.
The open gr12 motor are very expensive aluminium endbell gr15 magnets(that magnets are shorter and not so tall than the normal C can magnets so the moor is mutch light)
Hello I saw your post re Open gr12 is a very very expensive classe we race in Europe. You mention the use of G15 magnets, are you able to tell me more about what and why they use them in G12's Gill Andrews http://www.hobbiesplus.co.nz
