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HomeRC & Power✈️Aircraft🚁HelicopterEngines Plugs Mufflers Fuel › OS 55 HZ-R with DRS (Demand Regulator System)
05-06-2013 11:18 PM  6 years ago
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Isaac F

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Panama Republic of Panama

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OS 55 HZ-R with DRS (Demand Regulator System)
Hello guys,

I was cheking this OS 55 HZ-R with DRS but I really dont undertand how the DRS (Demand Regulator System) Works. Maybe you guys can explain me and also share your experience with this engine/system

I was thinking it works similar like a YS but how do this DRS develop the presure? I dont see anything conected to the DRS and no Check valve

THX,

Isaac
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05-07-2013 07:21 AM  6 years ago
TMoore

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Cookeville, TN

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The tank is pressurized via a backplate pressure fitting and the tank pressure is maintained via a checkvalve. No different than a YS. The reg maintains fuel flow based on demand, hence the DRS.Part 107.
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