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Sarg
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Reged: 20/01/07
Posts: 1365
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Re: Some Info on ball mould size in 12 & 8 Bore ?
      17/12/11 11:54 PM

Well I've posted all the details on the 12 Bore before , but to summarize the 12 bore is a top lever hammerless by Tolley 1896 , 3in most likely a 9Dram rifle , but no load data on the rifle , 1 in 80in twist , 24in barrels , 100 yard standing sight folding to 300 , almost 15lbs & semi visible rifling , actually the rifling is more than that it is rounded with sharp lands !

I have been shooting near 600Gr round balls at high 1900 to 2000 fps to try & get the barrels together , but still shoots 2in apart at 50yards , barrel groups are in the same hole most times , with the right load & I don't mess it up !

The 8 Bore is not put together yet , but will be a round ball rifle to at around 10 Dram level using nitro loads how ever & in plastic industrial cases for now , sized to 8 bore spec , twist is 1 in 100 , barrels will be 24in long.

I think I know now to make the moulds .005 over groove , but I suppose I need the ball round still after leaving the bore for aerodynamics ?

Thank you for the help .

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Entire topic
Subject Posted by Posted on
* Some Info on ball mould size in 12 & 8 Bore ? Sarg 13/12/11 10:58 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? gatsby   17/12/11 03:44 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? gatsby   17/12/11 03:40 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? CommandCar   17/12/11 02:06 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? Sarg   17/12/11 11:54 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? CommandCar   18/12/11 03:31 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? Sarg   18/12/11 07:13 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? tinkerModerator   19/12/11 01:49 AM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? Sarg   19/12/11 05:44 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? CommandCar   21/12/11 04:53 AM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? DarylS   21/12/11 05:03 AM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? DarylS   21/12/11 05:29 AM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? Sarg   21/12/11 12:11 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? CommandCar   21/12/11 12:57 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? rigbymauser   17/06/12 06:06 AM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? CommandCar   21/06/12 08:19 AM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? rigbymauser   22/06/12 06:25 AM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? DarylS   22/06/12 01:24 AM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? DarylS   18/06/12 02:08 AM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? tinkerModerator   18/06/12 02:05 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? CommandCar   20/12/11 02:23 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? tinkerModerator   20/12/11 02:51 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? gatsby   19/12/11 01:58 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? DarylS   19/12/11 03:53 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? gatsby   18/12/11 04:08 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? CommandCar   18/12/11 04:50 AM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? Sarg   18/12/11 12:32 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? gatsby   18/12/11 01:34 PM
. * * Re: Some Info on ball mould size in 12 & 8 Bore ? DarylS   18/12/11 04:58 AM

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