Modellmaschinenbau
Armin de Vries 

 

 

Kratmo 4A


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The Kratmo 4 A was designed by Walter Kratzsch around 1930 and built between 1931 and 1936. In design and construction, this model engine corresponds to the Kratmo 10 and differs only in size.
There are only a few original engines left, but almost all of them are divided among engine collectors and live out their “existence” in a collector's display case.

Technical data:

Displacement: 4,07ccm
Stroke: 16 mm
Bore: 18 mm
Weight: 420 g
Speed: 5000 rpm
Prop: 11“ X 5” - 12.5” X 6
Selling price with

 ignition system 480,00 €

 

Betriebsanleitung
Kratmo 4A Betriebsanleitung.pdf (60.41KB)
Betriebsanleitung
Kratmo 4A Betriebsanleitung.pdf (60.41KB)