Individual blades weigh in at 43 tonnes - the equivalent of seven Routemaster buses.
BBC: Wind farm turbine transportation is 'biggest' ever load
The revived Routemaster design adds a second staircase to speed up passenger movement.
The design is similar to the classic Routemaster bus which was withdrawn in 2005.
The new Routemaster bus for London has had its launch delayed for a week due to a paperwork delay.
But in 2005, authorities took that Routemaster model out of service, replacing it with versions that only have an entrance at the front.
One of his first, and most unpopular, acts was to scrap the much-loved but decrepit fleet of Routemaster double-decker buses, dating from the 1950s.
Among Johnson's pledges was to scrap the accordion-like bendy buses and replace them with a British-built Routemaster, which appeared on the streets this year.
Not only are the Routemaster's curvy lines more beautiful, they argue, but their layout requires a conductor to sell tickets a social benefit, they claim.
ECONOMIST: Why mourn creaky old buses when you can welcome new ones
They are everything the Routemaster is not modern, boring and (horrors) German.
ECONOMIST: London buses: Driving gently into that good night | The
Journalists have written hundreds of wistful articles about the British-built Routemaster.
ECONOMIST: London buses: Driving gently into that good night | The
The final Routemaster retired from commercial service on December 9th.
ECONOMIST: London buses: Driving gently into that good night | The
Admittedly, London's dwindling fleet of old-fashioned double-decker red Routemaster buses, like the black taxis and old red telephone boxes, are a distinctive and attractive feature of the city's landscape.
ECONOMIST: Why mourn creaky old buses when you can welcome new ones
The Routemaster will not disappear entirely from London's streets.
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