Don't worry Northy haven't ran them at any Regionals etc....
Only winter series meetings, Kiddie and Stotfold.
Im sure the rules on BRCA web site just say Sintered Rotor's will be allowed, but it doesn't say anything about different can etc..
From BRCA Website:
9.7 The Rotor: Shaft diameter must be 3.175mm. Only one piece, two pole bonded Neodymium or Ferrite magnetic rotors are permitted until 01.04.07. From 02.04.07, sintered Neodymium or Ferrite rotors are also allowed. Magnet minimum length 23.0 mm, maximum 27.0 mm. Magnet minimum diameter 12.0mm, maximum 15.5mm.
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