Guess what! Constructive engagement in Europe works

A new banking deal shows what can be achieved when Tory backbench wreckers aren't stealing the show.

The European Union has taken another small but significant step towards closer integration. Finance ministers have agreed to create a eurozone banking union – putting the largest banks in those countries that use the single currency directly under the supervision of the European Central Bank.

In principle, that will enable faster and more direct intervention in the event of a crisis. The deal is also supposed to limit European governments’ exposure to picking up the tab for any future bank failures.

Britain had a peculiar role in this chapter of crisis talks as a non-eurozone country that happens also to host the continent’s biggest financial centre. The UK government’s dilemma was that it needs to support the efforts of the rest of the EU in sorting out the mess in their banking system but without handing over regulatory powers that would put the City of London at a competitive disadvantage.

Some French and German politicians see the design of Europe’s post-crisis financial architecture as an opportunity to snatch London’s crown for Paris or Frankfurt. That impulse is reinforced by the view in much of continental Europe that the City is the ideological Mecca of a kind of rampant, greedy, profiteering approach to finance that caused the crisis in the first place.

To an extent, it plainly is. But the financial services industry also happens to be a vital strategic economic asset for Britain. It may not be very fashionable to admit it right now, but any UK government will see protecting the City’s status as a core part of its negotiating agenda in Europe.

On this occasion, George Osborne appears to have achieved his main goal, which was to ensure that British opinion is adequately represented in the new banking union’s decision-making process. Crudely speaking, the single currency members have accepted that decisions made by the European Banking Authority will need to be approved by a plurality of non-eurozone countries as well as a majority of eurozone ones. In other words, in theory, it won’t be possible for the single currency members to stitch up a plan that hobbles the City and then force it through against the will of non-euro members (i.e. Britain). That “double majority” protection was Osborne’s main demand going into the negotiations. He is now satisfied.

This deal sets an important precedent. Financial regulation is not the only area where Britain, as a non-eurozone country, needs to assert its interest and voting weight in European decision-making as the single currency members plough ahead with ever-closer integration. The planned Fiscal Union treaty agreed last December (from which David Cameron withdrew UK participation by waiving a symbolic veto) was the beginning of a process that redefines the EU as a political and economic project around the eurozone.

The obvious danger to Britain from that process is that the rules of the single market – the part of EU treaties that even ardent sceptics like – will be skewed by a caucus of single currency members in their select single currency meetings to the exclusion and detriment of the UK. Cameron has insisted that would be intolerable, but has yet to demonstrate how he might stop it from happening. This new banking union model with its “double majority” principle points to the kind of deal that might be struck in the future.

It is worth noting, however, that Britain was able to get this deal because other member states could be persuaded that their interests would ultimately be served by accommodating London’s request. Britain’s legitimate concerns about exclusion and the fact that the City is of strategic importance to the whole continent are points mostly well heeded in Brussels. London has never lost a major vote on a financial services point in the European Council and has never needed to wield a veto on the subject. It also helps that this issue was not ramped up by Tory MPs or the media into a point of zero-sum confrontation between heroic Albion and the wicked bureaucrats of Brussels. It just goes to show what can be achieved through constructive engagement and diplomacy.

None of these issues is going away. The main business of the current summit is to look at much broader proposals for deeper long-term eurozone integration. The overall trajectory is still towards a two-tier EU, with Britain in the outer layer. As today’s events have shown, that doesn’t have to mean second class membership. The real threat of exclusion and economic disadvantage doesn’t come from other countries harbouring conspiratorial grudges against Britain. It comes from Tory MPs and Ukip making it impossible for the Prime Minister to conduct realistic negotiations.

The Euro logo is seen in front of the European Central Bank in Frankfurt. Photograph: Getty Images.

Rafael Behr is political columnist at the Guardian and former political editor of the New Statesman

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Inside Big Ben: why the world’s most famous clock will soon lose its bong

Every now and then, even the most famous of clocks need a bit of care.

London is soon going to lose one of its most familiar sounds when the world-famous Big Ben falls silent for repairs. The “bonging” chimes that have marked the passing of time for Londoners since 1859 will fall silent for months beginning in 2017 as part of a three-year £29m conservation project.

Of course, “Big Ben” is the nickname of the Great Bell and the bell itself is not in bad shape – even though it does have a huge crack in it.

