Antique Potbelly Stove Installation

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ttf5003
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Post by ttf5003 » Sun. Dec. 17, 2017 11:22 am

Hi,

First time poster and first time burning coal. I picked up this tiny Orr Aetna No 10 and plan on using it to heat my 400 SF Woodshop. The patent date is 1868.

Will pea or nut coal work better in a stove like this?

I plan on using a 6" Duravent triple wall through the ceiling/roof kit and Supervent Black Insulated pipe from Lowes between the stove and the ceiling box. Any suggestions on how I can attached the oval stove outlet to the black pipe?

Any other tips are appreciated.

Thanks,

Travis
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freetown fred
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Post by freetown fred » Sun. Dec. 17, 2017 11:37 am

I'm thinkin ya can probably squeeze, finagle, etc--crimped end down.

 
franco b
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Post by franco b » Sun. Dec. 17, 2017 11:47 am

Use double wall insulated for the through the ceiling and up. the triple wall runs too cool.

Use single wall from stove to ceiling.

Wrap a piece of string around the oval outlet and measure it. If it is about 19 inches you can squeeze a 6 inch pipe on it.

Do instal a manual pipe damper or a barometric one.

 
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Sunny Boy
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Post by Sunny Boy » Sun. Dec. 17, 2017 12:00 pm

Welcome ttf.

For coal size, it depends. Each stove setup is unique.

If the stove has air leaks under the firebed, as some potbelly stoves do, or if your chimney draft is overly strong, then the denser packing pea size can help slow and control the burn rate.

Some stoves do well on a mix of pea and nut to help control the burn rate.

If your stove is tight, or the draft not so strong, the nut coal with it's larger spaces between chunks will breath and burn better.

Because it's easier to get a good firebed going, I'd start with just nut coal over a really hot bed of BBQ charcoal or wood embers. Then, after a few hours, if it gets too hot for you to control the heat output with just using the primary damper ( in ash pan door), and the pipe damper, then experiment with mixing in pea coal later after you learn more about how the stove will respond with your setup.

Paul


 
ttf5003
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Post by ttf5003 » Sun. Dec. 17, 2017 12:50 pm

Thanks for the replies so far. Here is a picture of the grate, with a 6" ruler on it.
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Sunny Boy
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Post by Sunny Boy » Sun. Dec. 17, 2017 2:16 pm

Typically the gaps in nut coal grates are about 1/2 to 5/8 inch wide. Those look like rather large spaces to run just straight pea coal. You might have a lot of unburned coal dropping through the grate.

I'd try nut first and then a mix of nut and pea. The nut coal will help hold more of the pea coal in the firebed.

If you only want to buy one size, then I'd say just use nut coal.

Paul

 
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michaelanthony
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Post by michaelanthony » Sun. Dec. 17, 2017 9:09 pm

Hi Travis, based on your first pic the oval is approx. 5 inches long so that counts out 6 inch pipe. I wouldn't be surprised if a 4 inch pipe can be squeezed around that oval. a 4 inch pipe has a circumference of a hair over 12 and a half inches.

 
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Post by Lightning » Sun. Dec. 17, 2017 9:33 pm

Good call Mike, that is a small outlet isn't it.


 
franco b
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Post by franco b » Sun. Dec. 17, 2017 10:03 pm

Measure the circumference with a piece of string and then divide that number by 3.1416 to get the round pipe size.

 
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michaelanthony
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Post by michaelanthony » Sun. Dec. 17, 2017 10:09 pm

Lightning wrote:
Sun. Dec. 17, 2017 9:33 pm
Good call Mike, that is a small outlet isn't it.
Thanks, we'll get him there. f.b. will make sure of it. ;)

 
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Post by WIburnerPaul » Wed. Mar. 01, 2023 2:59 pm

franco b wrote:
Sun. Dec. 17, 2017 10:03 pm
Measure the circumference with a piece of string and then divide that number by 3.1416 to get the round pipe size.
Measured with a wire. 6.286” outside and 5.172” inside. Since there is a hole in the stove flange, the male end must be inserted. The oval width is 3.75” and length is 6.75”. Woodmanspartsplus.com doesn’t sell that size. Who sells 5” oval to 5” round?

 
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Sunny Boy
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Post by Sunny Boy » Wed. Mar. 01, 2023 3:40 pm

Contact member Dana (Dlapan). He said he can make up stove pipes to fit oval to round.

https://www.lapansantiquestoves.com/

Paul

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