Is IMR powder temperature sensitive?
Table of Contents
Is IMR powder temperature sensitive?
IMR 4166 performed very similar to Varget, and proved to be fairly insensitive to large swings in temperature. IMR 4451 had the largest swing in muzzle velocity of the powders tested, but keep in mind just 68 fps over 115° F swing is still a good performance.
Is IMR 7828 a good powder?
Our Rating: Good and bulky. DuPont IMR-7828. This powder produced the highest velocities of the test, but didn’t require the most room in the case. Our Rating: Best of Test.
Is IMR 7828 discontinued?
*The standard 7828 was discontinued by IMR/Hodgdon in 2018. They are now only offering 7828 SSC. IMR 7828 SSC is a magnum rifle powder with exactly the same burn rate as standard IMR 7828 and uses the same data.
What is temperature sensitivity factor?
Temperature Sensitivity Factor: Accounts for changes in muzzle velocity with changes in temperature. Features custom input or general table with commonly used long-range powders.
What is IMR 7828 SSC powder used for?
IMR 7828 SSC is a magnum rifle powder with exactly the same burn rate as standard IMR 7828 and uses the same data. However, due to the super short kernels, metering is virtually as good as a spherical powder. This allows up to 4% more powder space in the case and in many loads yields more velocity than standard 7828.
What is the slowest burning rifle powder?
Vihtavuori N170 is the slowest burning rifle powder in the N100 series (not taking 20N29 and 24N41 into account) and in fact one of the slowest canister-grade powders readily available from any manufacturer on the market.
How do you calculate temperature sensitivity?
More simply stated, we can calculate the sensitivity of a resistance thermometer by multiplying the resistance of the RTD at the reference temperature R0 (i.e. its calibration temperature) by the Temperature Coefficient of Resistance (TCR, or alpha value) as follows: Sensitivity = KRTD = R0 * α.
Is Ramshot Magnum temperature sensitive?
Most of our powders are not insensitive, and will show some effect at hot and cold temperatures. However, we test at -40F and +125F and the deviation in most cases are ca 3% to 5% at these extreme levels.
Is H4350 slow burning?
Probably the best example of this is the slow-burning single-based rifle propellant known as 4350. Available now as the original IMR 4350, Hodgdon’s H4350 and Accurate Arms’ 4350, the potential for confusion is obvious….be listed elsewhere as:
| Hodgdon H4350 Extreme | H4350 EXT | |
|---|---|---|
| Vihtavuori N170 | Viht N170 | N170 |
What is temperature sensitivity coefficient?
Temperature coefficient of the sensitivity (% F.S./10°C) Guaranteed drift of the sensitivity according to the temperature in the compensated range. This drift is usually expressed in % of the measurement for a variation of 10 °C. For electronics and torquemeters, it is expressed as a function of full scale.
What does temperature sensitivity mean?
Temperature sensitivity refers to the ability to detect changes in the temperature of the skin. These changes may involve either increases (warming) or decreases (cooling) relative to the adapted temperature level of the skin. The temperature-sensation system appears to serve primarily as an early warning system.
Are Ramshot powders temperature sensitive?
5. What is the real story behind temperature stability? Most of our powders are not insensitive, and will show some effect at hot and cold temperatures. However, we test at -40F and +125F and the deviation in most cases are ca 3% to 5% at these extreme levels.
Is H1000 temp sensitive?
I agree with the others for starting with H1000 for your Win Mag. And yes, all powders will be temp sensitive to a point.
