Parker Gun Collectors Association Forums  

Go Back   Parker Gun Collectors Association Forums Non-Parker Specific & General Discussions Shotgun Shell Reloading

Notices

Reply
Thread Tools Display Modes
Unread 07-30-2020, 09:38 AM   #51
Member
Bill Murphy
PGCA Lifetime
Member Since
Second Grade

Member Info
 
Join Date: Jun 2009
Posts: 13,328
Thanks: 4,934
Thanked 6,517 Times in 3,621 Posts

Default

Morris has supplied me with ten gauge shells for years. I am a reloader of Federal and Remington hulls because the RST shells are too pretty to shoot.
Bill Murphy is offline   Reply With Quote
Unread 07-30-2020, 03:18 PM   #52
Member
Gary Laudermilch
PGCA Member

Member Info
 
Join Date: Feb 2010
Posts: 1,202
Thanks: 2,622
Thanked 1,842 Times in 587 Posts

Default

Back in the early 70's I worked with the DuPont ballistics lab developing buffered turkey loads utilizing Rem hulls. We were having trouble keeping the pressures where we wanted them. They suggested tying Federal hulls. The switch lowered the pressure by 1000 psi all else being equal.
Gary Laudermilch is offline   Reply With Quote
Unread 07-30-2020, 03:27 PM   #53
Member
charlie cleveland
PGCA Member

Member Info
 
Join Date: Jul 2009
Posts: 11,364
Thanks: 0
Thanked 5,979 Times in 3,163 Posts

Default

gary what caused the pressure to go down...I would have guessed it to be the primer...charlie
charlie cleveland is online now   Reply With Quote
Unread 07-30-2020, 04:25 PM   #54
Member
Gary Laudermilch
PGCA Member

Member Info
 
Join Date: Feb 2010
Posts: 1,202
Thanks: 2,622
Thanked 1,842 Times in 587 Posts

Default

Charlie, the components did not change. Just the hull. According to the ballisticians at the time, the difference was in the composition of the plastic used in the hulls. Federal plastic being more elastic.
Gary Laudermilch is offline   Reply With Quote
The Following User Says Thank You to Gary Laudermilch For Your Post:
Unread 07-30-2020, 04:53 PM   #55
Member
J.B. Books
PGCA Member
 
Pete Lester's Avatar

Member Info
 
Join Date: Jun 2009
Posts: 2,554
Thanks: 1,246
Thanked 3,894 Times in 1,149 Posts

Default

Quote:
Originally Posted by Gary Laudermilch View Post
Charlie, the components did not change. Just the hull. According to the ballisticians at the time, the difference was in the composition of the plastic used in the hulls. Federal plastic being more elastic.
I have been under the impression that hulls with composite base wads produced less pressure than an all plastic hull with all other factors being the same.
__________________
"All paid jobs absorb and degrade the mind" Aristotle
Pete Lester is offline   Reply With Quote
The Following User Says Thank You to Pete Lester For Your Post:
Unread 07-30-2020, 07:26 PM   #56
Member
Big D
PGCA Member
 
John Dallas's Avatar

Member Info
 
Join Date: Nov 2008
Posts: 3,703
Thanks: 355
Thanked 2,812 Times in 1,230 Posts

Default

Tom Armbrust ran test on the effect on velocity from hulls which were new, once fired, up to about 10 reloading. Lowest velocity was the new hull. He theorized that the fired hulls were scuffed up from the firing, and created higher pressures/velocity from the reloads
__________________
"Striving to become the man my dog thinks I am"
John Dallas is online now   Reply With Quote
The Following User Says Thank You to John Dallas For Your Post:
Unread 07-30-2020, 07:58 PM   #57
Member
J.B. Books
PGCA Member
 
Pete Lester's Avatar

Member Info
 
Join Date: Jun 2009
Posts: 2,554
Thanks: 1,246
Thanked 3,894 Times in 1,149 Posts

Default

Quote:
Originally Posted by John Dallas View Post
Tom Armbrust ran test on the effect on velocity from hulls which were new, once fired, up to about 10 reloading. Lowest velocity was the new hull. He theorized that the fired hulls were scuffed up from the firing, and created higher pressures/velocity from the reloads
I think this is the article about that test, loading various hulls up to 12 times. As far as I can see pressure and velocity stayed pretty consistent from new to loaded 12 times for most of them.

http://www.armbrust.acf2.org/caselife.htm
__________________
"All paid jobs absorb and degrade the mind" Aristotle
Pete Lester is offline   Reply With Quote
The Following User Says Thank You to Pete Lester For Your Post:
Unread 07-30-2020, 08:35 PM   #58
Member
Big D
PGCA Member
 
John Dallas's Avatar

Member Info
 
Join Date: Nov 2008
Posts: 3,703
Thanks: 355
Thanked 2,812 Times in 1,230 Posts

Default

It's been a long time since I read the article. The Winchester tests describe what I was talking about
__________________
"Striving to become the man my dog thinks I am"
John Dallas is online now   Reply With Quote
Unread 09-28-2021, 12:37 PM   #59
Member
brianp
Forum Associate

Member Info
 
Join Date: Nov 2016
Posts: 1
Thanks: 0
Thanked 0 Times in 0 Posts

Default

Hey, do you load your bismuth same as lead?
Dian Pilcher is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 11:00 AM.

Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2021, Jelsoft Enterprises Ltd.
Copyright 1998 - 2021, Parkerguns.org
Copyright 2004 Design par Megatekno
- 2008 style update 3.7 avec l'autorisation de son auteur par Stradfred.