The bell weighs nearly 14 tonnes and it cracked in 1859 when it was first bonged with a hammer that was way too heavy.

The crack was never repaired. Instead the bell was rotated one eighth of a turn and a lighter (200kg) hammer was installed. The cracked bell has a characteristic sound which we have all grown to love.

Big Ben strikes. UK Parliament.

Instead, it is the Elizabeth Tower (1859) and the clock mechanism (1854), designed by Denison and Airy, that need attention.

Any building or machine needs regular maintenance – we paint our doors and windows when they need it and we repair or replace our cars quite routinely. It is convenient to choose a day when we’re out of the house to paint the doors, or when we don’t need the car to repair the brakes. But a clock just doesn’t stop – especially not a clock as iconic as the Great Clock at the Palace of Westminster.

Repairs to the tower are long overdue. There is corrosion damage to the cast iron roof and to the belfry structure which keeps the bells in place. There is water damage to the masonry and condensation problems will be addressed, too. There are plumbing and electrical works to be done for a lift to be installed in one of the ventilation shafts, toilet facilities and the fitting of low-energy lighting.

Marvel of engineering

The clock mechanism itself is remarkable. In its 162-year history it has only had one major breakdown. In 1976 the speed regulator for the chimes broke and the mechanism sped up to destruction. The resulting damage took months to repair.

The weights that drive the clock are, like the bells and hammers, unimaginably huge. The “drive train” that keeps the pendulum swinging and that turns the hands is driven by a weight of about 100kg. Two other weights that ring the bells are each over a tonne. If any of these weights falls out of control (as in the 1976 incident), they could do a lot of damage.

The pendulum suspension spring is especially critical because it holds up the huge pendulum bob which weighs 321kg. The swinging pendulum releases the “escapement” every two seconds which then turns the hands on the clock’s four faces. If you look very closely, you will see that the minute hand doesn’t move smoothly but it sits still most of the time, only moving on each tick by 1.5cm.

The pendulum swings back and forth 21,600 times a day. That’s nearly 8m times a year, bending the pendulum spring. Like any metal, it has the potential to suffer from fatigue. The pendulum needs to be lifted out of the clock so that the spring can be closely inspected.

The clock derives its remarkable accuracy in part from the temperature compensation which is built into the construction of the pendulum. This was yet another of John Harrison’s genius ideas (you probably know him from longitude fame). He came up with the solution of using metals of differing temperature expansion coefficient so that the pendulum doesn’t change in length as the temperature changes with the seasons.

In the Westminster clock, the pendulum shaft is made of concentric tubes of steel and zinc. A similar construction is described for the clock in Trinity College Cambridge and near perfect temperature compensation can be achieved. But zinc is a ductile metal and the tube deforms with time under the heavy load of the 321kg pendulum bob. This “creeping” will cause the temperature compensation to jam up and become less effective.

So stopping the clock will also be a good opportunity to dismantle the pendulum completely and to check that the zinc tube is sliding freely. This in itself is a few days' work.

What makes it tick

But the truly clever bit of this clock is the escapement. All clocks have one - it’s what makes the clock tick, quite literally. Denison developed his new gravity escapement especially for the Westminster clock. It decouples the driving force of the falling weight from the periodic force that maintains the motion of the pendulum. To this day, the best tower clocks in England use the gravity escapement leading to remarkable accuracy – better even than that of your quartz crystal wrist watch.

In Denison’s gravity escapement, the “tick” is the impact of the “legs” of the escapement colliding with hardened steel seats. Each collision causes microscopic damage which, accumulated over millions of collisions per year, causes wear and tear affecting the accuracy of the clock. It is impossible to inspect the escapement without stopping the clock. Part of the maintenance proposed during this stoppage is a thorough overhaul of the escapement and the other workings of the clock.

The Westminster clock is a remarkable icon for London and for England. For more than 150 years it has reminded us of each hour, tirelessly. That’s what I love about clocks – they seem to carry on without a fuss. But every now and then even the most famous of clocks need a bit of care. After this period of pampering, “Big Ben” ought to be set for another 100 or so years of trouble-free running.

The Conversation

Hugh Hunt is a Reader in Engineering Dynamics and Vibration at the University of Cambridge.

This article was originally published on The Conversation. Read the original article.