- Posts: 33
- Joined: 06 Jan 2006 13:14
- Location: Germany
MK 411 - so called Motorkanone was designed in two calibres, 28 mm and 30 mm. No more info!
MK 413 - Motorkanone with three barrels from Krupp. No more info!
Perhaps just concepts or projects, but maybe one or the other has more information.
- Posts: 349
- Joined: 17 Nov 2008 15:59
https://www.secretprojects.co.uk/thread ... ent.36128/