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	<title>B21 Ronda Drake Edition 2 &#8211; RCRevolution.net</title>
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		<title>O.S. Speed – B21 Ronda Drake Edition 2</title>
		<link>https://www.rcrevolution.net/o-s-speed-b21-ronda-drake-edition-2/</link>
					<comments>https://www.rcrevolution.net/o-s-speed-b21-ronda-drake-edition-2/#respond</comments>
		
		<dc:creator><![CDATA[Gigi]]></dc:creator>
		<pubDate>Sat, 04 Feb 2023 08:00:22 +0000</pubDate>
				<category><![CDATA[Motori]]></category>
		<category><![CDATA[B21 Ronda Drake Edition 2]]></category>
		<category><![CDATA[O.S. Engines]]></category>
		<category><![CDATA[O.S. Speed]]></category>
		<category><![CDATA[Ronda Drake]]></category>
		<guid isPermaLink="false">https://www.rcrevolution.net/?p=25775</guid>

					<description><![CDATA[O.S. Speed ha presenta il motore B21 Ronda Drake Edition 2.&#160;Basato sul motore Ronda Drake Edition, il nuovo Edition 2 ha sempre un alesaggio x corsa 16,4 x 16,55 mm, albero motore con rivestimento duro DLC e doppio contrappeso, cuscinetto [&#8230;]]]></description>
										<content:encoded><![CDATA[
<p>O.S. Speed ha presenta il motore B21 Ronda Drake Edition 2.&nbsp;Basato sul motore <a href="https://www.rcrevolution.net/o-s-speed-b21-ronda-drake-edition-engine/" data-type="URL" data-id="https://www.rcrevolution.net/o-s-speed-b21-ronda-drake-edition-engine/" target="_blank" rel="noreferrer noopener">Ronda Drake Edition</a>, il nuovo Edition 2 ha sempre un alesaggio x corsa 16,4 x 16,55 mm, albero motore con rivestimento duro DLC e doppio contrappeso, cuscinetto a sfera posteriore in ceramica e sottotesta con o-ring ma è caratterizzato. E’ caratterizzato da una nuova testa di raffreddamento anodizzata bicolore nero/rosa di nuova concezione per migliorare le prestazioni riducendo il peso e abbassando il baricentro e adotta un nuovo tappo carter ha una piastra reggispinta incorporata per ridurre l’usura dovuta all’interferenza tra la biella e il tappo carter stesso durante la rotazione. Forniti di serie due diversi Venturi carburatore, 6.5 per buggy e 7.5 per truggy. Il motore è disponibile anche in set combo che include lo scarico TB02 EFRA 2089&nbsp; e il collettore MB01-75.<br>Tutte le informazioni&nbsp;<a href="http://www.osspeed.com/jpn/2023/ronda2/index.html" data-type="URL" data-id="http://www.osspeed.com/jpn/2023/ronda2/index.html" target="_blank" rel="noreferrer noopener">QUI</a>.</p>



<p>Specifiche tecniche</p>



<p>Cilindrata: 3,49 cc / 0,213 cu.in<br>Alesaggio: 16,4 mm / 0,646 pollici<br>Corsa: 16,55<br>Potenza: 2,65 CV / 2,61 CV / 34.000 giri/min<br>RPM range: 4.000-42.000 giri/min<br>Peso: 350 g /&nbsp;12,35 once</p>



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<p>Fonte:&nbsp;<a href="https://www.osengines.com/" target="_blank" rel="noreferrer noopener">www.osengines.com</a>&nbsp;|&nbsp;<a href="https://www.osspeed.com/" target="_blank" rel="noreferrer noopener">www.osspeed.com</a></p>



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