2.5in Counter-rotating 3-blade spinner
Description
This Is The Counter-Rotating Version Of My 2.5In 3 Blade Spinner (Http://Www.Thingiverse.Com/Thing:44872). The Negative Offset Base Is Unchanged From The Normal Rotating Spinner. I Uploaded It Again For Convenience. It Is Designed For A 8" Or 9" X 6-7" 3 Bladed Counter Rotating Prop.
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