1909 Gnome Ω
Here the engine is throttled to about 900rpm. The magneto brush can be seen sparking on the ignition-commutator ring.
Starting the Gnome requires the correct mixture of fuel & air. With compression and spark, it will start easily. Twin Oil pulsometers show oil pressure and quantity.
Gnome Ω display at 2009 Dawn Patrol Rendezvous.
1917 Clerget 9B
Internal workings of Le Clerget.
First run of the 1917 Le Clerget.
1917 Clerget 9B display at 2014 Dawn Patrol Rendezvous.