Collecting More Info

[ET]

Boy there are a lot of factors for powder burn rates. Their configuration of flake, wafer, ball and extruded also plays an important role that govern their burn response in conjunction with their composition.

www.wideners.com/smokeless-powder-guide


Even load resistance plays a role here as seen on PT graphs. Then there are the different BP’s out there that can also affect the burn response.
Now one comment that got my attention was slower powders tend to develop peak pressure further down the bore. Makes sense with our loads with longer Rise Time that peak pressure would develop further down the bore.
Not trying to contradict any current loads employed today but note an interesting point.

As activity on this board is slow, I thought this would make an interesting read for types of powder.


Ed

[sw]

Ed,
This certainly will be of benefit to me. Thank you.

[jims]

I think as some deer hunting seasons are winding down the responses also follow a similar pattern. I always find interest in your posts.

[ET]

Gentlemen thanks for the kind response.

For some reason this desire to learn more of powder burn rates and what affects them has just taken a strong hold on me. It's like I've just started putting a puzzle together to see the end picture it will develop. Come Spring I will again start to obtain more pieces of the puzzle.

[billc]

Interesting information. Thanks for the link.

[ET]

Dec 14, 2019 13:25:07 GMT -5 billc said:

Interesting information. Thanks for the link.

Also thanks for your support in contributing a standard Savage BP. That will definitely help produce some real interesting info as I get further into testing.
It will also provide a slight safety margin when getting into unknown territory by providing a softer ignition to start with.



The main diet for SML for single powder is extruded powder and would like to try a wafer powder with a 200gr bullet to see how the burn reacts. If the results are not consistent (stable) then it will be used for some duplex load experiments. All previous duplex loads for the 50 appear to be done with a standard BP.
For me there is a lot to look forward too in the kitchen (range) to see what recipes cook, chuckle.