I guess the final sentence is missing a "volume of", i.e. it should be something like "As a result, *the volume of air entering the Windcatcher [...]", right? I

I guess the final sentence is missing a "volume of", i.e. it should be something like "As a result, *the volume of air entering the Windcatcher [...]", right? I double-checked and this error is on the Kickstarter page, it's not your quote. Just mentioning it in case the project owners drop by. Cool project, by the way!