PART THREE - Models:
I have said that the first Platypus models were electric.
Platypus made petrol machines in 2-stroke and 4-stroke variants.
But by mid 1953 Platypus were advertising petrol models.
They were powered by Iron Horse 4-stroke Horizontal shafts either made or branded
as Coopers. [I do not know what brand was used for the 2-strokes.

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Cooper Engineering history: http://www.oldengine.org/members/kmorris/Webpages/Cooper.html

The Range:
12� 1/3 h.p. electric, push & electric, self-propelled
15� � h.p. electric, self-propelled; petrol, self-propelled
17� petrol, self-propelled
20� petrol, self-propelled

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Last edited by CyberJack; 01/03/17 07:31 PM. Reason: Updated information.