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Both the IMS Solution and the DOF rely on oil "sprayed" onto the front surface of either a plane bearing or a ball bearing respectively.
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Incorrect. The IMS Solution delivers oil through the bearing flange to both the radial and longitudinal load bearing surfaces without loss of control through "spraying". This oil is delivered to these areas where it creates hydrodynamic and hydrostatic load carrying capability. At no time does the oil supply for the IMS Solution "spray" oil within the engine.
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Note that the oil has nowhere to go except back to the pan dripping off the front surface of the associated bearing. Not ideal IMHO
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Incorrect. Just like the oil returned from the layshaft of an aircooled Porsche/ GT3/Turbo and all rod and main bearings within the engine, the spent oil simply returns to the sump without creating further windage within the engine. The design of the IMS Solution offers very little waste oil to return back to the sump, since the unit meters the oil thats used dependent upon RPM and volume. This is much different than spraying oil uncontrollably against the face of a dynamic component as you have specified.
The opposite end of the IMS, which is also a plain bearing,(very similar to the IMS Solution) from the factory returns the oil to the sump in the exact same manner as the IMS Solution. People tend not to understand that; because they either don't want to, or because they don't know how both ends of the IMS assembly is supported.
One of my biggest concerns through the development that went into the IMS Solution was combating windage and the tendency for oil to foam, especially at high RPM. Aerated oil loses film strength and won't build pressure, which leads to engine- wide issues.