How to heat a little 26 footer!

We fitted a calor/camping gaz mini-catalytic heater to our 23 footer, which cost about £100 (we already had gas supply & piping for the cooker), after getting some good advice and reassurance from others on this forum.

Ours was intended to go on a narrow bulkhead but turned out to be slightly wider than advertised, so is on a flexible hose (with isolating tap) and normally lives in a draw/locker and stands on a step below the cooker and next to the cabin table (and our legs, mmm!) when in use.

It makes a major difference (I think it's about one kw). The First Mate loves it. I think having now had it it would be difficult to get her to sail 'out of season' without it! I've found it a real boon, especially on a solo mid-winter trip from Solent to East Coast with ice on the decks every morning!.

We would not (plan to) leave it on overnight (though I did once fall asleep with it on, and woke in the morning suffering no ill effects). We do always leave vents open, though, to ensure we have a good oxygen supply, and to minimise moisture build up (never been a problem operated thus).

Ideally, we'd have a wood or charcoal burner, having experienced one fitted to a friends boat - lovely cheering dry heat, with frost outside we'd be sitting in our t-shirts inside! But in such a small boat as ours there's no space to mount it or its chimney without losing the enclosed head or some of our already limited storage lockers.

If it wasn't so expensive I'd consider a diesel blown heater, but even that would be dificult to fit in our boat as the trunking is so large compared to our lockers, nooks and crannies, and I hate the noise they make.

Another option to look at is the paraffin (and diesel) heaters by Wallas. Not cheap but they have a good reputation.
 
Another option to look at is the paraffin (and diesel) heaters by Wallas. Not cheap but they have a good reputation.

We have a Wallas and it is a handy little thing- fairly compact, sufficient output, economical to run (both on fuel and electricity). But they are shockingly expensive from new, probably not a good option for just occasional use.

If we didn't have one and were doing an installation from scratch, I would probably choose a small woodburner. Most of the other options just heat the air in the boat- so open a hatch and you start again.

However for the OP's purposes the little Origo seems cheap and neat, not that I've ever seen one in use.
 
Back to page 1 - the Hampshire Heaters charcoal stove says it uses "mentholated spirits". Should smell lovely. What were those fags from the 60s? "Cool as a mountain stream".
 
How to heat 26 footer Bright Spark Outdoor Cosy Mini Heater

Did any one tryed this one : Bright Spark Outdoor Cosy Mini Heater
Can be fitted on top of the cooker....
Quick warm up for less than £20:

Bright Spark Outdoor Cosy Mini Heater

This heater is ideal for your camping or fishing trips as it has a 2kW radiant heat, it fixes straight onto the cooker and lights with just a flick of a switch and radiates heat in seconds.

The heater is lightweight & portable only weighing 400grams, is easy to pack & carry and is very robust.

Features:

* Gives out 2kW heat on high for 90 mins, or 4 hours on low heat.
* Its special design secures the heater to the arms of the spill tray on the cooker.
http://www.caravanning-online.co.uk/acatalog/cosy-mini-heater.html
 
Nobody has mentioned the propex gas heaters yet. I considered replacing my dead Eberspacher with one. I too have had the £500 to fix the Eberspacher experience and I decided it wasn't worth it. To me something that needs that much maintenance and can still cost that much to fix in this day and age is a poor design and should be avoided unless you're very well off and the expense doesn't bother you. Eberspacher are having a laugh.
Incidentally, I have been told it is often the power supply in the ECU that dies. I will be taking mine apart to investigate this before it get stripped into parts and sold on ebay just incase I can fix it myslef in which case the details will be posted on this site so others can do the same.
 
I bought this at an antique place today. Cleaned it, trimmed the wick and 1/2 filled with lamp oil. Absolutely no smoke, next to no smell and a surprising amount of radiated and convected heat. It's 8" tall and the reservoir is 5" diameter. I've seen greenhouse heaters before, but this is tiny by comparison. Should take the chill off.

I reckon you could safely leave it on all night (at anchor). I doubt if it'll produce as much water vapour as two blokes in their sleeping bags.

