There's a master's thesis waiting to be written here, really.
A few of things that can be done:
1. Creating a proper model of a khukuri, with the three dimensional shape, bend, and differential hardening of the cutting edge.
2. Playing with the tip angles, blade size, bend angle, thickness, cho shape, etc., to see how these affect the properties of the blade.
There's such a variation in khukuri shapes and sizes that someone really could have a lot of fun. If there are simple conclusions, they could even feed these back to the kamis who make those blades, so that the kamis could play with new blade shapes suggested by the model.
Best,
F
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