Module manager patch to duplicate a part and change the propellant it's engine uses +PART[<originalPartName] // the '+' operator duplicates { @name = <newPartName> // each part needs a unique name field @title = <newPartTitle> // new name for the part in game @MODULE[ModuleEngines] { !PROPELLANT[<PropellantNameToRemove>] {} // remove the existing PROPELLANT node PROPELLANT // add a new one { name = <PropellantNameToAdd
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