Not known Details About 800X powder
Not known Details About 800X powder
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Small pressure means a gradual burn up. I believe the 135gr/800-X "reverse force do the job-up" is a case wherever There exists an initial violent enlargement of gasses through the primer and an incomplete First powder melt away. Since the bullet moves promptly down the barrel, the pressure drops, slowing the burn level before all the powder can be burned Within the barrel. Heavier bullets with 800-X don't have this issue, because the pressure continues to be large adequate to finish combustion because the heavier bullet accelerates at a slower rate down the barrel, maintaining a better force. It's doable that utilizing a magnum primer might repair a theoretical a hundred thirty five sluggish burn up problem, but I am presently getting 1660 fps (six" LWD) with an ordinary primer, and i have experienced lessen tension signals with conventional primers and 800-X in general, Specifically with heavier bullets.
Which tells me which the metering challenge has to be bogus When they are prepared to exhibit 38,000 psi facts for that 357 Sig. My guess is the fact that 10mm Automobile is just too modest of the marketplace for them to invest the time and money testing for maximum stress 10mm load facts.
Having said that, due to the fact Hodgdon's data reveals the max load for 180gr bullets at 30,000 psi, you will find Obviously extra margin there than what on earth is revealed. I have cautiously loaded past the released degree, but that always bothers me. And around a few days back, I bought to the "bad metering" line of thinking that saved Hodgdon from publishing genuine max tension knowledge. Then, I was browsing Hodgdon's on-line reloading info for 357 Sig, and I discovered this:
You recognize, just pondering it, there are numerous things that are only miles higher than our heads and indicates of observation. For instance, this phenomenon could just be an artifact of my barrel size. Unique size barrels will consequence in various harmonics which could make secondary and in many cases tertiary stress waves.
This large-grained flake powder, which was as soon as bought underneath the IMR label and is now bought underneath the Hodgdon label, performs at its optimum stage when Utilized in heavy area loads 800X powder ranging from 10 gauge to 28 gauge.
With no sifting back through the aforementioned Exact Arms knowledge, the gist of the thread, IIRC, was that Hornady manufactured a mistake. Place currently being the manuals aren't generally gospel.
Superior begin hanging on to the info guides of years past where they really present the appropriate information with pressures...Copy and paste into phrase documents and help you save the Digital listed things also. I help you save my more mature data guides for that rationale in addition. Click on to expand...
I'm intending to try out to figure out a method to carry out some weak-person's tension screening. Every other vehicle guys in existence? If that's so, I am positive you have heard of Plasti-gauge. I am pondering if a piece of Plasti-gauge wrapped about a bullet could be translated into relative pressures. 800x I understand this would be Remarkably unscientific, and can be practically not possible to translate to precise psi figures, but it surely just Could possibly give a better idea of RELATIVE pressure, that is all we really need.
Secondly recommending working with facts that may be above twenty five many years outdated is very very poor coverage. Powders change through the years. Lots of powders have already been reformulated Considering that the early 80's and only current knowledge need to be employed or thought of.
I'd personally appreciate to grasp in which they get their primed hulls the place they do not have problems acquiring them. I received a load from BPI a month back but have not noticed them come back in inventory considering the fact that. Does some other person offer them and has them?
That is just a hair in excess of one% deviation, not also lousy as far as substantial flake powders go, and truly very good depending one particular the equipment you might be applying as well as your procedure.
He designed it the thickness in the hole in between the bar as well as mouth in the bottle. The opening in the spacer is bigger than the outlet in his bushing and tapers as if countersunk, While using the sharp edge near the bar.
Increase to quotation Only demonstrate this user #fifteen · Jun 8, 2021 You won't need to acquire a full delivery container of hulls from Cheddite. However you do have to hold out right up until an OEM imports from Cheddite as well as a smaller buy typically may be included for the container.