Rutan's Voyager flight was a truly REMARKABLE achievement, and I think it took just over 9 days !!! Did you see the size of the cockpit for 2 people !!! Good thing they were very good friends at the time.
Is the Voyager classed as a twin, when most of the flight was done with the front engine shut down and prop feathered ?
Rutan and Yeager wrote a book, simply called VOYAGER. It's a great read.