public static Part findCentralTank(Part p)
{
ASPConsoleStuff.printPart ("findCentralTank", p);
Part currentPart = p;
Part centralTank = null;
while (currentPart != null) {
if (ASPStaging.isFuelTank (currentPart)) {
centralTank = currentPart;
}
currentPart = currentPart.parent;
}
return centralTank;
}