Camera drones are good for maybe 25mph. Racing drones are good for 120mph.
I suggest a camera on a tripod at the center of a 100ft circle. That way you can characterize cross-wind flows.
NeilBlanchard: I've watched the adventure over the years and wondered about starting over. That's a lot of work to just melt into a puddle, but you've learned a lot and I support your eventual decision.
I've thought about an Inrekor style chassis, but made with swing-door material.
http://ecomodder.com/forum/showthread.php/so-why-do-you-think-there-no-cheap-32312-5.html#post487108
PlyMetal™ Swing Door - PLYWOOD CORE WITH INTERIOR AND EXTERIOR ALUMINUM LAMINATES