On 02/08/2016 01:56 PM, Nicklas Karlsson wrote:
>>>> Screwed breeches of the Welin or de Bange type are only used with
>>>> bagged charge guns. They both use a de Bange obturator for sealing
>>>> whereas a brass-case gun used the case for obturation.
>>>> This might mean they need no lead, but the pictures seem to indicate
>>>> one.
>> Krupp sometimes used the Welin style interrupted thread with the Elswick
>> cone for a quicker action. It is easy to fire 15 rounds per minute.
> I would guess 15 rounds per minute is for sliding block and a queue of 
> personel inserting ammunition is needed to get the 15 rounds per minute.
>
No, this is a screw breech. We have rapped off 10 rounds in 30 seconds 
using 3 people when firing blanks at the Independence Day fireworks. 
When firing live rounds we take our time.

For a sliding block breech with auto eject and auto close you can get up 
near 30 rounds per minute

Ed.


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