j-takeman said:H ADVANCE said:j-takeman said:Werm said:Jay, how did you obtain the ash to weigh it? complete stove cleaning (flue and all) or just out of the burn pot?
I swept the inside of the stove into the ash pan. I also tapped lightly on the pipe and removed the t-cap and dumped what was in the cap into the ash pan. I shifted out any loose pellets with a 3/16 screen into the mason jar for volume photo. Then I dumped the mason jar into a ziplock bag and weight the ash. Scale was tared fpr ziplock bag weight.
Way too hot to burn anything now, But in the fall We can start a new thread with our new test results.
Is this how we check pellet density??
I have ordered a 12"x12"x12" box(1 cubic foot). I will fill the box with pellets and weight the filled box. This will give us the volume measurement some are looking for. 1 bag of the dense pellets will fit in the box with room to spare. I will add some from the 2nd bag to fill the box. If a bag wills the box and the isn't room for all the pellets, Then this is a less dense pellet.
I am just checking to see if all agree on checking the density of the pellet brands? I would say we want the whole bag plus. The bags that don't fit are the pellets that aren't going to produce great heat. But they may burn a little longer than the dense pellets.
Next would be overall burn time(how long each or both bags burn for). Just trying to cover all the base's.
Anything else we need to check?????
Glad to see the box for density.
An issue may be the pellet length.
Since may create more air gaps between pieces of the pellets.
Wondering if you lined up say a 1' in length of pellets that are 1" long.
Also if you make a tool say that holds those inch pieces in a 1' length.
Then say push them together with the same force.
Cut off the last piece so they are all fitting into that 1' under the same amount of pressure.
Then measure the weight.
Sure the ends of pellets will not be cut exactly square & will not be "exact".
However it is "controlled enough" to be of value as to the findings/comparisons.
But heck,...You could even wood file the ends a little bit to square them up!
So if you have the same amount of pieces per each test.
So the 1" long is not so critical.
Just the amount/number of pieces in the 1' length
Then it will be the most controlled.
I would assume you would have to do this at least three times from different parts of the bag.
This could be done as a "secondary density" test along with the 1'x1'x1' box.
This way we could see the correlation of density & pellet length.
Appreciate Greatly all your going thru to get us all some fair decent readings & reviews on the pellets
I will try to do the box density the same way that PFI does it. But that is as far as I will take it. Lets not over do this please. Logging outside temps, Humidity and wind direction. Wind speeds and dog farts in close proximity to the vent. There will be to time to burn the pellet and I will be so confused. :ahhh:
How about I just burn them and show ash volume and weight. Skip all the controversial stuff?
I think the way you've done it thus far is perfect! Don't let the wannabe engineers here with grandiose visions frustrate you. Testing to this point has greatly helped the masses, and needs nothing added.