Double-cam / double-rocker Desmo

This type of desmo is characterised by:
Conjugate cams (akulon copied again from the "Peeren" cams) on a single shaft.
The double rockerarms pivot on a common rockerspindle.
Two rollers used as camfollowers.
This specific model is according a Krupp patentdesign from 1911.
In this design we see an extra rocker controlling the valve.
This specific model is completely solo made.

(Classification = Group 6B)