Radial Engine beautiful R/C Sukhoi SU-31 with a 5 Star Motor Zylinder thats Sound !

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Family-Day 2014 MG Dübendorf
Beautiful R/C Sukhoi SU-31 with a Radial Engine 5 Star motor zylinder see the moving motor arms.!!
enjoy the Sound :) from Switzerland greetings RCHeliJet aka Tom
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