cruising speed of a CD 330

Discussions about Cape Dory, Intrepid and Robinhood sailboats and how we use them. Got questions? Have answers? Provide them here.

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Frank Vernet
Posts: 245
Joined: Feb 7th, '05, 16:42
Location: Cape Dory 33 "Sirius" Hull #84 Deale, MD

5424 Specifications Graph

Post by Frank Vernet »

The graph is from the Universal 5424 sales brochure and shows HP, torque and fuel consumption rates at various RPMs.

Image
Last edited by Frank Vernet on Nov 21st, '11, 15:51, edited 1 time in total.
"A sailor's joys are as simple as a child's." - Bernard Moitessier
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Ralph H
Posts: 37
Joined: Mar 18th, '07, 00:54
Location: '85 Cape Dory 330 "Liberty" (#125)
'62 Sea Sprite 23 "Lady J"

Engine hours always include motor-sailing hours ...

Post by Ralph H »

So maybe fuel consumption at 2250 rpm while motor-sailing is ~30% of fuel consumption at the same rpms unaided by sails? This is the only explanation I can come up with ... I know my engine hours and total fuel consumption data are good and by the time I need to run the engine under sail, I am always at 2000rpm at least. (by my tach)
Does this make sense to the 1 gal/hr crew?

Anyway, I'm glad I'm not paying for theoretical consumption!

Ralph
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mike ritenour
Posts: 564
Joined: Jun 19th, '07, 12:47
Location: " Lavida" - CD33 /"Dorothy" - Open Cockpit Typhoon
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11.5 kts for my CD33 LaVida

Post by mike ritenour »

:D

Although, I must admit I was being flushed out of the St. Lawrence by a 13' tide!

Seriously, LaVida matches Paul's performance with an Volvo MD2030 running at 2150 rpm.

Rit
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