Beneteau Oceanis 45;I need your help to select right spec for 2yr world cruise please - Page 3 - SailNet Community
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post #21 of 24 Old 01-30-2016
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Talking Re: Beneteau Oceanis 45;I need your help to select right spec for 2yr world cruise pl

LOL--and I care about this because.....?

Originally Posted by Shockwave View Post
CAREFUL! You'll raise the wrath of Smack....

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post #22 of 24 Old 07-05-2016
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Re: Beneteau Oceanis 45;I need your help to select right spec for 2yr world cruise pl

Originally Posted by Missingyou View Post
My how time flies. I'll be getting ready for my 3rd full season. I've learned a great deal from my first sailboat.

-Simrad electronics can be troublesome, as is there support. My radar has never functioned reliably. This alone might give me pause in purchasing another Beneteau.
-Have the main shore power GFIC Breaker replaced with a conventional breaker if not already.
-The arch is prone to all sorts of cosmetic stress cracking, also mine is leaking into the starboard aft cabin.
-Never overfill the sail drive. It will end up blowing past the front seal.
-Upgrade the factory 80a Hitachi Alternator. It is woefully inadequate.
-The Freezer option is a crowded affair and results in poor ventilation for both the refrigerator and freezer. I'm considering mods.
-Consider other options for the problematic AC condensate pumps
-The Dometic QLogic interfaces are prone to separating from the facia. I glued mine in lu of the clips.
-The raw water supply to the generator is at some distance from seacock to pump, causing frequent impeller failures. The strainer should be relocated as it is impossible to service. Keep spare impellers on hand and learn how to service it. Also the coolant reservoir interferes with removal of the generators inner accessory shield. The impeller is a Sherwood 8000. 1/3 the price of Onan/Cummins.
-The battery voltage on the display panel is inaccurate (0.3~0.4v low) causing a premature alarm, but I think this is the case with all Benny's.
-the Main sail furling unit should have roll pins holding the end housings in place and not keeper bolts. Keep an eye on it, making sure they are tight. US Spar was very good about taking care of mine after it spilled its guts on the deck. The updated units are pinned.
-Inspect the Head sail furling unit to the sail luff drum extrusion. My terminology here is weak but I hope you get the gist.
-I truly wish Beneteau would install some basic supply wiring for cabin fans. It's mentioned in the literature but I have struggled to find evidence. This seems so rudimentary to me.
-Both seacocks for my Sailvacs were leaking around their elbow assembly threads. Their manufacturer uses a hard glue that would seem incompatible. Once installed in the boat it appeared they were adjusted with a pipe wrench by the factory, cracking the glue and resulting in waste seeping into the bilge. I removed them, cleaned the threads and applied a different thread sealant.
-Keep a rebuild kit on hand for the Sailvac vacuum generators. The check valves can fail.
-I can go on and on about the Sailvac. I've learned to keep them working and as such can realize the benefits of their very stingy water usage, but it has not been without effort. I can always get them to flush, but it sometimes requires resorting to manually turning on and off.
-I'm a huge fan of Micron CF on the Chesapeake, and a few days spent in fresh water mid season, even if it happens to be the nasty waters of the upper Delaware.

I've installed a couple of unnecessary extravagances that may have questionable merit for the cruiser, a fuel flow meter and a Flexofold prop. The fuel flow meter is nice but all it proved was that the Yanmar performance chart was actually fairly accurate in fuel consumption. I do like the fuel totalizer though, and seeing realtime fuel burn does motivate me to back off. Some may argue for the folding prop but it's hard to find good evidence that it provides a noticeable improvement relative to the expense for a weekend cruiser. It also hinders performance astern.

Indeed the boat is easy to sail. I started single handing almost immediately, and even when I have crew I'm usually single handed anyways. ;-) I do appreciate the help though when flying the spinnaker. I've thought about adding a remote to the electric winch on the cabin top. This would allow me to control the Haylard from forward.
Hi Missingyou

You mention fuel usage

Please could you let me have your fuel consumption for 2200rpm and 2500rpm


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post #23 of 24 Old 07-06-2016
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Re: Beneteau Oceanis 45;I need your help to select right spec for 2yr world cruise pl

RPM Knots Gals/Hr nm/Gal
780 3.1 0.18 17.2
900 3.4 0.23 14.8
1000 3.7 0.27 13.7
1100 4.1 0.32 12.8
1200 4.4 0.37 11.9
1300 4.7 0.42 11.2
1400 4.8 0.48 10.0
1500 5.1 0.53 9.6
1600 5.3 0.58 9.1
1700 5.6 0.65 8.6
1800 5.9 0.7 8.4
1900 6.2 0.8 7.8
2000 6.4 0.9 7.1
2100 6.7 0.98 6.8
2200 6.9 1.1 6.3
2300 7.2 1.2 6.0
2400 7.4 1.35 5.4
2500 7.7 1.5 5.1
2600 7.9 1.7 4.6
2700 8.1 1.9 4.3
2800 8.3 2.1 4.0
2900 8.5 2.3 3.7
3000 8.6 2.6 3.3
3100 8.6 3 2.9
Attached Thumbnails
2013 OC45 Performance.jpg  

Last edited by Missingyou; 07-06-2016 at 03:47 PM.
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post #24 of 24 Old 09-23-2016
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Re: Beneteau Oceanis 45;I need your help to select right spec for 2yr world cruise pl

I moved the compressors (fridge & freezer) out from underneath the freezer box on my OC45. c/o CSR Marine, Seattle WA. Getting the freezer box insulated also. It had zero insulation, gads! The new location for the compressors is behind the port moving seats. There is a huge void of space where the heat from the compressors can move. Will also put vents in the new access panels. I will update on reduction of amp load once this is all complete.

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