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lthomas987 wrote:My first trip temps got down to 35F. 2 inch walls and ceiling. Insulated door. Giant window on one side, small one on the other. Two people, one dog no additional heat. We were perfectly warm after the first 30minutes when it occurred to us to confirm the windows were only open about half an inch each.
If we're willing to count sleeping in my driveway I can test some super cold stuff this winter.
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lthomas987 wrote:It will definitely get to at least -25C here this winter. I will give it a go below freezing for sure. Possibly with a small electric heater.
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Don L. wrote:We just camped a night at 38f and used a 110v heated rubber floor mat and it wasn't super toasty, except if you had your feet on it, but okay inside with the windows closed. More than warm enough in a sleeping bag.
I think if it were much colder I would use another mat. I use them in my workshop that has a concrete floor.
The Bluebird is 2" foam on the walls and roof, floor is 3/4" plywood with 1-1/8" foam on top of that and then 3/4" pine 1x12s on top of that.
I am interested to hear what you and others might use if you had no outside electric hookup.
I doubt I will ever get to test it in temps like you have way up north.
dancam wrote:Alright! Thats cold for camping! When you used the 750 watt heater were you on a serviced site or running off a battery? Was that heater quiet enough to sleep with or annoying?lthomas987 wrote:My first trip temps got down to 35F. 2 inch walls and ceiling. Insulated door. Giant window on one side, small one on the other. Two people, one dog no additional heat. We were perfectly warm after the first 30minutes when it occurred to us to confirm the windows were only open about half an inch each.
If we're willing to count sleeping in my driveway I can test some super cold stuff this winter.
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That heats up well! Come to think of it our body heat keeps our bedroom fairly warm in the winter too when we turn the furnace down for the night.
If you want to try it in your driveway sure! But dont do it just for me, i could experiment with ours too and theres a lot of ifs that need to be yes before this trip would happen. I hadn't thought of the whole needing fresh air from an open window, that may be what kills the idea of doing it in -25c. Also wondering what would happen to the canvass, glue, foam and paint while being driven 1000 miles down a very rough road in temperatures that cold. Does it become brittle? Glue debonds? Paint flakes off? Lol, i have no idea.
Perhaps with a liquid fuel heater you could draw outside air through it to be heated and blown into the trailer just like a regular furnace. However i do remember once trying to use a 1500watt hair dryer to warm up my car battery in -42c and it would not blow warm air. I think the air coming out was still below freezing :p
KennethW wrote:This is my heater build thead.
viewtopic.php?f=2&t=58648&hilit=propane+radiant+heater
Socal Tom wrote:I'd look into the heating with the water heater thread. Basically its hooking a heat exchanger into the hot water line and using that to warm the place.
Tom
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KennethW wrote:For the hot water heater system would a person use something like this.
http://www.homedepot.com/p/Eccotemp-1-5 ... lsrc=aw.ds
Antifreeze a very small pump and 4 runs of copper pipe on the ceiling with reflectors(for radiant heat).
rowerwet wrote:dancam wrote:Alright! Thats cold for camping! When you used the 750 watt heater were you on a serviced site or running off a battery? Was that heater quiet enough to sleep with or annoying?lthomas987 wrote:My first trip temps got down to 35F. 2 inch walls and ceiling. Insulated door. Giant window on one side, small one on the other. Two people, one dog no additional heat. We were perfectly warm after the first 30minutes when it occurred to us to confirm the windows were only open about half an inch each.
If we're willing to count sleeping in my driveway I can test some super cold stuff this winter.
Sent from my iPad using Tapatalk
That heats up well! Come to think of it our body heat keeps our bedroom fairly warm in the winter too when we turn the furnace down for the night.
If you want to try it in your driveway sure! But dont do it just for me, i could experiment with ours too and theres a lot of ifs that need to be yes before this trip would happen. I hadn't thought of the whole needing fresh air from an open window, that may be what kills the idea of doing it in -25c. Also wondering what would happen to the canvass, glue, foam and paint while being driven 1000 miles down a very rough road in temperatures that cold. Does it become brittle? Glue debonds? Paint flakes off? Lol, i have no idea.
Perhaps with a liquid fuel heater you could draw outside air through it to be heated and blown into the trailer just like a regular furnace. However i do remember once trying to use a 1500watt hair dryer to warm up my car battery in -42c and it would not blow warm air. I think the air coming out was still below freezing :p
While I haven't slept in my foamie, it lives outside year round in New England, I live right on the southern border of NH.
IF you do the PMF so that the fabric on the sides wraps under the floor and up over the roof, the fabric is really what is holding the whole structure together.
Being a natural fiber that isn't much effected by temperature, I can't imagine the joints failing unless you have a structure that allows lots of flexing.
If you use the paint to fill the weave in the canvas, it will be soaked into the fibers of the fabric, I can't see any cracking or flaking happening unless the fibers get ripped apart.
THINK of it like fiberglass and epoxy, together they become a composite.
KennethW wrote:For the hot water heater system would a person use something like this.
http://www.homedepot.com/p/Eccotemp-1-5 ... lsrc=aw.ds
Antifreeze a very small pump and 4 runs of copper pipe on the ceiling with reflectors(for radiant heat).
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