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1907 Krotz - The Sears Prototype

So you want to see pictures of the 1907 Sears proto type - the 1907 Krotz? Well, you have found the right page.

Thanks to Karl Chulick for allowing these pictures to appear here. According to Carl, the serial number on the cross member of the frame of this car is "AK01". Other interesting things is that the frame has extra holes in the area of the jack-shaft mounting where different size drive wheels were tried.

I hope you enjoy looking at the information.


This is a picture of Karl Chulick and his 1907 Sears Krotz, which appears to be the first proto type built for the Sears Motorbuggy.
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A nice passenger side view of the proto-type Sears.
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A front view of the proto-type Sears
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A rear view of the proto-type Sears
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Front of the proto-type Sears shwing the crank.
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The ignition switch as used on the Sears.
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Side of body showing no joint between the piano box body and seat riser as the production Sears had.
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Control pedals which look more like a couple of washers welded to the arms than the production Sears had.
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An older style engine.
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Another view of the engine.
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Under the seat area.
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The coil under the seat.
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Under the seat area looking from the back shwing the gas tank on the right.
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The seat and dash.
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Another view of the seat and dash.
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Side view showing jack shaft. NOTE the extra hole in the frame when they where trying different size drive wheels.
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A much more cobbled or proto-type looking swinging mechanism for the jack shaft.
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Rear Wheel Sprckets.
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The Front axles which looks like something I could have made in my shop. Good enough for a prototype.
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The friction drive wheel.
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Another view of the friction drive wheel.
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A nice looking carburator.
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Cooling fans.
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Drivers side showing controls.
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End of the engine. Different than the production Sears cars.
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This page was last modified on: Saturday, June 06, 2009
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