OK. I know mixing powders isnt recomended and highly warned against. I am not intending to do it. This is more of a thought experiment / discussion than anything. Please leave uninformed doomsday scenarios out of the discussion. So, I was thinking (scary at times) that why would a blended (mixed) powder not work? In fact, is it possible that some of the hot factory loads (light magnum loads, double tap ammo, etc) maybe using some sort of blend? The reason why I think that blended powder may be a benfit is "area under the curve". A fast, powder has a very steep pressure curve initially and then drops off. A slow powder rises more gently but has a longer pressure curv To make maximum velocity at any given pressure, the optimum burn rate would be a square wave where the pressure went up veritically to the maximum pressure and was flat at the maximum pressure the entire time the bullet was in the barrel (this can be calculated). Now, near "vertical" rises are accomplished with fast powders. To keep the pressure at maximum (a flat horizontal curve) as long as the powder is in the barrel, a slow (or very slow) powder is needed. Wouldn't a blended mix theoretcially solve much of this or at least have more of a chance than a homogenous powder? Of course, one problem is that smokeless powder needs enough pressure to burn well. However, maybe the fast powders would help ignite slow powder in the blend? Again, this is a discussion more on theoretical applications. If people never ask questions, knowledge is never expanded. -Dana Wanna kill these ads? We can help!