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OPS 15cc

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Old 06-28-2004, 04:24 PM
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DeBearSteve
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Default OPS 15cc

I just got a Hydro with an OPS 15cc (90) motor in it. I have done a search and cannot find much information about the care and feeding of this motor. My questions are, 1) How much Nitro can I run in it? 2) What RPM should it run at? and finally 3) What is a good Glow Plug to use in it? It has good compression, and runs nicely on 15% fuel. Thanks in advance for any help.

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Old 06-29-2004, 08:27 PM
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Ron Olson
 
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Default RE: OPS 15cc

Large motors like your .90 run better on low Nitro. 40% is a good place to start at. McCoy MC-9 would be a good plug for it. What RPM? Wide open throttle! This thing is a fuel hog so if you're not going to race it I'd stay at a lower Nitro percentage.
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Old 06-30-2004, 08:38 AM
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Default RE: OPS 15cc

Ron,

Thanks. This boat will not be in any serious racing. I would imagine that the smaller boats will beat it. It's just for looking good on the water. I have also heard that the higher the Nitro the higher the fuel consumption. Thanks again.

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Old 06-30-2004, 02:51 PM
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Default RE: OPS 15cc

True, the higher the Nitro content, the richer the carb has to be.
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