Can ONLY be used on internally threaded hub engines like Zenoah- Quadra- Us Engines- Cheetah- Air Hobbies- etc. Due to the shortness of this hub- only those engines that use a Cap Screw type prop mounting device will fit.....2.4 oz. / 68.5 Grams
1-3/4" CUB HUB"YOUR CALL"
It "Looks Better" if the Hub is a little "Smaller" than the face of your Prop.
"See Sketch Below"This is very "Scale" for your Cub Project.
But it is very short and can "ONLY" be used on internally threaded engine drive hubs like Zenoah- Quadra- Us Engines- Cheetah- Air Hobbies- etc. that use a "Bolt" or Stud Mount.
Due to the shortness of this hub- only those engines that use a Cap Screw (Bolt) type prop mounting device will fit.