Kerosene and other jet fuels frequently serve in this role in aviation engines.
Gnome manufactured around 200 rotary aviation engines per month.
Otherwise, the aircraft differed little from similar structures from the pioneering years of aviation engine.
This also ignores the many old vehicles on the road (and aviation engines running on motor gas, but that's just noise in the charts).
This particularly helps aviation engines, as they need to operate at high altitude.
Some aviation engines have experienced cooling problems when used as pushers.
Nevertheless, the 3 liters aviation engine was powerful enough to allow good performances even in hill climbing races.
Other exhibits include commercial air memorabilia, early aviation engines and airport beacons.
The twin aviation engines can maneuver the blimp but not very deftly.
The second option is the improvement of the fuel efficiency of aviation engines.