RE: Rudder offset or not?
The CL designers of the 1940's weren't engineers. Most were adolescents at the time. Offset merely SEEMED useful. It never was, however. Somehow, this fallacious idea became so popular that following designers who were engineers included it because it was expected. Even after it was thoroughly debunked by Will Bill Netzeband and others, some modellers refused to believe the logic. Some continue to do so.
Rudder Offset is worthless. Look at the tens of thousands of model flying wings built after 1961 without any rudders at all. No addition line tension problems for those. None. Believe it.
K.
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[8D]