1910 Jopson Motor Carburetor

One of the most unique features of the 1910 Jopson Motor is the wick carburetor system in the fuel tank. A small plate on the tank holds a series of wicks that are immersed in the fuel and evaporate fuel vapor into the passing air stream, which is then pulled into the combustion chamber.

Art was able to take his engine apart and he documented the wick system (still intact after 100 years!) in photographs and drawings.

drawn on yellowing grid paper, this hand drawing shows the layout and every measurement of the fuel tank.
Diagram of the 1910 Jopson Motor’s fuel tank, drawn by Art Gaier.
Six lengths of cord held in a pin serve as the wicks in the 1910 Jopson Motor.
The wicks of the 1910 Jopson Motor’s carburetor system. Photography courtesy of Art Gaier.
A close up of the fuel tank after being removed from the rest of the engine.
A close up of the 1910 Jopson Motor Fuel tank, courtesy of Art Gaier.
A close look shows that the six wicks are actually three lengths of rope that have been threaded in half through the holder.
A close-up of the wicks that serve as a carburetor in the 1910 Jopson Motor. Photo courtesy of Art Gaier.
Drawing on grid paper, the diagram records each wick as 3.5" long.
This hand drawn diagram shows how the wicks are placed inside the fuel tank. Diagram by Art Gaier.Come and see this in person anytime between Memorial Day and Labor Day 2017!

Next up: Did it actually fly?

Come see the engine on exhibit between Memorial Day and Labor Day 2017!

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For more information on the National Model Aviation Museum, including our location, hours and admission fees visit: www.modelaircraft.org/museum

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