The Y's are the span locations of the various points. The Mid-Y is the half-span of the break. I.e. dist from the root of the wing to the break. The Tip-Y is the dist from the root to the tip of that wing. HTH, Jon Stone >Could some-one please enlighten my ignorant mind by telling me the meaning >of the Y variable in John Hazel's spreadsheet? I am planning on RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED]
