Off we went to Dove's Bay marina the day before Lyn's pickup and refuelled. We took on 512 litres in one tank and 435 litres in the other, so from the engine and genset hours I could calculate that the genset had been using 1.25 litres per hour, and the boat 22.8 litres and hour (both engines). While I was not surprised at the genset data, as it was about what I expected, it was good to have it confirmed. It means it costs about $2 an hour to run the genset, which also confirms the suspicion I was getting that it would be uneconomical to make too many changes to the boat to make it more "self reliant" (such as replacing the electric cooking with gas, more house batteries, PV solar panels etc). For every $1000 spent on "upgrades", I can get 500 hours on the genset, so it becomes a bit of a no-brainer. The engine consumptions were as delightful as they were unexpected. During our Great Loop experience, we changed our pattern of boat speed as we went along and, although I knew that we used one third of the fuel at the end that we did at the beginning (9 knots vs 15 knots will do that!), I hadn't actually collected the correct data to accurately work out the consumption. Our last boat, Kindred Spirit, consumed 35 litres an hour at 14 knots, which equates to 0.4NM per litre. On this trip Loopy Kiwi consumed 22.8 l/hr at 9 knots which equals 0.4NM per litre. OK, Kindred Spirit travelled half as fast again as we do now, but we're quite happy at 9 knots, particularly knowing what happens to the fuel burn when we push Loopy Kiwi up to 15 or more. Of course this data will be updated when we next fill with fuel, but to date it looks like those figures will remain fairly accurate.
We spent the night in Crowles Bay, just around the corner from the marina, and in the morning went back to pick Lyn up. Then, where else of course, but across to OKC! (you can see from the pix below why it is so appealing.
On Sunday, we decided to cross the Bay to drop Lyn off on Monday, and do a bit of fishing on the way at a well known fishing spot called "middle foul". Unfortunately, the brisk NE wind and 2 metre swell decided against our doing so, so we tucked in up the Mangonui Inlet and had a go there. While not the best fishing spot, we did manage to catch enough for a feed, and then anchored up in Patunui Bay for the night. Here's the map again to remind you where all these places are: