It will be up to each team to determine whether they want to fly or not. The 30 mph limit is consistent with normal AMA competitions and is required to retain our contest insurance coverage. We will select a site that provides a paved runway. Our team has completed our design calculations and we have found a manufacturer that carries wing components that will meet our design criteria. You may use unassembled components such as wing cores providing they are integrated in a way that results in the final configuration being an original design.
Ducted fans are also legal if they use a commercial fan assembly.
In terms of propellers. Any commercial propeller for either gas or electric models may be used. Yes, as long as they use commercially available cells. Other sources would include all of the major hobby part suppliers listed in RC magazines. This is a feature available in many production RC radio systems.