Below is a sampling of freehand sketches of design concepts for various aspects of Shadow I did while in process of designing and building him:
For a while I was smitten with Firdbird Trans Ams of the period. Above is an idea for reversing the direction of a Ford shaker hood scoop to resemble the way Pontiac was doing the Trans Am scoops of the time. The little spoiler at the end of the hood was something I thought might reduce smashed bug buildup in the summer-time, as well as make it easier to see in hard rains at highway speeds (less water actually hitting the glass due to wind deflection). Note the wildly ambitious (and impractical for street) fiberglass fenders.
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Like the sketch before it, the front end concept above would have required some massive fiberglass fabrication-- which is one reason I didn't go for it. The two piece air dam and a few other elements of the mix did make it in to the final design, however.
Still more fender schenanigans above. Looks nice but again, massive fiberglass work required-- and the end product would have been far too fragile for what I expected from Shadow.
More major fiberglass fender concepts above, as well as air dam ideas. The twin antennas were for a CB radio, and were one possible configuration for decent transceiving power of the era. The strange scoop atop the car was meant to portray a roof-top air conditioning unit available for recreational vehicles at the time. I considered such a unit for Shadow for a while. Why? His flat black paint scheme absorbed sunlight to turn the interior into an oven in summer time. The further south I took him, the worse we both roasted in the sun (the worst was Texas). Of course, this was mainly a problem when parked for lengthy periods during the day.