Anyone care to hazard a guess the wattage equivalent of a 1/2" wick?


DCP03175.JPG
 
FYI, PHB, for every litre of fuel you burn, the device will produce about the same amount of water as vapour.

How much do two guys in sleeping bags produce?

"next to no smell ". A good observation, also, as carbon monoxide has no colour, no taste, and NO SMELL.

Have a read of this before you turn in next time onboard:-

http://www.carbonmonoxidekills.com/32/carbon_monoxide_facts

I'm well aware of the hazards of CO and a combined CO & smoke alarm is on the cards. It's always a good idea to raise awareness though.
Ladybird has 3 dorade type vents on the coachroof and I normally leave the top washboard open a crack when the paraffin lamp is lit.

That looks a neat little lamp, but it is not a heater.

Yes it is. The clue is in "The DANTE Paraffin Heater" embossed on the top of the reservoir. The flame is contained in steel mesh and the top of the burner column is solid. With the lights out it is just a nice rosy glow.
 
apologies, I mistook the gauze for a dirty glass chimney.

I think you are right in buying a detector. We have a small, battery powered CO model. It works as intended.
 
water loss per person per day is about 2.5 l. That includes sweat, exhaled air, tears, urine.

Assuming 1.5l/day of urine, that leaves about 500 g of water exhaled in any 12 hour period.

So very very roughly, in winter , 2 men will exhale 1.0 l of water to atmosphere overnight. Give or take a fair bit.
 
Cabin heating

I have almost no experience of cabin heating however.. I would suggest the op use the spirit stove as the heater. Yes a pot can radiate a fair bit of heat. Or heat a hot water bottle for bed.
However the gas given off would worry me.
I would try to fabricate a chimney for the stove either a funnel over one burner or a hood over both. Use aluminium or copper perhaps 50mm diameter that goes up to the ceiling then aft to exit at the aft bulkhead. A small computer type 12v fan could be used as an extractor to make the fume extraction more positive. The Al or copper would hopefully radiate much of the heat of the exhausting gases. You could even fit vanes in the tube to improve heat transfer. If the tube in the horizontal run is close to the outboard and ceiling it won't reduce headroom. On the other hand if it is lower it could make a beaut heated towel rail.
The collector hood or funnel might need to be adjustable so you can get it out of the way for cooking. Or just mount it above the stove and hope it will collect the gases.
Either way you should still be wary of oxygen depletion or CO or CO2 build up. good luck olewill
 
PS lovely looking boat and looks very well looked after. Folksong?

Hooray, somebody recognises the make of my boat :D I spend ages everytime people ask me what I have, trying to get across what she is similar to - cross between a Folkboat/Contessa 26 and Marieholm IF boat :confused: Cheers Stav ;)

Thanks for all the suggestions and tips, I think the recommended tilley lamp and a few extra blankets to block off the forward and rear areas will be the first port of call. :D

I can't wait for a night out in my first proper boat, cooking my first meal on a boat and looking across the harbour with a real ale on my first new mooring :) Bliss - the wife and kids can come on at a later date ;)
 
Charles Stock, very experienced small boat sailor and author of
`Sailing Just of Fun. High Adventures on a small budget` used to sail in all weathers and had a heater like this:

http://www.towsure.com/product/8569-2kW_Parabolic_Heater

The drawback with things like this that unless you have a means of getting the carbon monoxide out you may end up very ill, or dead. If you have to rely on having hatches open you will lose a lot of the heat. If you have a proper flue you still need an air inlet, of course, but it need only be big enough to supply the air needed by the burner.

Why not buy a second-hand Taylors heater and have a safe and reliable system - they are always coming up on eBay. In fact I may be offering a good one very soon!
 
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What is a Taylors Heater?

Edit-
Just seen an advert for one that needs fixing £200 Ouch! I don't need anything with exhausts etc as it is only to warm it up to take the chill off for 20-30 mins.

The tow sure heater looks pretty effective for a short blasts.
 
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