Who are the Lib Dem welfare rebels?

Four Lib Dems, including Sarah Teather and Julian Huppert, voted against the bill and two abstained.

As expected, the coalition's Welfare Uprating Bill, which introduces a 1 per cent cap on benefit increases for each of the next three years, passed comfortably in the Commons last night, with MPs voting in favour of the bill by 324 to 268, a majority of 56. There was, however, a small but notable Lib Dem rebellion.

Four of the party's 57 MPs - Julian Huppert, John Leech, Sarah Teather, David Ward - voted not to give the bill a second reading, while Andrew George and Charles Kennedy formally abstained by voting in both lobbies. Of these six, three - George, Huppert and Kennedy - voted against Labour's amendment to introduce a jobs guarantee for the long-term unemployed, while the others abstained.

Three senior Lib Dems - Norman Baker, Lynne Featherstone and Chris Huhne - did not take part in the vote.

Below is a full guide to how the rebels voted and their reasons for doing so. Four of the MPs in question - Huppert, Leech, Teather and Ward - appear on Labour's new target list of 106 seats. The Conservatives intend to target 20 Lib Dem seats at the general election but haven't yet released a full list.

Andrew George (St Ives)

Abstained

Majority: 1,719

In his speech in the Commons, he said: "We do not know…what food price inflation will be in, for example, 2016. We are being asked to predict what the circumstances will be in the context of the rather arbitrary figure of 1%. I simply urge my right hon. Friend to keep an open mind, and to have a means by which we will uprate that is fair to both benefit recipients and those in work"

Julian Huppert (Cambridge)

Voted against

Majority: 6,792

Labour target 103

He tweeted last night: "I just voted against the Welfare Benefits Up-rating Bill 2nd Reading. Vulnerable people need support."

Charles Kennedy (Ross, Skye and Lochaber)

Abstained

Majority: 13,070

He tweeted last night: "I formally abstained frm voting for a 2nd reading and am looking now to work with like-minded Lib Dems to amend the bill in its later stages."

John Leech (Manchester Withington)

Voted against

Majority: 1,894

Labour target 31

In a blog entitled "Why  I will be a rebel tonight", Leech wrote:

"I find it objectionable that the Tories are ramping up the  “Skivers Vs Strives” rhetoric to justify a benefit cut to 7 million working families.

If you are one of those 7 million, you have made your choice to work. You should be encouraged by the system, whether that be through benefits or tax breaks.  That is why I strongly support rises in the tax threshold.

I accept the system should be simple, transparent and easy to understand. And it certainly isn’t now. But a cut to these working families will wipe out most of the gains these families will see through increases to their tax allowances.

And that is why I will be rebelling tonight."

Sarah Teather (Brent East)

Voted against

Majority: 1,345

Labour target 23

In her speech in the Commons, she said: "Percentages do not buy milk, bread or school uniforms—pounds and pennies buy those things, and it is in pounds and pennies that people will experience a cut.

"I do not enjoy voting against my own party, and I cannot vote for the Labour amendment, but with a very heavy heart I shall be voting against the Second Reading of the Bill. I hope that I, and any others who choose that course of action, will give the Government some cause for thought and reflection."

David Ward (Bradford East)

Voted against

Majority: 365

Labour target 10

In his speech in the Commons, he said: "I suspect, deep down, that far too many people on this side of the House believe that unemployed people are the undeserving poor, that they need to sort themselves out, and that we cannot possibly reward them with an increase. Let us remember, too, that this is not an increase. When inflation is taken into account, the measure will simply freeze the level of benefits that we have already decided will provide people with a minimum standard of living. The measure is not fair, and I will not support it."

Former Liberal Democrat leader Charles Kennedy abstained from voting on the Welfare Uprating Bill. Photograph: Getty Images.

George Eaton is 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.