:41  Show Profile
Yeah, looks like they are priced about $400-$500 more than a comparable gas powered Tohatsu. Those see-through external tanks are expensive, too, $75-$110. Makes the whole thing a bit unattractive. Perhaps they'll find a following with racers who are concerned with weight at the stern.
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.