[Spikehaus]

Offset mushrooms are building an unstable pivot into the geometry. A grub screw may help any correct any movement for the IVA. I am yet to here of any calculations to backup this geometry. I have run this item past all the local precision engineers and yet to receive any feedback to the contrary.

I challenge some geometry based calculations or drawings to prove this? Ally is acceptable, but I recommend that that the stem is extended to fill the hub counter bore.