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How heavy is 71 tonnes?

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It's about as heavy as The Space Shuttle
(for Endeavour, a.k.a. OV-105, a.k.a. Orbiter Vehicle-105) (empty weight, excluding main engines)
When empty, the space shuttle Endeavour weighs 71 tonnes. The shuttle's spacious cargo bay carried the Chandra X-ray Observatory into orbit in 1999 — a payload that weighed 20 tonnes.
It's about two-thirds as heavy as a Blue Whale
In other words, 71 tonnes is 0.679 times the weight of a Blue Whale, and the weight of a Blue Whale is 1.47 times that amount.
(Balaenoptera musculus)
Blue whales weigh between 105 tonnes. The largest mammal to have ever lived, blue whales feed almost exclusively on krill — tiny invertebrates weighing about 0.000001000 tonnes each.
It's about half as heavy as The Statue of Liberty (without base)
In other words, 71 tonnes is 0.51 times the weight of The Statue of Liberty (without base), and the weight of The Statue of Liberty (without base) is 2 times that amount.
(a.k.a. Liberty Enlightening the World, a.k.a. La Liberté éclairant le monde) (total weight, including foundation)
The total weight of the Statue of Liberty — the Statue's copper and framework only, excluding the base — is roughly 140 tonnes. The statue was designed using an optical trick known as "forced perspective" to make the statue appear proportionally correct when viewed from its base and is, in actuality, disproportionately large at the top.
It's about half as heavy as a House
In other words, 71 tonnes is 0.455 times the weight of a House, and the weight of a House is 2.2 times that amount.
(149 sq. m, single-level, unfurnished)
A 149 sq. m (1,600 sq. ft), single-story, unfurnished house (without extensive masonry) of the type commonly found in America would weigh approximately 156 tonnes, based on the weight of the included materials. In contrast, a yurt — a type of dwelling structure popular among nomadic peoples of East Asia — typically weighs less than 0.460 tonnes.
It's about six-and-a-half times as heavy as an Anchor of a Cruise Ship
In other words, 71 tonnes is 6.28 times the weight of an Anchor of a Cruise Ship, and the weight of an Anchor of a Cruise Ship is 0.159 times that amount.
(for QE2 forward anchor, a.k.a. RMS Queen Elizabeth 2)
Each of the forward anchors of the RMS Queen Elizabeth 2 weighs 11.30 tonnes. The anchor of the QE2 now sits in front of the Holyrood Church in Southampton, England, United Kingdom, along a pedestrian tourist route known as "the QE2 mile."
It's about one-tenth as heavy as Christ the Redeemer (statue)
In other words, 71 tonnes is 0.112 times the weight of Christ the Redeemer (statue), and the weight of Christ the Redeemer (statue) is 8.93 times that amount.
(a.k.a. O Cristo Redentor, a.k.a. Christo redemptor) (Rio de Janeiro, Brazil)
Christ the Redeemer weighs 635 tonnes. The statue overlooks the city of Rio de Janeiro from atop the 709.9-meter (2,329 ft) granite peak in the Tijuca Forest National Park.
It's about eleven times as heavy as a Tyrannosaurus rex
In other words, 71 tonnes is 11 times the weight of a Tyrannosaurus rex, and the weight of a Tyrannosaurus rex is 0.09 times that amount.
(for FMNH PR2081, a.k.a. "Sue") (a.k.a. Tyrannosaurus, a.k.a. T-Rex) (estimated live weight)
The notable Tyrannosaurus specimen housed at the Field Museum of Natural History in Chicago, Illinois, "Sue," is estimated to have weighed about 6.4 tonnes while alive. A renowned predator in popular culture, the teeth of tyrannosaurus rex were up to 33.02 cm (13 in) long.