Off grid heating

I'm working on a "digital" version.

I am going to use flameless battery powered LED tea lights and decorative plastic flower pots.
 
Might have guessed. somebody already done it ... Well nearly. Thats just a hand warmer. I will use large enough flower posts to heat a large room.

But its made me realise that I will need rechargeable batteries.
 
many years ago i run out of gas and was dying for a hot drink so i hung my pint tin mug with half pint of water over a rail and lit a 2 wick candle underneath and waited for it to boil (it took an hour 15m) mick
 
And that's because the academic who dreamed it up will have had a technician behind the scenes tho provide the precicion. Notably back scene in the video, how on earth do you make cuts like that in a coke can? Definitely not with a Stanley knife!
 
Hadenough said:
And that's because the academic who dreamed it up will have had a technician behind the scenes tho provide the precicion. Notably back scene in the video, how on earth do you make cuts like that in a coke can? Definitely not with a Stanley knife!
Click to expand...

It's actually very easy as shown in the video. Try making one... you'll get hooked.
 
[QUOTE70531]I have pondered hard wiring a small solar panel to a computer fan. The idea is that whenever it's sunny, and hopefully a nice day, you get some air changes through the boat.[/QUOTE]

I diid that last winter. Boat was reasonably dry. Haven't bothered this time and going to boat next week so will report if any significant difference in mould growth.
 
I've tried making one but couldn't get the two halves to nest together. One split so I gave up. This guy's technique looks better so I'll try again. Got plenty of tinnies left from Christmas.
alahol2 said:
It's actually very easy as shown in the video. Try making one... you'll get hooked.
Click to expand...
 
solar fan?

Quiddle said:
[QUOTE70531]I have pondered hard wiring a small solar panel to a computer fan. The idea is that whenever it's sunny, and hopefully a nice day, you get some air changes through the boat.
Click to expand...

I diid that last winter. Boat was reasonably dry. Haven't bothered this time and going to boat next week so will report if any significant difference in mould growth.[/QUOTE]

I would like to know more about this. Did it work, does it make a difference? My goal is not to make the boat habitable, but to keep it dry, sweet, free from mould. My boat is traditional wooden construction, 33 feet long basically 1 cabin with a forepeak loo and storage

Graham
 
gdallas said:
I diid that last winter. Boat was reasonably dry. Haven't bothered this time and going to boat next week so will report if any significant difference in mould growth.
Click to expand...

I would like to know more about this. Did it work, does it make a difference? My goal is not to make the boat habitable, but to keep it dry, sweet, free from mould. My boat is traditional wooden construction, 33 feet long basically 1 cabin with a forepeak loo and storage

Graham[/QUOTE]

I found a solar vent didn't shift much air and the thing packed up altogether after a couple of seasons.
Best for my 30' wooden boat on a swinging mooring was a home made wooden box which fitted over the forepeak deck hatch, louvres on the forward facing side. This allowed the hatch to be left open without rain and creatures getting in.
It probably wouldn't work as well if the boat can't swing into the wind.
When I was on board I had a pansy-style charcoal heater.
 
So, can we just have a 'myth busters' exercise done here?
Someone with a 20-22ft boat, beg/borrow/steal a thermometer and test:
Cabin on its own for 1 hr
Cabin with 1 occupant for 1 hr
Cabin with 1 occupant + tealight method for 1 hr

Simply record the temp and report back! (I'd do this but my boat may be too big for the test)
 
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