lol i typed this up and got booted, always a dollar short and day late but seems alot of my opinions are close so Im not a total tard
1. yes 60+ geared right, 6s will rip and is the MMM max., No, yeah
2. 25-35min depending on driving
3. All great motors but more 5s lipo motors IMO, id go with a slightly lower KV motor for 6s, since you have a muggy you will most likely be using 1 lipo brick ? you want the rpm to not be over 60k max and more around 50k for speed + reliability, multiply the volts x kv = rpm
4. more than
5. use the calculator to see the speed you want
http://www.scriptasylum.com/rc_speed/_top_speed.html
5. maxamps.com has them for pretty good prices, but easily found by typing hyperion into a search engine or checking airplane/heli sites
I figured id throw in my 2 cents these are my opinions, this place is full of dudes who totally know what they're doing so I figured I'd start and they can tell me what a cretin I am