Wednesday, October 7, 2026
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Twenty-One Experiments Walked A Statue. The Longest Went One Hundred Metres.

The walking works; this desk accepts it. But only two of the twenty-one trials ran on Rapa Nui, none on an original road surface, and one stopped when the hau hau rope parted.

Analysis is written by news reporters and interprets facts they have verified. It is not opinion, and it takes no position on what should be done.

A coil of hau hau bast seen from above, laid by hand at the diameter the head lines would need. Engraved for They Buried

That is the longest any moai replica has been moved, by any method, in any experiment, since the first one was tried in 1955. Seventy-one years, twenty-one published trials, and the record still stands at the length of a running track.

The roads out of the quarry at Rano Raraku run to eighteen kilometres.

Figure The roads, and the only two trials ever held on the island
Rano Raraku, the quarryEvery road starts here. 397 statues never left it.Ahu Akivi road, west18.0 km. One stretch holds 10.4% for 900 m.Ahu Te Pito KuraParo, about 82 tonnes. The heaviest ever placed.Ahu Tongariki1.0 km from the quarry. Fifteen statues.1986 trialLevered upright, 20 crew. 45 m, level ground.2012 trialThree ropes, 18 crew. 100 m in 40 minutes, then the line parted.Statues lying on the roadsSixty-two of them. Downhill face-down, uphill face-up.Rapa Nui, about 24 km along its longest side. Road lines after the published survey; trial positions as given by the teams that ran them.
The two flagged points are the only transport experiments ever conducted on Rapa Nui. Between them they moved a statue 145 metres. The dashed lines are two of the roads out of the quarry: one kilometre, and eighteen. They Buried, from the twenty-one experiment records tabulated for this story

What this desk accepts

The walking works.

A moai replica stood upright, with three lines on the head and a crew rocking it, does move forward. Our correspondent has watched it and it is not a trick. The base is a curved D, the centre of mass sits low and forward, and the thing wants to pivot.

The road evidence is better still. Sixty-two statues lie abandoned along the quarry roads. The ones on downhill stretches lie face-down. The ones on uphill stretches lie face-up. That is the fall pattern of an upright object let go, and it is not what a sled leaves behind.

So the mechanism is not in dispute here. Our argument is with the tape measure.

The table

We entered every published transport experiment between 1955 and 2025 into four columns: crew size, ground surface, gradient, distance actually covered. Not distance planned. Covered.

Twenty-one experiments.

This desk has run a replication of its own — 411 logged hours on a Puma Punku H-block, filed as PX-1974 — and what it taught us is that the useful column is not what a team achieved but what stopped them. So we recorded that too, and it turned out to matter.

Two of them on Rapa Nui. The rest ran on Hawai'i, in California, in a Wiltshire quarry, in a Prague car park, and twice on a levelled sports pitch.

None on an original road surface.

Median distance moved: 55 metres. Longest by any method: 100 metres. Every trial ever run, added together: 1,178 metres.

The road network is roughly 25 kilometres.

Nine of the twenty-one stopped because the funded day ended. Three stopped because a landowner wanted the field back. One stopped because a film crew had a flight. Two stopped because the statue would not go any further.

The mass nobody quotes

Median replica mass across the twenty-one trials is 4.2 tonnes.

Median mass of the statues actually lying on the roads is about 12.5 tonnes. Paro, at Ahu Te Pito Kura, is about 82.

Three experiments used a replica over ten tonnes. None used one over fifteen. Nothing in the mass class of the median road statue has ever been walked, dragged, sledged or rolled by anybody, anywhere.

Gradient

Seventeen of the twenty-one ran on level ground. Of the four that took a slope, the steepest sustained grade was 4.1 per cent, over 30 metres.

The western road holds 10.4 per cent for 900 metres.

The rope

We asked all twenty-one teams what their lines were made of. Eleven answered.

Nine used polypropylene or nylon. One used manila. One used hau hau, the bast the island actually had, and that is the trial that stopped at 100 metres, because the rope parted.

Dr. Ilse Vantongeren worked the arithmetic for this desk. A 4.35-tonne replica rocked on three lines puts a peak of roughly 7 kilonewtons through the loaded rope at the top of each swing. Scale to a 12.5-tonne statue and the peak goes to about 20. Scale to Paro and you are asking for something near 130.

Aroha Pakarati-Lindqvist has made hau hau cordage for thirty-one years and has taken it to 22 millimetres. She says nobody living has laid it at the 40 millimetres those loads want, and nobody has pulled one to failure on a machine.

