Hi all, I don't know where to post this but since it's for combat planes, so here ..

can any body tell me what size of du bro spinner for .15 engine with 8x4 prop ? also size fo .25 engine with 9x4 to 9x6 prop.
Hobby shop is 700 km away from here and the store people knows nothing. So I figure you guys can help

Thanks in advance.