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Old 07-01-2014, 07:43   #151
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Re: Sail Drives..Like em?

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Originally Posted by colemj View Post
What is all this hot water crap? If you sail in reasonable parts of the world, a cool shower is what you are hankering for at the end of a day. We haven't wanted hot water in 5yrs.

Mark
Come on back to Mystic, Connecticut USA and you will be heating your shower water, the boat and a electric blanket when we start sailing in early April.

If you have room for a few guests I will be down to wax your boat for a week.
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Old 07-01-2014, 08:27   #152
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Re: Sail Drives..Like em?

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If you have room for a few guests I will be down to wax your boat for a week.
Be careful what you wish for - the boat is going to be a few feet longer by the time you get down here. Better start practicing your Mr. Miagi moves…

And it is not all sun and games - right now it is 65*F, windy and raining. About the worse weather we have seen in many years. Will probably need a warm shower tonight. Whoa is us…

Mark
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Old 07-01-2014, 08:41   #153
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Re: Sail Drives..Like em?

Not sure why with some creative plumbing one couldn't capture the cooling water exiting the outboard and plumb to a hot water tank heat exchanger just like with an inboard?

Also, why not a solar water heater to augment other heating sources? I was thinking of designing a shallow tank just under an unused section of deck - painted black - low wattage circulation pump. Might work?
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Old 07-01-2014, 08:42   #154
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Re: Sail Drives..Like em?

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Originally Posted by colemj View Post
Be careful what you wish for - the boat is going to be a few feet longer by the time you get down here. Better start practicing your Mr. Miagi moves…

And it is not all sun and games - right now it is 65*F, windy and raining. About the worse weather we have seen in many years. Will probably need a warm shower tonight. Whoa is us…

Mark
That would be much better than the brutal "polar vortex" gripped much of the north east coast right now.
It was 1 degree F. Wind chill -20F

I shot off my super soaker in the back yard this morning and snow comes out the business end.
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Old 07-01-2014, 08:44   #155
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Re: Sail Drives..Like em?

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Not sure why with some creative plumbing one couldn't capture the cooling water exiting the outboard and plumb to a hot water tank heat exchanger just like with an inboard?
The cooling water from an outboard isn't very warm.

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Old 07-01-2014, 08:45   #156
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Re: Sail Drives..Like em?

I was swimming this morning in Miami.
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Old 07-01-2014, 08:47   #157
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Re: Sail Drives..Like em?

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Originally Posted by rjtrane View Post
Not sure why with some creative plumbing one couldn't capture the cooling water exiting the outboard and plumb to a hot water tank heat exchanger just like with an inboard?

Also, why not a solar water heater to augment other heating sources? I was thinking of designing a shallow tank just under an unused section of deck - painted black - low wattage circulation pump. Might work?
No need to work so hard at adding solar hot water to your boat.

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Old 07-01-2014, 08:56   #158
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Re: Sail Drives..Like em?

As a builder, I'm not adding to an existing boat. I'm considering designing it into a new boat. Nothing on deck as a result. But your illustration looks like a great solution, even using solar to power the pump! Thanks for sharing
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Old 07-01-2014, 09:27   #159
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We had 540 watts of solar on our old Edel 43. The solar would have the batteries charged by noon, then we would use the inverter to heat water and still end up with fully charged batteries at the end of the day.
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Old 07-01-2014, 10:07   #160
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Re: Sail Drives..Like em?

My kind of thinking. I have a 6kW array and also heat (and make) water with energy saved from the sun.
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Old 07-01-2014, 12:12   #161
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Re: Sail Drives..Like em?

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I wish I didn't need hot water but we have to work to get some money so we can get to where we don't. Like the technology under discuss'n here, it's a circular thing, as in, ain't nothin' fo' free

It seems to me that making the statement that OB weigh less isn't as true as it might seem when you consider that you have to add a generator and/or solar panels, water heater, and carry more fuel. Still may be less, but might be more of a wash than one might think.
You're kidding right? I mean you've really got to be...

A 1kva Honda weighs about 15kg. Anyone with a brain will have solar panels anyway. If not you'll be running your engines daily to keep batteries up. And carrying extra fuel to do so...

Water heaters weigh just as much when they're attached to diesels don't they? Actually no, they weigh MORE - because an engine coolant powered storage water heater is by necessity bigger than a gas HWS.

We don't carry more fuel. In fact compared to all the diesel powered boats we've cruised with we carry LESS. Because we don't need to motor as much as they do.
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Old 07-01-2014, 12:14   #162
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Re: Sail Drives..Like em?

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No need to work so hard at adding solar hot water to your boat.

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I've been thinking about taping 5mm dripper tube to the back of my solar panels. I'd get hot water and cool the panels at the same time.
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Old 07-01-2014, 13:22   #163
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Re: Sail Drives..Like em?

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You're kidding right? I mean you've really got to be...

A 1kva Honda weighs about 15kg. Anyone with a brain will have solar panels anyway. If not you'll be running your engines daily to keep batteries up. And carrying extra fuel to do so...

Water heaters weigh just as much when they're attached to diesels don't they? Actually no, they weigh MORE - because an engine coolant powered storage water heater is by necessity bigger than a gas HWS.

We don't carry more fuel. In fact compared to all the diesel powered boats we've cruised with we carry LESS. Because we don't need to motor as much as they do.
How does your AC run on that 1kva Honda?

Not everybody wants to deal with a flue/open flame on a hot water heater.

Not everybody wants to deal with hoisting a portable generator from a locker onto the deck and listen to is run.

Not everybody wants to build the structure/take up the space to support 1kw worth of solar panels.

People want to enjoy their boats their way, not your way.
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Old 07-01-2014, 13:47   #164
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Re: Sail Drives..Like em?

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How does your AC run on that 1kva Honda?

Not everybody wants to deal with a flue/open flame on a hot water heater.

Not everybody wants to deal with hoisting a portable generator from a locker onto the deck and listen to is run.

Not everybody wants to build the structure/take up the space to support 1kw worth of solar panels.

People want to enjoy their boats their way, not your way.
Wow, talk about defensive!!! How about you read the post I was replying to instead of just running your mouth off?

Again, I was just trying to clear up misconceptions.

Not everybody wants to sail, I get that. Not everybody wants to motor everywhere either. It may shock you, but not everyone wants AC.
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Old 07-01-2014, 14:35   #165
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Re: Sail Drives..Like em?

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Wow, talk about defensive!!! How about you read the post I was replying to instead of just running your mouth off?

Again, I was just trying to clear up misconceptions.

Not everybody wants to sail, I get that. Not everybody wants to motor everywhere either. It may shock you, but not everyone wants AC.
Not defensive, don't like to see people being called stupid if they don't agree with you.
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