Thread: Discussion need help nitro marine motor
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Old Oct 08, 2012, 09:27 PM
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"Unnecessary Necessity"
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Joined Sep 2006
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It is just an OPS with exhaust throttle(they were quite popular in the 80's & 90's like your K&B with similar setup. The carb is replaced by a simple ventury, like a c/l or free flight engine, what you see closing and opening while rotating the crankshaft is the rotary disk which time the intake(the staff at your hobby shop doesn't know much about engines) There is an OPS dedicated thread in the "engines forum":
http://www.rcgroups.com/forums/showt...&highlight=ops
They were good engines in their time along with PICCO,ROSSI & K&B
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