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khayyam

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Posts posted by khayyam

    The Cup is gone

    in MarineTalk

    Posted

    I thought it was interesting how long it took for someone to comment here on the news at all. Everybody's over it and nobody cares anymore?

    Dalts may have got top $ for the hosting rights but pretty sure he's lost an awful lot of NZ support, goodwill and interest.  We will all be welcome if we fly to Barca -- yeah, nah. 

    • Upvote 2

    Draft of Raven 31?

    in MarineTalk

    Posted

    14 hours ago, East Coast Sailer said:

    Talking of the rig, do you know the rig height (air draft). I occasionally tuck under a 12m MHWS bridge. The Raven is slightly too tall.

     

    I'd think anything of that size would be tight. The raven is already a "modest" rig. 

    Fire at Pine Harbor

    in MarineTalk

    Posted

    6 hours ago, CarpeDiem said:

    [Serious thread drift now occurring...]

    I think you've over estimated how much power you actually use to cook a meal.

    I strongly doubt you'd ever use that much power cooking at home or on a boat.  40A @ 230v is 9.2kW - that's enough energy to vaporize 1kg of ice in less than 5 minutes.  You'd boil that same ice in less than 45 seconds.

    Our little Breville oven, preheating to it's maximum of 230degC, peaks at 1800W of power consumption.  After 30 minutes of runtime, so 5 mins preheat and 25min cook-time, the oven had used less than 0.4kWh of energy.

    That's long enough to turn any pizza to charcoal...

     

     

     

    Peak draw only, not sustained. But probably not something you'd want your boat system trying to cope with! 

    Fire at Pine Harbor

    in MarineTalk

    Posted

    Our sparky told me not long ago that new (home) induction cooktops can draw 40a (@230V). Pretty hard to manage on a boat!

     

    Newer boats do seem to have electric cooking arrangements, to my surprise. But even with 1-2kw of solar I think really you'd be relying a lot on the genset to get those batteries charged. Really you're starting to look at boat systems which rival off-grid home systems, and you'd really struggle with 2kw solar for the sort of mod cons these boats are expecting.

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