Hi Mark, I think I recall that you used the IVO medium IFA prop/BN2 spinner/912ULS combo on your plane. If so, can you tell me where you positioned the front of your cowling relative to the 1" base plate of the IVOProp? The information I have from the factory is semi-contradictory, and I don't want to mess this up. Also, a diagram I have from the factory shows a third spacer/slip ring that I do not have with my IVO. Is that something that you used? Thanks for any advice! Doug
