From a corrosive standpoint, depending on the metal, the potassium
nitrate is far more corrosive than sulfur.
Pyrodex is a "progressive" burning powder similar to that used in modern
firearms. The higher the pressure the faster it burns. It also a lot
cleaner than real black powder. It was just making an appearance when I
was in the business, so it was a long time ago and not a lot of
experience. Ignite a keg of modern powder and it will pop the cap off
If you ever see a cardboard container, even a 1# can of real black
powder, it makes a lot of noise (check the internet)
I had an FFL in the 70's and they'd come around once or twice a year to
check the books, but the last few years I was in business I never saw
them. I didn't keep enough powder on hand to require a magazine. They
liked my record keeping and out of something like 4 or 5 visits never
had a complaint.
Back in the 70's I sold and serviced ham gear and firearms in addition
to having a full time day job. I'm way out of date on both and quit the
day job (Industrial instrumentation) for college at age 47. Then got a
job I really enjoyed.
73
Roger (K8RI)
On 3/30/2015 4:43 PM, Grant Saviers wrote:
A word of caution - take the can label literally, since BP sold in the
USA is legal to possess ONLY for use in BP firearms. Any other use
requires an ATF Explosives User Permit, and you don't want to go
there, with required regular inspections of your record keeping and a
federally approved storage magazine. I believe Pyrodex (no sulfur to
corrode the firearm) is subject to the same regulations.
see the ATF open letter
https://www.atf.gov/sites/default/files/assets/Explosives/Industry/open-letter-black-powder.pdf
Grant KZ1W
On 3/30/2015 7:52 AM, Keith Dutson wrote:
Can says black powder for black powder firearms., imported from
Brazil to
Arlington, Texas. I could find no reference to Pyrodex. 4f is used
in the
flash pan, not the muzzle. I am sure it is the real thing based on
instant
ignition and burn time.
73, Keith NM5G
-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of
Patrick Greenlee
Sent: Monday, March 30, 2015 6:57 AM
To: towertalk@contesting.com
Subject: Re: [TowerTalk] Grounding/Bonding Lessons Learned
Cool, clever substitute. Pyrodex or the real thing? I still have
part of a
one pound can of real 4F.
On 3/29/2015 8:37 PM, Keith Dutson wrote:
Patrick NJ5G
Thanks for the great tip. I will be doing 12 this summer, and just
happen to have a pound of Elephant FFFFg.
73, Keith NM5G
-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of
RMorris
Sent: Sunday, March 29, 2015 12:17 PM
Cc: Towertalk Reflector
Subject: Re: [TowerTalk] Grounding/Bonding Lessons Learned
On Mar 29, 2015, at 10:09 AM, Mike Fahmie via TowerTalk wrote:
I had a similar problem igniting a Cadweld that had lost its ignition
powder.
Needing to do 99, on a damp day, a little 2F black powder from the
flintlock shooting kit got them to work every time.
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73
Roger (K8RI)
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