Miniature Engineering Museum:
9 Cylinder Rotary Gnome 160 by Ray Williams at Denver International Airport, 2006
Miniature Engineering Museum:
1/4 Scale Bentley Rotary Aircraft Engine In Sopwith Snipe
Miniature Engineering Museum:
Pratt & Whitney R-985 Wasp Jr. Radial Aircraft Engine- Front View, 1/4 Scale by Paul Knapp, Arizona, 2004
Miniature Engineering Museum:
Pratt & Whitney R-985 Wasp Jr. Radial Aircraft Engine- Side View, 1/4 Scale by Paul Knapp, Arizona, 2004
Miniature Engineering Museum:
Pratt & Whitney R-985 Wasp Jr. Radial Aircraft Engine- Rear View, 1/4 Scale by Paul Knapp, Arizona, 2004
Miniature Engineering Museum:
World Record, Gnome 160 Rotary Airplane Engine, 1/3 Scale Model Built by Ray Williams, New York, 2001
Miniature Engineering Museum:
9 Cylinder LeRhone Rotary Aircraft Engine, Full Scale, circa 1918
Miniature Engineering Museum:
Bentley BR2 Rotary Engine Up Close by Paul Knapp AZ 2012
Miniature Engineering Museum:
Bentley Head and Rimfire Spark Plugs by Paul Knapp (see links below)
Miniature Engineering Museum:
Cox 9 Cylinder Tarantula Radial Aircraft Engine Designed and Built by John V. Thompson, Kansas, 1970s
Miniature Engineering Museum:
JT-1800 9 Cylinder Radial Engine , John Thompson, KS, early 1990s
Miniature Engineering Museum:
Sopwith Snipe and Bentley Engine 1/4 Scale Model by Robert Cooper
Miniature Engineering Museum:
Bentley Engine in Sopwith Snipe, 1/4 Scale by Robert Cooper
Miniature Engineering Museum:
Gasparin G-24NR 9 Cylinder Rotary Engine by Stefan Gasparin, Czech Republic, 2011
Miniature Engineering Museum:
Bentley BR2 Rotary Aero Engine Running - rear quarter view
Miniature Engineering Museum:
Bentley BR2 Rotary Aero Engine Running - side view
Miniature Engineering Museum:
Running a Bentley BR2 Rotary Engine - rear view
Miniature Engineering Museum:
Bentley BR2 Rotary Aero Engine Running - front quarter view
Miniature Engineering Museum:
Running the Bentley BR2 Rotary Aero Engine - front quarter view
Miniature Engineering Museum:
Cox 9 Cylinder Tarantula Radial Engine by Robert Washburn, WA
Miniature Engineering Museum:
Gnome 160 HP, Denver International, 2006,
Miniature Engineering Museum:
Maxse T7 Radial Engine, Denver International Airport, 2006
Miniature Engineering Museum:
John Thompson Radial, Denver International Airport, 2006
Miniature Engineering Museum:
Bentley BR2 Rotary Engines by Paul Knapp, AZ, 2002
Miniature Engineering Museum:
Bentley BR2 from the Cockpit
Miniature Engineering Museum:
Bentley BR2 on the Assembly Bench
Miniature Engineering Museum:
Bentley BR2, Spark Plug Wires
Miniature Engineering Museum:
Bentley BR2, 1 Hour Run In
Miniature Engineering Museum:
Bentley BR2 by Paul Knapp, Front View
Miniature Engineering Museum:
Oldest Model Radial Engine Built in 1922 by Edward R. Glenn (as found)
