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 Catalina/Capri 25/250 Sailor's Forums
 Catalina 250 Specific Forum
 cruising speed with diesel		  New Topic  Topic Locked
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Rob Poirier
Deckhand

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Canada
23 Posts
Initially Posted - 01/30/2003 :  15:08:45  Show Profile
Could anyone who owns a 250 WK with the diesel auxilary please comment on average cruising speed under power. Someone I know has been admiring my 250 WB and this is the one question I can't answer.

Rob Poirier
1995 250WB #44
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Douglas
Master Marine Consultant

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1595 Posts
Response Posted - 01/30/2003 :  18:19:57  Show Profile  Visit Douglas's Homepage
I dont own one but I do own another diesel boat. If there is a 250 with a diesel in it it should be able to push it at hull speed.

Doug&Ruth
Triska (Alberg 29)
Tacoma Wa.
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Arlyn Stewart
Master Marine Consultant

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USA
2980 Posts
Response Posted - 01/30/2003 :  18:33:43  Show Profile  Visit Arlyn Stewart's Homepage
If Blair doesn't see and respond to your post...email him at
bdehuff@aol.com

He is the only one that owned a deisel and shared on the forum. He has moved up to a larger Catalina but will answer your question I'm sure. I do recall that initially, he wondered about the cruising speed himself as his boat wasn't reaching hull speed. If my memory is good, he was reaching around 5.3 knots at reccomended cruising rpms. But, I think his altitude in Colorado came into play.

Unless I'm in a hurry and have gas to burn, that is what I cruise with the Honda 8 - 4 stroke. I think of the outboard in thirds, it takes 1/3 throttle to get to 5.3 knots, another third to get to 6.2 and that last third will just churn water.

Arlyn C-250 W/B #224
R&R N/E Texas and Great Lakes

[url="http://www.cox-internet.com/arlynstewart/"]Arlyn's C250 Mods n Cruisin Stories[/url]
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bdehuff
1st Mate

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USA
41 Posts
Response Posted - 02/02/2003 :  14:05:09  Show Profile
Rob and Arlyn,

I did initially comment on the cruising speed with an inboard diesel, as Arlyn says. Arlyn is correct that the cruising speed was a little slow, I assume due to altitude. You lose some power at 6000 foot elevation (Lake Tahoe). I could get about 5.3 kts at 3400 rpm as Arlyn mentioned. I could get 5.5 at 3600 rpm, but it wasn't worth the fuel. Since I did not trailer my boat I did not have an opportunity to sail it at sea level. Therefore, I unfortunately cannot provide any input on the relative performance of the diesel at a lower elevation. One of the disadvantages of not trailering your boat. It would have been an interesting comparison.

I'm currently boatless waiting for one to be delivered in April. I plan to stay in touch with this forum. The only sailing I can do right now is the virtual kind. I will find out the name and email address of the person who bought my boat (it's still at Lake Tahoe)and encourage them to join the association/participate in the C25/250 forums. Since there are only a handfull of C250 WK's with a diesel, if anyone is interested in discussing the pro's and con's I'm glad to accommodate.

Blair Dehuff
bdehuff@aol.com



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puffin
Deckhand

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16 Posts
Response Posted - 02/07/2003 :  13:31:37  Show Profile

I currently have a 250 with diesel and typically cruise at about 4.5 knots. To get to 5.0, I need to push it pretty hard.
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bdehuff
1st Mate

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USA
41 Posts
Response Posted - 02/08/2003 :  20:34:32  Show Profile
Puffin,

Where are you located? What RPM do you cruise at (3,400)? What kind of prop do you have? (Mine was a two blade Martec folding prop).

Seems you should be getting better than 4.5 kts at normal cruising RPM's. I was losing about 15 to 20% of my power at 6200 foot elevation. Had no trouble achieving 5 kts, and I added a LOT of weight to my boat.

Blair
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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.