Vtg Model Airplane Engine Gas Nitro Radio Tether 10" Prop Shnurle ported FoxVtg Model Airplane Engine Gas Nitro Radio Tether 10" Prop told its a Shnurle ported Fox I don't see any markings to indicate manufacturer or model. The piston is free but is still a bit tight, it does have some compression though, otherwise the engine is used and in untested condition and will need restoration, this is being sold as it is shown in the pictures. ***Please look at all pictures as they are part of the description! ***Please check out our