Varget attributes small, extruded grains for uniform metering, is insensitive to cold and warm temperatures and generates bigger Electrical power for enhanced velocities around other powders in its burning-velocity course.
Wow, Blaine. I could certainly see a transform of rate among a lot, however the muzzle velocity going down as temperatures go up is one thing I haven’t witnessed. The theory is bending my intellect a bit. Is it possible to notify me a little bit more regarding the specifics of whenever you observed that?
I loaded each scenario at what I realized will be a moderate to medium load, as a way to stay clear of tension spikes. Not one of the hundreds had been “tuned” for the particular rifle we were testing with.
Furthermore you’ll get to meet some other people who find themselves into these items, and perhaps even generate a couple friends that will help you together.
I’m just stepping into aggressive taking pictures six.5 CM in an RPR) and I’ve decided on H4350 various months back following looking through many of the investigation I could uncover on its temperature stability.
A further factor that came to my brain, that stored me thinking Considering that the introduction in the magnetospeed:
Hodgdon Varget is usually a medium-burning extruded powder and is a component of Hodgdon’s Extreme line of powders. It is usually considered one of the most well-liked rifle powders made.
3 – Barrel – barrel density, duration and bore diameter from thermal enlargement/contraction. Besides density, temperature would also influence the barrel bulk and shear moduli and together these 3 things establish the possible barrel harmonics. Which harmonics are energized is dependent upon ammunition.
The excellent news is actually a capturing buddy has a new LabRadar and I very own a MagnetoSpeed and we are going to figure out for ourselves this weekend. Again thank-you the work which you do.
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But that’s finding close to the limit of your unit’s reading potential, so it may be slight sensitivity distinctions earning one particular device noisier at that range than another. May be a random little bit error artifact. I don’t have a means to know.
I didn't get solitary digit SD’s with the two IMR powders, However they ended up continue to respectable. I’m sure I could fine tune the masses for any of these powders and achieve great final results.
So maybe a attention-grabbing choice for People that truly appropriate for temperature, but don’t have a device as advanced because the outlined Kestrel Elite meter. Liniarity is often woth one thing I suppose.
It’s even even worse In the event the temperature receives really read more sizzling, since the fellas who developed a “warm” load using a temperature sensitive powder will start out blowing primers … or even worse. Should they were presently near to max strain every time they created the load, then any increase in temperature can turn into a hazardous predicament.