Complex sentence: The original Mark III can be made ready to fly from trailering in eight minutes by one person without the use of tools, while the newer M3X variant is rated at 15 minutes to assemble for flight.
Split into simpler sentences: The original Mark III can be made ready to fly from trailering in eight minutes by one person without the use of tools. The newer M3X variant is rated at 15 minutes to assemble for flight.