Namani at Sea

The travels of Nana, Markus and Nick aboard Namani

30 June 2014 | Peaks Island, ME
10 June 2014 | Tarrytown, NY
19 May 2014 | Pangandaran, West Java, Indonesia
09 May 2014 | Sydney
06 May 2014 | Cairns, QLD
04 May 2014 | Cairns, QLD
01 May 2014 | Yorkey's Knob Boat Club
29 April 2014 | Anchored in Pioneer Bay, Palm Islands, QLD
26 April 2014 | Macona Inlet, Hook Island/Whitsundays
17 April 2014 | Rosslyn Bay
14 April 2014 | Pacific Creek, Curtis Island
04 April 2014 | Great Keppel Island, Queensland
02 March 2014 | Scarborough, Queensland
26 February 2014 | Scarborough, Queensland
13 February 2014 | Scarborough, Moreton Bay/Queensland
03 February 2014 | Scarborough, Moreton Bay/Queensland
12 January 2014 | Redcliffe Marina, Scarborough/Moreton Bay
07 January 2014 | Shoal Bay, Port Stephens
03 January 2014 | Rose Bay, Sydney Harbour

Getting closer...

20 November 2012 | En route between Minerva Reef and New Zealand
After logging a 24hr run of just above 50nm at 10am this morning and no wind in sight for the next 24hrs we decided it was time to fire up the engine (270nm to go to Opua at that point). We had been able to slowly sail at 2-3kn during the first part of last night but then spent the wee hours of the morning trying to stop the sails flom flopping while still making some progress in the right direction (best option: poled out and partly reefed genoa only: 1-2kn, no flopping). Before starting the engine we had to address a suspected problem with the engine's cooling circuit. We had noticed more water steam than usual coming out of the exhaust the last time we had motored a few days ago and we had found a few drops of coolant under the engine, indicating that the pressure relase valve in the heat exchanger cap had triggered. Checking the usual suspects (raw water intake strainer and impeller pump) did not show any issues and the raw water outflow rate seemed normal to us. Hence we suspected an issue with the heat exchanger and the freshwater cooling circuit. Since access to and disassembly of the same is a bit more involved (requires emptying the entire cockpit locker) we thought we'd wait if the wind sets in and allows us to sail on but then gave up this morning. So Namani's cockpit exploded into a maze of lines, sail bags and jerry cans and we dove into the locker and to the engine access panel (by now we have spend many hours down there over the past years but hadn't visited in while ;-). The trouble turned out to be a piece of the engine's scarificial zinc anode that had broken off and wedged itself into the heat exchanger raw water outflow. By itself that wouldn't have caused an issue (the anode sits very close to there anyway), but, surprisingly, stuff had started to grow around there, thus further reducing trhoughput. A little cleanup and a new anode later the engine was up and running again - this time without excessive steam output. Interestingly, the slow down in raw coling water trhoughput must have been to gradual that it outlfow still looked normal to us when we first noticed the steam a few days ago. We've been running under engine since 2pm this afternoon, passing under a windless stationary occluded front with a heavy fully overcast sky. We hope that we will break out of this during the second half of this night and then pick up some SE wind from a high that sits behind the front. All is well aboard, stay tuned... PS: thanks to Seabright for very helpful email consultation on the engine issue!
Comments
Vessel Name: Namani
Vessel Make/Model: Dufour 35
Crew: Nana, Markus and Nick
About: A family of three on a cruise from the US East Coast to Australia
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