74.6 Prototyping

Lise's comment put a smile on my face as I finished off my first sketch. Turning around, my sister stopped her work in favor of listening to my madness for a hot minute.

"Right. As you can see, this thing will be able to redirect air by spinning really fast."

In reality, it was just a rudimentary fan I remember seeing from old cars. It was wholly incomplete, however. I feel like I was missing something that was fundamentally important to make such a design work. But hopefully, the Seigels would shore up whatever weaknesses it might have.

"And it would allow cold air to replace it..." Lise posited from her awkward position. "That wouldn't be enough, right?"