Originally Posted by
DoubleBuck
65/35 looks the best to me, but I've never made any, or shot any. The Black looks a little rich to me. Maybe a slight increase on the Oxidizer would clean it up. Given the looks of the three GP's, I would be for trying one of 66/34, or even 67/33. At some point, you should definitely be able to see unburnt KNO3 in white balls. I may not see the picture as well as you can see the actual paper. If you can see the KNO3 on the 65/35, then my point is mute.
Great job and nice thread, Sandro!