(guvae * pe * r) / 180
guvae enn teges, r eu radiuss ol planet.
Gu ethu, radiuss ol planet eu 6000km (approximately per capa luh arithmetic easy)
Vu 1 tega ol traversal = 6000 * pe / 180 tesh approximates per 100km
Oe cayn substitute luh numbers fohva planet radiuss.
Gruth arae navigators ol luh 20th ab 21st century gu Ethu ock per har luh 1-in-60 rerja :
Fae eyvate 1° ol heading errohva, terfa 60 miols flown luhre ser se a 1 miol tarx-lauma errohva. (1 nautical miol ~ 100km)
Oemes Aye