60ft long, 68ft long, 70ft long …………… size really isn’t important.
The Magellan-Elcano voyage (1519-1521) was the first world circumnavigation (Magellan did not complete the circumnavigation and was killed in April 1521) and the ‘flagship’ Victoria was approximately………………… 69 ft long.

Francis Drake’s flagship for the 1577-1580 circumnavigation, the Golden Hind (originally called Pelican but renamed mid voyage in 1578) was …………. 102 ft long.

in 1967 Francis Chichester became the first person to sail single handed around the world (one stop) in a circumnavigation that took 9 months and 1 day. His yacht, Gypsy Moth IV was ……………… 53 ft long.

In 1971 Chay Blyth completed the first westward single handed non-stop circumnavigation in his yacht British Steel. Chay Byth’s yacht was ……………. 59 ft long.
In 1989 Tracey Edwards skippered the first all female crew in the Whitbread Round The World Yacht Race, becoming the first woman to receive the Yachtsman of the Year Trophy and was awarded an MBE (she and I picked up our MBEs on the same day!) Her yacht, Maiden, was …………. 58 ft long.
In February 2005 Ellen MacArthur broke the record for the fastest solo circumnavigation of the globe – 71 days, 14 hours, 18 minutes and 33 seconds – in the trimaran B&Q/Castormania. MacArthur’s trimaran was ………….. 75 ft long.
Robin Knox-Johnson became the first person to sail single handed non-stop around the globe in 1969. His yacht, Suhaili, was ………………. 32 ft long.

On 17th May 2018 the Polish sailor Szymon Kuczynski completed a circumnavigation in 270 days, 10 hours, 29 minutes in his yacht Atlantic Puffin. Atlantic Puffin is the smallest yacht to circumnavigate the globe and is ……………………… 20 ft 10 inches long!
So size is quite definitely NOT important!
http://www.justgiving.com/team/keithsclipperadventure