Miniature Engineering Museum:
Gipsy 1/4 Scale Aero Engine, by Pat Loop, WA, 1990s
Miniature Engineering Museum:
Continental C85 Aircraft Engine, 1/4 Scale Model by Dennis Fadden, Canada
Miniature Engineering Museum:
Satra 0-440 4-Cylinder Glow Ignition Aircraft Engine by Bruce Satra, Utah, 1980s
Miniature Engineering Museum:
Caminez 4 Cylinder 4 Cycle Radial Engine by Wally Warner, MI, 2007
Miniature Engineering Museum:
Ross Four Cylinder Drone Engine by Lou Ross, AZ, 1972
Miniature Engineering Museum:
SATRA 0-440, 4 Cylinder Spark Ignition Aircraft Engine, Designed and Built by Bruce Satra, UT, mid 1980s
Miniature Engineering Museum:
Mason “Mastiff” 4 Cylinder Opposed Engine, Designed by L. C. Mason, England, Built by T. E. Murphy, Phoenix, Arizona, 1982
Miniature Engineering Museum:
4 Cylinder 4 Cycle Lars Martin Inline Engine by Overall Motor Works, CA, 1980s
Miniature Engineering Museum:
Schillings 40cc, Inline 4 SOHC Designed and Built by Hubert Schillings, Germany, early 1970’s
Miniature Engineering Museum:
Ross Inline 4 Prototype by Lou Ross, AZ, Date Unknown
Miniature Engineering Museum:
Profi Engine, DOHC 50, Water Cooled 4 Cylinder Inline Designed and Built by Profi ME, Czech Republic, 2008
Miniature Engineering Museum:
4 Cylinder 4 Stroke Flathead Inline Morton M42 by Jim Hawk, OK, circa 2006
Miniature Engineering Museum:
4 Cylinder Flathead Model Auto Engine by Overall Motor Works, CA, 1980’s
Miniature Engineering Museum:
Overall Motor Works (OMW) Micro 4 Cylinder Side Valve Model Car Engine
Miniature Engineering Museum:
Wright Brothers 4 Cylinder 4 Stroke Inline Aircraft Engine, 1/4-Scale by Lloyd Butler, Ohio, 1980s
Miniature Engineering Museum:
4 Cylinder 4 Cycle Inline Boat Engine, Builder Unknown, Date Unknown
Miniature Engineering Museum:
Ford Flathead Model A, 1/5 Scale by Ted Maciag, Profi ME, 2002
Miniature Engineering Museum:
Ford Model A "Hot Rod" Engine, 1/5 Scale by Ted Maciag and Profi ME, 2002
Miniature Engineering Museum:
Gay 4 Cylinder Engine, Designed and Built by Mr.Gay, San Diego CA, 1927
Miniature Engineering Museum:
V4 Stirling Cycle Engine Designed and Built by Alphonse C. Vassallo, CA, 1994
Miniature Engineering Museum:
4 Cylinder Opposed Airplane Engine by John V. Thompson, KS, 1990s
Miniature Engineering Museum:
Cirrus Engine, 1/9 Scale by Eric Whittle, UK, circa 1990s
Miniature Engineering Museum:
Cirrus Engine, 1/9 Scale by Eric Whittle, UK, circa 1990s
Miniature Engineering Museum:
Cirrus 1/9-Scale Model Engine by Eric Whittle, UK, circa 1990s
Miniature Engineering Museum:
Cirrus 1/9 Scale Model Engine by Eric Whittle, UK, circa 1990s
Miniature Engineering Museum:
Peewit, 4 Cylinder 4 Stroke Opposed Aircraft Engine Built by Eric Whittle
Miniature Engineering Museum:
4 Stroke 4 Cylinder Opposed Airplane Engine "Peewit" Built by Eric Whittle, UK
Miniature Engineering Museum:
Morton M4, Four Stroke Rotary Valve Inline by Glenn Morton, circa 1945
Miniature Engineering Museum:
Morton M4 Two Stroke Inline Engine, circa 1945
Miniature Engineering Museum:
Menasco Vertically Opposed 4 Cylinder Target Drone Engine, circa 1940's
