ORIGINAL: jb86
according to the horizon hobby website, the shaft size is 7mmx1mm. i would use a spinner either 2 1/4" or 2 1/2". the great planes aluminum back plate is a good choice.
go to horizon's website to ge the spec's on any satio.
jon
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Thanks for the reply. Horizon does have the info I need. However the Great Planes spinner does not have a 7mm adapter.
http://www2.towerhobbies.com/cgi-bin...&I=LXK232&P=ML