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rigbymauser
.400 member


Reged: 15/05/05
Posts: 1972
Loc: Denmark
Re: Cogswell & Harrison.500 express, London.
      07/03/21 08:08 PM

Quote:

8lbs 10oz with 28" tubes

That must handle nicely




It does. Min is about there too.

Mike:

Mine has the same twist but dislike 440grain.

My 52 grain load with Norma powder and 370grain has been chronographed in a HH .500 to 495 m/sec(1624 ft/sec). My 51 grain load however is the best.
I wonder if my rifle regulates with a 370grain SWC style bullet @ 1600 ft/sec, wich is very sweet to shoot with is that gun ever could regulate with load going any faster?.

The SWC style bullet I use now ofcouse has different flightcharacteristics than a traditional roundnose has and maybe my 340 HPs can be driven up to a regulating speed of 1800 ft/sec?...or in reality the velocities given in the books of the 1890s were really not the correct velocities?....It won’t be long before I have some 340grain HPs casted and the target will tell the truth.

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Subject Posted by Posted on
* Cogswell & Harrison.500 express, London. rigbymauser 10/05/20 12:51 AM
. * * Re: Cogswell & Harrison.500 express, London. DarylS   10/05/20 01:13 AM
. * * Re: Cogswell & Harrison.500 express, London. rigbymauser   10/05/20 01:27 AM
. * * Re: Cogswell & Harrison.500 express, London. TH44   10/05/20 07:28 AM
. * * Re: Cogswell & Harrison.500 express, London. tinker   11/05/20 12:12 AM
. * * Re: Cogswell & Harrison.500 express, London. poprivit   11/05/20 12:33 AM
. * * Re: Cogswell & Harrison.500 express, London. rigbymauser   20/09/20 11:14 PM
. * * Re: Cogswell & Harrison.500 express, London. rigbymauser   20/09/20 11:51 PM
. * * Re: Cogswell & Harrison.500 express, London. DarylS   21/09/20 02:54 AM
. * * Re: Cogswell & Harrison.500 express, London. 3DogMike   21/09/20 06:42 AM
. * * Re: Cogswell & Harrison.500 express, London. rigbymauser   05/10/20 02:32 AM
. * * Re: Cogswell & Harrison.500 express, London. tinker   05/10/20 02:56 AM
. * * Re: Cogswell & Harrison.500 express, London. DarylS   05/10/20 03:25 AM
. * * Re: Cogswell & Harrison.500 express, London. rigbymauser   05/10/20 04:11 AM
. * * Re: Cogswell & Harrison.500 express, London. DarylS   05/10/20 04:18 AM
. * * Re: Cogswell & Harrison.500 express, London. 85lc   05/10/20 08:28 AM
. * * Re: Cogswell & Harrison.500 express, London. DarylS   05/10/20 11:57 AM
. * * Re: Cogswell & Harrison.500 express, London. Marrakai   05/10/20 01:04 PM
. * * Re: Cogswell & Harrison.500 express, London. DarylS   06/10/20 03:08 AM
. * * Re: Cogswell & Harrison.500 express, London. rigbymauser   27/10/20 02:54 AM
. * * Re: Cogswell & Harrison.500 express, London. DarylS   27/10/20 03:22 AM
. * * Re: Cogswell & Harrison.500 express, London. rigbymauser   28/11/20 12:55 AM
. * * Re: Cogswell & Harrison.500 express, London. DarylS   28/11/20 04:27 AM
. * * Re: Cogswell & Harrison.500 express, London. tinker   28/11/20 05:33 AM
. * * Re: Cogswell & Harrison.500 express, London. rigbymauser   28/11/20 06:25 AM
. * * Re: Cogswell & Harrison.500 express, London. vandeusenps   29/11/20 08:42 AM
. * * Re: Cogswell & Harrison.500 express, London. rigbymauser   17/02/21 05:59 AM
. * * Re: Cogswell & Harrison.500 express, London. 3DogMike   17/02/21 08:47 AM
. * * Re: Cogswell & Harrison.500 express, London. rigbymauser   17/02/21 08:57 AM
. * * Re: Cogswell & Harrison.500 express, London. 3DogMike   17/02/21 09:36 AM
. * * Re: Cogswell & Harrison.500 express, London. 3DogMike   17/02/21 09:44 AM
. * * Re: Cogswell & Harrison.500 express, London. rigbymauser   17/02/21 09:45 AM
. * * Re: Cogswell & Harrison.500 express, London. 3DogMike   17/02/21 09:47 AM
. * * Re: Cogswell & Harrison.500 express, London. 3DogMike   28/02/21 02:41 AM
. * * Re: Cogswell & Harrison.500 express, London. rigbymauser   28/02/21 03:01 AM
. * * Re: Cogswell & Harrison.500 express, London. Parabola   28/02/21 03:50 AM
. * * Re: Cogswell & Harrison.500 express, London. rigbymauser   28/02/21 04:39 AM
. * * Re: Cogswell & Harrison.500 express, London. 3DogMike   07/03/21 03:11 PM
. * * Re: Cogswell & Harrison.500 express, London. tinker   07/03/21 03:58 PM
. * * Re: Cogswell & Harrison.500 express, London. rigbymauser   07/03/21 08:08 PM
. * * Re: Cogswell & Harrison.500 express, London. 3DogMike   08/03/21 01:38 AM
. * * Re: Cogswell & Harrison.500 express, London. NitroXAdministrator   11/03/21 01:51 AM
. * * Re: Cogswell & Harrison.500 express, London. rigbymauser   08/03/21 02:48 AM
. * * Re: Cogswell & Harrison.500 express, London. NitroXAdministrator   11/03/21 01:56 AM
. * * Re: Cogswell & Harrison.500 express, London. 93x64mm   11/03/21 10:46 PM
. * * Re: Cogswell & Harrison.500 express, London. NitroXAdministrator   12/03/21 03:14 PM
. * * Re: Cogswell & Harrison.500 express, London. rigbymauser   06/10/20 01:05 AM
. * * Re: Cogswell & Harrison.500 express, London. 3DogMike   10/05/20 02:29 AM

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