Blackhorn 209.... another post

[ENCORE50A]

Remember this was covered awhile back after the Triple 8 powder name was mentioned. TB did a write up and it appears to fall inline with some observations about Hodgdon branded Blackhorn 209. The "finer" grains could weight more by volume?
http://namlhunt.com/all-things-ml/what-powder-is-in-the-federal-firestickWestern branded BH209 left side..........................................................................................................Fiddlestick Triple8 right side

Good find

IMO its exactly what is happening. The smaller size is allowing more propellent in a volume measure thus it weighs more.

 

[GM54-120]

Yep, just like if you took a weight measurement of Triple7 FFG vs FFFG by volume and compared them. The FFFG should weigh more. Sounds to me like Hodgdon just made a slight change to the manufacturing or had an overstock of "Triple 8" and they sold it as Blackhorn209.

 

[10acres]

I measured 10 samples of 100g by volume and came up with an average of 76g by weight. I don't have the lot number in front of me.

 

[ENCORE50A]

I measured 10 samples of 100g by volume and came up with an average of 76g by weight. I don't have the lot number in front of me.

The lot number makes a difference. There's always been a difference in weight per lot.

 

[deerlessbob]

Interesting. Could the smaller granules have something to do with burn rate in the FireStick configuration?

 

[10acres]

The 4 bottles I have were the same lot number.

 

[45-70]

They both have holes

that is good

 

[bronko220002]

Wow 6 MOA short at 1000 yards! That puts you have to hold over about 63". How much more do you think you'll need to pump up the velocity.