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Farm Machinery
Classic Machinery
Massey Harris Pony - Different models?
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<blockquote data-quote="Lasse V" data-source="post: 7907971" data-attributes="member: 149444"><p>Found this piece of info:</p><p></p><p>Google translated from French: </p><p> </p><p>The 21 or 821 is offered with the Hanomag two-cylinder engine practically identical to that of the 820.</p><p>It has an output of 20 hp at 1850 rpm.</p><p>A few remarks on this engine.</p><p>The engine with the same number of revolutions develops twice as many engine times with its two strokes than with four strokes, resulting in greater regularity of operation. This is achieved by bringing in the scavenging pump which blows the fresh air into the chamber while expelling the burnt gases. This blower is fragile and its lifespan is shorter than that. of the motor.</p><p>The exhaust is quite noisy.</p><p>Once heated with its candles it starts very well even in cold weather.</p></blockquote><p></p>
[QUOTE="Lasse V, post: 7907971, member: 149444"] Found this piece of info: Google translated from French: The 21 or 821 is offered with the Hanomag two-cylinder engine practically identical to that of the 820. It has an output of 20 hp at 1850 rpm. A few remarks on this engine. The engine with the same number of revolutions develops twice as many engine times with its two strokes than with four strokes, resulting in greater regularity of operation. This is achieved by bringing in the scavenging pump which blows the fresh air into the chamber while expelling the burnt gases. This blower is fragile and its lifespan is shorter than that. of the motor. The exhaust is quite noisy. Once heated with its candles it starts very well even in cold weather. [/QUOTE]
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Massey Harris Pony - Different models?
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