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The starting point is having the bottom of the hull parallel to the tabletop and the bottom of the strut flat on the table. Running the strut deeper usually makes the diving problem worse, unless there is excess cavitation running it shallow. Angling the strut down at the prop end will drive the bow down harder. Angling it up a degree or two at the prop end can help the diving, but it can make the boat unstable at speed. Try this setting with the x445 prop and see what happens.
As mentioned in a post above, how you apply throttle can make a big difference. I am not familiar with that particular hull, but some hydros are more difficult to launch than others. Since it was a kit boat the builder might have made changes to the sponsons, but likely not. Some hydros like a gradual application of power, some like full throttle, some need to be rocked with on/off applications. Some experimentation with starting techniques might help.
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As mentioned in a post above, how you apply throttle can make a big difference. I am not familiar with that particular hull, but some hydros are more difficult to launch than others. Since it was a kit boat the builder might have made changes to the sponsons, but likely not. Some hydros like a gradual application of power, some like full throttle, some need to be rocked with on/off applications. Some experimentation with starting techniques might help.
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