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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › Need help to hook up fuel line with OS C-SPEC
02-07-2008 11:23 PM  11 years ago
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Tommy8275

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Mount Juliet, TN

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Need help to hook up fuel line with OS C-SPEC
I need help How to hook up my fuel line to my OS C-SPEC PS. Do I have to hook my pressure line from the pressure tank to a muffler and how to hook up the check valve bettwen the fuel tank and the pump
Tommy K
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02-07-2008 11:55 PM  11 years ago
WiscHeli

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Wisconsin USA

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look here http://manuals.hobbico.com/osm/91sx...ec-p-manual.pdfT-Rex450seV2,, 600N-Pro ..500CF... Jr 9303 Syn 72Mhz
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02-09-2008 05:35 PM  11 years ago
streetluger56

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New Britain, CT - USA

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I also have a c-spec, and the manual gives 2 different options for the fuel line...i am installing this in a freya evo. do these pumped motors benefit any from header tanks?
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02-10-2008 12:47 PM  11 years ago
Jeff polisena

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westpalmbeachflorida usa

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The header tank will benefit to keep air bubbles out and more flight time that what their purpose is but it will change tuning a little .
I have seen many different way to plumb fuel line the check valve is directional lets pressure to tank from case with no back flow.

Muffler does not get used you have pressure from pump and you hook up a return line from reg to 3rd nipple on tank some people put a "T" filter and return fuel goes to carb intake fuel line so you don't need 3rd nipple
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02-10-2008 05:43 PM  11 years ago
Dr.Ben

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Richmond, VA, USA

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To work correctly, the C-Spec PS needs muffler pressure. There is no suggested set up from OS that provides for no pressure and an open vent. The SZ PS system does, but not the C-Spec PS.

Ben Minor
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02-11-2008 01:32 AM  11 years ago
streetluger56

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New Britain, CT - USA

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what are the differences between the SZ and the C-spec to require muffler pressure?
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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › Need help to hook up fuel line with OS C-SPEC
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