Eshland S 260 Rebuild

 
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Lightning
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Post by Lightning » Wed. Dec. 13, 2017 9:50 pm

If I average 50 pounds a day at 80% it turns out to be just under 21,000 BTUs per hour to heat mine. Then subtract a little for the water coils, subtract a few percent for some coal going out with the ashes, subtract a little more for variable inefficiencies lol so probably closer to 18,000 BTUs per hour.


 
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lsayre
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Post by lsayre » Wed. Dec. 13, 2017 9:53 pm

Lightning wrote:
Wed. Dec. 13, 2017 9:50 pm
If I average 50 pounds a day at 80% it turns out to be just under 21,000 BTUs per hour to heat mine. Then subtract a little for the water coils, subtract a few percent for some coal going out with the ashes, subtract a little more for variable inefficiencies lol so probably closer to 18,000 BTUs per hour.
And if you apply my "Rule of 2.5" to your daily average you will pretty much know what you will burn on the single coldest day of the year. It will be around 2.5 times your annualized seasonal daily average.

2.5 x 50 = 125 lbs. burned for the coldest nominal day(s) of the year. At ~80% efficiency overall that is about 51,000 BTUH on average for that day (with more than 51,000 during the night, and less than 51,000 during the day, averaging to 51,000 BTUH). Does that sound about right?

 
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Post by Lightning » Thu. Dec. 14, 2017 5:59 am

Yeah that's perfect. I normally have two or three 120-130 pound days. Most times they are consecutive days when we get a blast of arctic air and mean OATS are well below zero.

 
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hotblast1357
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Post by hotblast1357 » Thu. Dec. 14, 2017 5:40 pm

The results are in....

Since last Friday the 8th
6 days
390 pounds
65 pounds per day
40 pounds of ash.
It’s currently 5 OAT.

 
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Post by lsayre » Thu. Dec. 14, 2017 6:04 pm

OAT? Outside average temperature?

 
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Post by hotblast1357 » Thu. Dec. 14, 2017 6:18 pm

Sorry no outside air temp.

The average temp for today is 6. Hi of 11, low of 1. Not counting the useless windchill, says it feels like -2.

 
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Post by hotblast1357 » Thu. Dec. 14, 2017 7:11 pm

Larry, how accurate would you say it would be to gauge coal usage on ash motor time? As that is technically what feeds the coal.

If I put a hour meter on the ash motor to monitor its time cycles, and correspond that to coal fed per day.


 
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lsayre
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Post by lsayre » Thu. Dec. 14, 2017 7:14 pm

hotblast1357 wrote:
Thu. Dec. 14, 2017 7:11 pm
Larry, how accurate would you say it would be to gauge coal usage on ash motor time? As that is technically what feeds the coal.

If I put a hour meter on the ash motor to monitor its time cycles, and correspond that to coal fed per day.
I would think that should work quite well over the long haul. Your results may even inspire me to follow suit.

 
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Post by hotblast1357 » Thu. Dec. 14, 2017 7:20 pm

Time to get an hour meter than!

 
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Post by hotblast1357 » Fri. Dec. 15, 2017 4:54 am

Just cold....

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lsayre
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Post by lsayre » Fri. Dec. 15, 2017 5:33 am

hotblast1357 wrote:
Thu. Dec. 14, 2017 7:20 pm
Time to get an hour meter then!
Let me know what kind of meter you get.

 
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Post by hotblast1357 » Fri. Dec. 15, 2017 6:00 am

Will be here tuesday

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Post by Rob R. » Fri. Dec. 15, 2017 12:18 pm

Nice. Looks like you can mount it in a small box if you want.

 
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Post by hotblast1357 » Fri. Dec. 15, 2017 12:51 pm

My plan is to mount it in my control box if there is enough room.

 
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Post by hotblast1357 » Sat. Dec. 16, 2017 11:10 am

Playing with the new toy, seek thermal, camera that plugs into the iPhone and a app.

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