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What do you do when you’ve got mixed voltage loads in your system? Such as a main drive battery of 48v and smaller loads such as radio, chart plotter and so on at 12 volts? The usual solution is to use a dc-dc converter to step down the voltage from 48v to 12v. You . . . → Read More: Mixed voltage loads and charging  Coming into Sydney heads—the city skyline visible to the right of the mother ship This is a followup to the story about the solar powered zodiac trip Claude and I did from Pittwater to Sydney a while back… I’ve now prepared a video of that trip for your enjoyment. Its posted on youtube and and available here on this page. The trip was an experiment to see how far we could go with a Torqeedo Travel 1003 assisted by solar power… → Read more…  Looking from entry gate in coaming towards bow I’m now back at Mt Tamborine to finish the electrical installation. I know, I know! Its taking longer than expected to complete this boat. On the back of an envelope I estimated another 16 days to finish the electrical work and get her launched. Allowing for weekends and other projects being shoe-horned in it really means about a month till she’s done. → Read more…
 Low cloud and passing rain scuds - and a lovely sunrise Overcast with passing light rain was not what we had in mind for a solar powered journey. Maybe I’d be rowing after all… We left on the mother ship about 5.30am and towed the solar powered zodiac to the start point at Station Beach, at the back of Palm Beach. I boarded the Zodiac at 7.45am and we started the log to track our progress. → Read more…  Plug used for Sienna mould The Sienna will be an easily driven boat and so we don’t expect to need a lot of power to have her at 5 knots. My guess is that her performance would be similar to the Dash 750 and if we look at the power curve for that boat it shows the power needed for at 5 knots is 2000 watts (into the wind). That means we can use a Cruise 2 and at full power of 2000 watts we can expect 5 to 5.5 knots. And in fact probably a bit more because the Torqeedo motors tend to run at slightly above their rating when given full power. For example my Cruise 4 at full power shows 5300 watts on some occasions, and so we could expect up to 2600 watts could be available from a Cruise 2. → Read more… Here’s some pics of Turanor in Brisbane. → Read more…  Shrunk Cruise 2 I’m gonna have to kiss goodbye to warranty on the motor cos I took to it with a hacksaw. It doesn’t sound pretty but it has turned out alright, as you can see from the photo. Its more or less the same as a regular Cruise 2, only shorter. I shorted the stainless steel main tube by 190mm. The fairing tube an dthe cables also had to be shrunk by the same amount. → Read more…  Sienna and the designer and builder Derek Ellard Noah thought it a good idea to built his boat up on a hill, so why shouldn’t Scruffie Marine build their boats up on Mount Tamborine? I’ve been at the Scruffie workshop for a few days to help out with building of the first solar Sienna, and to bond with her. We’d like to have her ready for the Sanctuary Cove boatshow and I’ll be helping out when I can. By helping with some of the less skilled tasks it can allow Derek to focus on the critical joinery and other woodworking tasks.  Tim and Jocelyn with their new Torqeedo 1003 It took just a quick test drive of a Torqeedo on the Zodiac around Crystal Bay to convince Tim and Jocelyn that a Travel 1003 would be ideal match for their inflatable dinghy which they carry in their motorhome. Well, its not really a motorhome—with 1500 watts of solar panels on the roof its a mobile power station! (Take it from me, thats a lot of power—my yacht, Current Sunshine has only 460 watts and on sunny days its quite enough but rainy weather it struggles. With 1500 watts, they don’t have to skimp even on the cloudiest of days). → Read more… |
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