This kind of desmo has the following characteristics:
SOHC-systems with three-armed rockers,
sometimes elastically coupled.
Numerous (over 50) designs according to this principle exists.
Famous names designed this system (Delage; Ford; Honda; Volkswagen)
and others even produced it (Ballot; Michaux/Schneider and Cenna).
This model has akulon cams copied from the “Peeren” (Group 8B) cams.
This is one of the totally solo-made models.
(Classification = Group 7B)