Trial by... ice?

chipsoflyin · Jan 3, 2014

Slow1 said:
I don't have a probe in the pipe and I have double wall pipe. However, the temps aren't showing much higher than normal. The surface temp near the pipe outlet is running as high as 600 which I'm sure means the pipe temp is up too.

I am getting more heat from the stove by increasing air enough that there are lots of flames in the firebox - the sides of the stove are running close to 500* as well and that is a lot of heat into the room. I have no doubt this is less efficient than a lower burn, but I'm impressed by how well I can do these higher burns. I think I could go a little higher as I'm nowhere near 1/2 mark on the air (which the manual calls a high burn), but given the draft that may not mean a whole lot in terms of highest burn.

Current load I let burn hot (keeping 500+ on surface temp with full fire in the box). I loaded a bit after 7 and it is now 4.5hrs. I have now opened up the air more fully and have about 20% of the box with hot coals. Surface reading 400, side away from fan 470, 420 on the side with with fan blowing on it. Getting good heat still but I expect to reload in an hour.

So it is possible for me. Keep in mind though that I'm probably only really loading about 60-70% of the firebox as my wood is 16" vs the 22" that is possible to fit in. I don't have any wood of that size ready to burn.

You got that bad boy cranking

fire_man · Jan 3, 2014

rideau said:
Go ahead and remove it, Tony. My came loose almost immediately I got the stove. Ordered stove cement from Woodstock, but asked if it was OK that it was loose meanwhile. Was told they just put that in there for extra mass, since there was room for it. It serves no function. So, mine was removed and has never gone back in. As we speak it sits on the stove top, to the right of the pipe, storing BTU's there instead of in the firebox. Sticks out a few inches toward the loading door side, but is in the back and I never bump it.

Thanks rideau. I was mainly concerned because it seems to "pin" the bottoms of the two vertical stones which are on either side of it, which are also slightly loose.

Laurent Cyr · Jan 3, 2014

Well, a full week of -20F to -40F with the Wind chill is just enough for me. I haven`t seen cold weather this early in the season in a long time. This is the third cold front we`ve had since snow started in October. I`m about 80Kms east from Ottawa. I can`t begin to think about how much it would have cost us to heat this 1600 square foot bungalow without the Jotul. Thank god it will be a balmy 16F tomorrow and a heat wave of 30F on sunday. Of course, all of this accompanied with a foot of snow to make things interesting....

Laurent

Slow1 · Jan 3, 2014

HotCoals said:
How many pounds of wood did you burn in a 24 hour period?

I'm thinking I may be near 150 but I don't record weight only # splits. Each bucket is about 50lbs (maybe a bit less?) and I figure I burned 3 in the last 24hrs.

maple1 · Jan 3, 2014

Hardrockmaple said:
ahhh, .........it's always colder in Ottawa. Coldest bloody place I've ever visited and I've worked outside in northern Alberta for a few winters. brrrr....

My brother & sister just returned to Ottawa on January 1 after spending the holidays here. I haven't talked to them the past 2 days but I expect I'd hear all about it if I did.

The coldest I've ever been in my life was on halloween, in Regina, either 1991 or 1992. We had to measure temps for the job we were doing. After being in the van, it took the gear a little while to acclimatize to ambient temps before giving accurate readings - the last ones it spit out were -26c before they just quit working all together & showed blanks. And believe me, the wind was howling. I worked in Northern Alberta after that a couple winters & I was never that cold there.

BurnIt13 · Jan 3, 2014

Its kind of funny that when you get used to temps below zero, on a 35F day you wear a t-shirt outside and think that you are adequately dressed.

HotCoals · Jan 3, 2014

Slow1 said:
I'm thinking I may be near 150 but I don't record weight only # splits. Each bucket is about 50lbs (maybe a bit less?) and I figure I burned 3 in the last 24hrs.

Ok ..lets say 150 lbs then.

8000 btus/pound x150=12 million btu's. divided by 24 hours= 50,000 btu's/hour.
Now divide whatever the efficiency of your stove is into that 50k to get somewhere near the heat your house got/hour.

Laurent Cyr · Jan 3, 2014

BurnIt13 said:
Its kind of funny that when you get used to temps below zero, on a 35F day you wear a t-shirt outside and think that you are adequately dressed.

Definitely, 40F with sun is T-shirt weather in Canada!

cableman · Jan 3, 2014

Im not burning like i should and keep feeding it wood! I wanna get it as warm as i can b-4 tonights cold temps! Heres a reload on some hot coals after a burn in and the air all the way down! 7 splits of oak! Pics good right lol

Backwoods Savage · Jan 3, 2014

Slow1 said:
Kids are our of school tomorrow already - due to the snow they say but I wonder if there is also concern about kids staying warm at bus stops in sub-zero temps that they aren't used to. I am not mandatory to go to the office tomorrow either so I'll be home, trying to get some work done here as the kids bounce off the walls, heh.

I can easily picture this. For those who don't know Slow1, he has a wonderful family and some beautiful kids. Just being around those kids a couple times makes it easy to picture him trying to get some work done with those kids all full of energy!

