Testing BPI Mica Wad Slick
Вставка
- Опубліковано 4 жов 2024
- A four-minute video demonstration of Mica Wad Slick including velocity and pressure tests.
Control Group:
Straight-Wall:
•Federal Plastic w/ Paper Basewad
•Winchester 209 Primer
•25.5gr Universal Powder Charge
•Claybuster CB1118-12/WAA12 Wad
•1 1/8oz Lead Shot
•Cardboard Overshot Card
•Fold Crimp
Taper-Wall:
•Winchester Poly-Formed w/ Plastic Basewad
•Winchester 209 Primer
•22gr Universal Powder Charge
•Claybuster CB1118-12/WAA12 Wad
•1 1/8oz Lead Shot
•Cardboard Overshot Card
•Fold Crimp
Results:
Straight-Wall:
Control:
1,250.5 FPS
8,167 PSI
Mica Wad Slick:
1,225.50 FPS
8,083 PSI
25FPS/2% Velocity Reduction
84PSI/1% Pressure Reduction
Taper-Wall:
Control:
1,174.90 FPS
7,774 PSI
Mica Wad Slick:
1,147.50 FPS
7,711 PSI
27.4FPS/2% Velocity Reduction
63PSI/1% Pressure Reduction
Music - Cold Funk Funkorama by Kevin MacLeod
Outstanding analysis. This seems like an answer to a problem that doesn't exist. Besides, the mica spillage all over my press would drive me nuts. Thanks for the review, TATV.
It's an interesting idea, and I applaud BPI on being innovative enough to try something new like this, but I'm inclined to agree with you. It doesn't work as advertised, nor does it address a problem many loaders are likely to encounter.
It is one of those products that sounds good on paper . Thanks for sharing .
I have to agree; I was pretty psyched to try it, but it looks like it's all hype and no substance.
When you decrease friction you will always decrease pressure as there is less resistance. It may seal just as good as the factory wads but decreasing the pressure always yields lower velocity because the amount of force on the wad is decreased so, to get the benefits that BPI states you have to increase your powder slightly to increase the pressure to the same as before. Increasing powder for the same pressure is almost always going to yield the results you are looking for in velocity. You can’t have the best of both worlds but we all know what we want out of our hand loads so you decide if this is for you. Just trying to keep y’all informed out there. Take care.
Yes, I thought that this was to allow a slightly larger powder charge for higher velocity.
from what I've seen about Mica Was Slick is that it will mainly benefit hard shots.
Thanks for demonstrating, testing this stuff. there is a lot of snake oil out there in the gun world making claims of better accuracy, lower wair, cost savings, faster results, I agree with JCM45, just the fact that my shotgun press gets covered with the dust would make me deterred from using it. I have read where people have used a simple super light watered down floor wax applied to the wads, then air dried before use. However, that is another claim for improved performance. I take things with a grain of salt anymore.
I thought this were made for larger shot like 00 buck or for heavy and hard tungsten projectiles that can damage the wad
you should try slightly increasing powder charge for each string. That would be interesting.
That's a bummer. I wonder if it would have more effect on something like long steel shot / heavy payload wads like the CSD series loaded to max
That's an interesting question/idea; I have some on hand, maybe I'll give them a try and see.
Awesome, I'll stay tuned in. Thanks for the reply.
Looks like the mica is Not sealing as well as the bare wad and is letting blow by bleed off the pressure and thus the velocity.
That could be it, or perhaps it could just be that the wad/payload starts moving that much sooner because of the reduced friction, preventing as much pressure from building up and thus failing to reach higher speeds. Regardless of how it works, it doesn't appear to be good for much beyond seating difficult payloads.
What about how mica effects patterns or not?
I can't say as I've tested that.