i call them rotors on helicopters. i stand corrected call them disks even though a well known company calles them rotors (i am not going to mention names). any way i usually call them disks. for once i didnt and this started.
yes mate..we were only joking..
Now..lets get back in my Landy and listen to something on my compact rota player..oh - hang on my Tax Rota needs renewing.