The crop

Rope is not rope. It is a crop, a retting pond, a season, and a workforce.

Prof. Sigrún Halvorsen-Atan estimates the island's pre-contact standing crop of hau hau at somewhere between 40 and 130 hectares, and asked us to print that the figure rests on pollen from four cores and could be out by a factor of three. It is printed.

Eighteen kilometres of hauling is not one set of lines. Bast abrades on basalt. It wets, stiffens, and loses strength. A working estimate of replacement — hers, offered reluctantly — is one full set of three lines every two kilometres.

Rapa Nui has been effectively treeless since about 1650.

What the desk takes from it

Everyone is arguing about the first hundred metres of an eighteen-kilometre problem.

The unreplicated part is not the statue. It is not the walking, which we accept. It is the rope, and behind the rope the fibre yield of an island that no longer grows the fibre.

Dr. Rapu-Ellinghaus has asked twice for money to grow it, ret it and break it. She has been told twice that the question is settled. Her reply below explains, better than we can, why that answer is circular.

A rope programme would cost less than one season of excavation. Nobody has run one, and until somebody does, the honest sentence is that we know how a moai moves and we do not know what it moved on.

Disclosure. Our correspondents' travel to Rapa Nui was paid by this newspaper. Aroha Pakarati-Lindqvist was paid the going rate for two metres of laid rope, which the paper keeps and will lend to anyone who wants to break it.

How Others Covered This

The same events, as reported elsewhere on the same day. We list what each outlet had that we did not, as well as what we had that they did not — including where we come off worse. Why we print this.

  1. The Meridian Telegraph
    The Statues Walked, And Now We Know How

    Ran the mechanism as solved and the island as an engineering puzzle with a tidy answer.

    Had that we did not

    The rocking motion, described accurately, and the fall pattern of the road statues, which is the strongest evidence there is.

    Left out

    Every distance. A reader finishes the piece without learning that the record stands at 100 metres.

  2. Aperture
    The Island That Ate Itself

    A long essay on deforestation as parable, with the transport question as scenery.

    Had that we did not

    The pollen record, and an interview with a rope-maker that is better than ours.

    Left out

    That the fibre question is not a metaphor in this story. It is the load-bearing member, and the essay walks past it to get to the moral.

  3. They Buriedthis newspaper
    Twenty-One Experiments Walked A Statue. The Longest Went One Hundred Metres.

    Tabulated every published transport experiment since 1955 by crew, surface, gradient and distance actually covered.

    Had that we did not

    The full table, including the four trials whose distances we had to estimate from film.

    Left out

    We spent eleven paragraphs on what the experiments have not done and two sentences on what they established, which is a real finding and ours is not a fair proportion. — V. Ashcombe-Doyle, standards editor

Right of Reply

They Buried contacted Dr. Carlota Rapu-Ellinghaus, archaeologist sent the full draft and the table on 2 July 2026; no deadline imposed. Replied 14 July 2026. Printed in full and unedited, at her length rather than ours.

You have counted metres. Metres are a fair thing to count and I will give you the number without argument: one hundred. It is in my own paper, on the first page, in bold.

What I object to is the implication that the number is a shortfall.

The trial was not an attempt to move a statue to a platform. It was a test of a mechanism, and a mechanism is tested at the scale where it can be watched, filmed, measured and stopped. We wanted to know whether an upright monolith with a D-shaped base and a forward centre of mass will pivot under a rocking load applied by three lines. It does. It did it for one hundred metres in forty minutes with eighteen people, most of whom had never done it before, and by the end they had a rhythm.

You may as well fault a wind tunnel for not crossing the Atlantic.

I will also say, because your table invites it, that your median of fifty-five metres is doing a great deal of work it should not be doing. Nine of your twenty-one experiments stopped because the funded day ended. Three stopped because the landowner wanted the field back. One stopped because a camera crew had a flight. Those are not distances. They are budgets, and averaging them produces a number about grant cycles.

Where your piece is right — and it is more useful than it is comfortable — is the rope.

I have wanted a fibre programme since 2013. Grow hau hau at scale, ret it, lay it at forty millimetres, and pull it until it breaks on a machine that prints a number. I have applied twice. I have been declined twice, and both times the stated reason was that the transport question is regarded as settled.

It is regarded as settled because of my experiment. That is a circle I did not draw and cannot get out of, and if your newspaper wants to be useful rather than merely correct, print that part.

Published unedited under our right-of-reply guarantee.

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