Good news is tomorrow we are supposed to warm up....sort of. But with the wind it will no doubt feel pretty cold. Then a storm followed by even colder temperatures. For sure we have not had a winter like this for quite some time. But be calm, we still have global warming.

begreen · Jan 3, 2014

There's more to climate than ones own backyard.

mark cline · Jan 3, 2014

I can't express how much I love this Mansfield. We have only used it for 1 1/2 weeks and it has out performed the old Fisher ten fold. The last 3 nights , it has been in the single digits and daytime up t o 9F. I load so I get an 8 hr burn with a huge coal bed , no need to burn down the coals because I'm only putting in 4 splits / 8 hrs. The house is a 1200 sq ft ranch so it stays about 68- 72 with the bedrooms about 68 or so. After closing down the air , it will hold about 500F and drop to 300F before I reload . It's a different kind of heat compared to the Fisher Grandma bear , it produces a more gentle, even heat where as the Fisher is like a scorching, searing heat , hard to explain. Watching the flames and the secondaries burning is pure entertainment.

Swedishchef · Jan 3, 2014

Laurent Cyr said:
Definitely, 40F with sun is T-shirt weather in Canada!

DUring final exams in University (spring session) when the temps hit 40F-50F, guys would be in shorts sitting on couches sipping beer on the front lawn of their rented house while the girls studied outdoors in the bathing suits to get their tans started for summer...

Slow1 · Jan 3, 2014

HotCoals said:
Ok ..lets say 150 lbs then.

8000 btus/pound x150=12 million btu's. divided by 24 hours= 50,000 btu's/hour.
Now divide whatever the efficiency of your stove is into that 50k to get somewhere near the heat your house got/hour.

Sounds like I theoretically could push a bit more wood through eh? Well, maybe not - that 80K rating must be a peak rating so likely I'm near max ?

THanks for doing the math. If I assume 80% effective efficiency (reasonable guess?) then I may be getting about 40K btu's hr average...

HotCoals · Jan 3, 2014

Slow1 said:
Sounds like I theoretically could push a bit more wood through eh? Well, maybe not - that 80K rating must be a peak rating so likely I'm near max ?

THanks for doing the math. If I assume 80% effective efficiency (reasonable guess?) then I may be getting about 40K btu's hr average...

Sounds reasonable to me! and no prob. Cheers!

And like you said may have not been 150lbs either.

I burn around 110-130 lbs in 24 hours though when it's cold out like it is now...that's two loads for me. Around 2/3 load each time or a little more but not stuffed.

HotCoals · Jan 3, 2014

How much you heating with that bad boy slow1?

Slow1 · Jan 3, 2014

HotCoals said:
How much you heating with that bad boy slow1?

Some day I'm going to actually measure the space.. Tax assessor lists it at a hair more than 2700 sqft but I don't know if they include the finished half of our basement.

HotCoals · Jan 3, 2014

Slow1 said:
Some day I'm going to actually measure the space.. Tax assessor lists it at a hair more than 2700 sqft but I don't know if they include the finished half of our basement.

Good size space!
Doing 2500 here,2 story's not counting unheated basement..

osagebow · Jan 3, 2014

Just loaded some 25" locust splits- heat pump has been waking me up at 7:00 :mad:

My windows are terrible, though.

alforit · Jan 4, 2014

rideau said:
You folks are warm! We aren't going above -13 F until sometime Saturday, and our wind chills are -35 F.

Damn Rideau ! That's cold... !!!

..........Well I am not going to say what my temps are here.........Its embarrassing .....lol .....Stay warm you guys !

jdonna · Jan 4, 2014

This winter has been tough across the country. Interesting to hear everyones reports!

In MN we have had 30 mph winds the past few days and forecasts of highs of -18 to -27 lows plus 15-30 mph winds for the next several days again. Potential for -60 with the windchill.

Fire view and the pellet stove have kept this old 1850's 2000 sq ft. farm and log home warm. Very thankful to keep an average of 72 degrees 1st and second floors without much or any furnace help.

Should be fun to watch the Green Bay game on Sunday, thankfully next to the fireview.

Stay warm everyone!

DianeB · Jan 4, 2014

Current Conditions
-15 at my location in Western Mass
http://forecast-mo.weather.gov/MapClick.php?lat=42.55&lon=-72.6&FcstType=textr&unit=0&lg=sp
stove doing nicely, but heat tape wrapped pipes in the garage not keeping the pipes from freezing.
We have to run the water in the kitchen sink every hour.. This is the coldest I have ever seen it here.
http://www.addthis.com/bookmark.php?v=250&pubid=ra-5127a6364d551d04

Fair

-15°F

-26°C

Humidity77%
Wind SpeedCalm
Barometer30.44 in (1032.4 mb)
Dewpoint-20°F (-29°C)
Visibility8.00 mi

Flatbedford · Jan 4, 2014

I have been burning a bunch of Black Locust and propane the last few days. I have been pushing the Fireview to about 6 hour cycles, but it just can't keep all of my drafty old house comfortable in single digit temps and high winds here in the Lower Hudson Valley. I am going for max output, not max burn time. Mrs Flatbedford is home recovering from surgery and now I am home from work with a cold and bronchitis so comfort trumps frugality. We switched propane suppliers and that dropped our price by about about $1.50/gallon so it won't hurt that bad. I guess this is the payback for all the time I can keep the house comfortable with running the central heat. Stay warm folks.

begreen · Jan 4, 2014

This is not a time to be frugal, you need to do what you need to do. Hope you get over the cold soon and that Mrs. FBF's recovery is swift.

Flatbedford · Jan 4, 2014

begreen said:
Hope you get over the cold soon and that Mrs. FBF's recovery is swift.

THanks. thankfully she is getting better and stronger every day. She can even take a little care of me now. We will both be fine and are looking forward to a healthy new year.

Trial by... ice?

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