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Kathy's To The Lighthouse Diary

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03
Rough Scientists

Previously on Rough Science

Relive the triumphs - and disasters - of past series: Mediterranean; Carriacou; New Zealand and Death Valley.

Meet the team

What sort of a person would put themselves through the Rough Science challenges? Meet the scientists and find out.

Day 3

Really up against it today. We’d hoped to leave by noon to get to Bawe in time to beach the boat on the sand so we could winch up the heaviest items.

We completely missed low tide. So ‘beaching the boat’ was not an option. Instead - we had to land on the opposite side of the island and schlep everything across in the heat.

Hard work - but ok.

Had spent the morning desperately trying to “marry” JJ’s lighthouse with my falling rocks. We’d been far from optimistic about how well the rock would be able to make the pulleys turn.

Our ratios were way out. Tiny, tiny cogs, meant to be driving enormous (quite heavy) wheels. Guess I should have been able to work it out beforehand … but when you’re up against it - it’s hard to think clearly.

Finally - we had to leave before it was really working. We hoped it might work if we used more rocks (more weight), and if we made the first ‘cog’ a bit bigger, using some plastic tubing.

Ellen’s candles were gorgeous. JJ’s lighthouse was beautiful. I found myself wishing it were just a bit smaller and lighter and easier to rotate. But his ‘golf ball’  ballbearings were pretty impressive. I couldn’t really have hoped for a smoother system to rotate.

We set it all up - at the cliff-edge. All a bit insane - 5 of us at a steep, jagged cliff-edge (the coral was brutally sharp), balancing a daft mechanism, which is holding huge rocks and a bucketful of water, with everything (including us) straining like mad.

It hadn’t worked yet. Why should it work here when it hadn’t worked before? We put in more water, and tied on more rocks. I tried to stop the axle from bending too much …

Huge tension when I released the rocks … but it worked! It bloody worked! The rocks fell slowly - the lighthouse rotated - and we all whooped with delight … until the rope slipped - and it all went crashing into the sea.

Enough! (“Bas!” in Swahili) - Kate declared it a success (albeit - a brief one) - and Mike, Ellen and Kate headed off to see if they could see the lighthouse from the boat.

A huge part of me wanted to keep on playing with rocks and ropes and seeing if we could get it to work, shall we say, more sustainably.

But if we messed up, we might trash the lighthouse itself. I swallowed my pride and we resorted to the trusty power-tool. How I love them! We’d known we could use it from the start - but it felt too easy.

They could see us. Or rather - our light. Completely delighted. They didn’t seem to notice how it kept turning round - with NO hands.

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