Parts of Proposal: Facts

In our invention we researched about fans and big fans. We found out that fans can have 3 or 4 blades depending on the type of fan. Ceasing fans have 5-7 blades because it's a different type of fan. A jet turbine mat have even 60 blades because its also another kind of fan. Our Hover Car will have a fan that has 4 blades.