IN is called at >40 ^90 from centre window. The distance between each 90° turn is equal. The last cut should be at ^2 (wingtip) and travel a distance of about 50% before OUT is called.
IN is called at >40 ^90 from centre window. The distance between each 90° turn is equal. The last cut should be at ^2 (wingtip) and travel a distance of about 50% before OUT is called.