My friend is building a bass guitar for his brother as his final project for a physics of music class and is unsure of the specs/measurement on the dreadnaught. I made sure he realized that the neck would be much longer, but I can't quite recall how much/if the body of an acoustic bass is bigger than a regular dreadnaught acoustic since I've only played acoustic basses very sparingly.

Even though that was short, tl;dr
What are the measurements on the body of an acoustic bass

Thanks guys
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