Hello. Here is some info to help build a big Nike. I x-rayed one.
The wood is soft, light, reddish and quick growing (big growth rings), probably red cedar.
The weight is only in the tail. It is roughly 7/16 x 13/16 long. It appears to actually be a lead strip wrapped around a narrower lead plug. There is no belly weight.
The plug is not, in fact, through wired. The wire extends in from each end as far as the nearest screw eye which, in turn, passes through a loop in the end of the wire to anchor it. Clever.
The angle of the diving plane appears to be 35 degrees. The plane is 2 1/4 inches long and 1 inch wide. The protrusion on the front of the plug is obviously also 1" dia and projects forward about 1 1/8 inch.
The plug is 7 1/2 " long. It is 1 3/4 ' wide at it's widest, about 3 " from the nose. The last 1 1/4' of the plug is a straight barrell, 3/4 " in diameter.
The tail hook is 2 1/4 from the rear, the front hook is 2 1/2 " from the nose and there is 2 5/8" between them.
I have a smaller Nike, 5 1/4" long that does not seem to be weighted (I haven't xrayed it) but carries large 3/0 or 4/0 hooks instead.
I haven't seen these plugs in the water. If you are interested in a very productive lipless swimmer, I suggest copying the Magna Strike Predator (an out of production plastic plug) I have made several that work well and the dimensions do not seem critical.
Good luck.
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