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Concept Drawings for the "McCormick-Stearmann Stirling Steam
Wagon Transport"

In homage to a homemade go kart,a 1950 McCormick WD 6 tractor and a
1965 McCormick IH203 combine

twin cylinder stirling cycle air engine convertible to steam and stirling-steam
saddle on main cylinder directs hot gases as well as enclosed water jacket that generates steam

Invented somewheres between 1816 and 1836,the Stearmann motor generates enough power in the
stirling cycle mode(using heat collected from sunlight)to act as a sort of pup motor capable of propelling
the wagon under full load somewhere between .1 to .99 miles / hour
which meant even with no other fuel,water available,a Stearmann motor could still put out 1 horsepower or so
of free useful work.

It used a black silo like smokestack attached to the main cylinders saddle to act as a solar collector in a
pinch.
Under steam or with the firebox attached the Stearmann motor was capable of putting out much more power

The Universal Actuator is still a "black box" at this moment but probably used a chain from the main crankshaft
to rotate a cam or shaft which were grooved to distribute steam or air depending on the part
of the cycle the motor was in.Probably switching modes meant changing pulleys and shafts,as well
as openning and closing valves attached to the UA and the two cylinders it was located between

The McCormick-Stearmann was shipped from the factory with the basic running gear and the engine/transmission
installed.It was up to the farmer/pioneer/explorer/dealer
to install the firebox,wagon wheels and cable and
tiller.Shown here is a basic 1867 McCormick-Stearmann

Shown here is a twin cylinder Stearmann engine with wooden greased crankshaft bearings,and a
worm and gear powertakeoff as well as a wooden cogwhell attached to the worm PTO

The wooden cogwheels on some McCormick-Stearmanns meant the hardy pioneer such as
Charles "Pa" Ingalls could always repair a broken down wagon transport after unreliable mustang ponies
such as Patty and Patsy ran off .Horses were quickly made obsolete as pioneers switched
to more reliable coal and prarie grass burning Stearmann motor powered Conestoga wagons

The 1836 McCormick-Stearmann using tarred rope belting to transmit power from the motor to the
rear wagon wheels and using cables to steer the front axle

Modular components of a basic McCormick=Stearmann you could order at the nearby blacksmith dealer