+ /**
+ * Return a digest string of this motor. This digest should be computed from all
+ * flight-affecting data. For example for thrust curve motors the thrust curve
+ * should be digested using suitable precision. The intention is that the combination
+ * of motor type, manufacturer, designation, diameter, length and digest uniquely
+ * identify any particular motor data file.
+ *
+ * @return a string digest of this motor (0-60 chars)
+ */
+ public String getDigestString() {
+ return digest;
+ }
+
+