Post
by Eax-E » 23 May 2023 20:13
Hello
Thanks friends.
This weapon was a very bad design. Its low length related to the caliber provided a low velocity, ended up with bad ballistic caracteristics. The flight time was too high and the course was too curvy to follow, aim and hit a mooving target. The shell arrival angle was also on the problem list.
One of the biggest problem was the smoke after the shooting. It was too thick and the dispersion was too slow ; as a result the gunner would systematically loose his target from his sightline. Several design changes were experienced on prooving ground about two options :
- Adding a muzzle brake to oriente or disperse the smoke. Several muzzle brake shapes were tested.
- Changing the powder type.
No good result was obtained. In the end, a so called "solution" was found : an observer was set on the side, away enough not to be hampered from the smoke. He would indicate to the gunner where was the target to help him to retrieve it trough the aiming optic once the smoke has vanished. A kind of apparatus made the link to indicate the target location. That is undoubtly why the Regelbau 663 had an observer cupola aside.
Bye
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Investigations are on going to know more about its origine, probably Le Pointeau or Fest.Pi. Park.
