Tory MPs divided over tax cuts after Miliband's 10p tax pledge

Conservative MP Graham Brady demands the abolition of Air Passenger Duty but Robert Halfon tells the New Statesman it would be the wrong move.

After Ed Miliband's audacious pledge to reintroduce the 10p tax rate, funded by a mansion tax on houses worth more than £2m, George Osborne is under even greater pressure from Conservative MPs to play a "trump card" when he delivers the Budget on 20 March. There's frustration among the Tories that the 10p tax rate, a measure championed by a Conservative MP, Robert Halfon, was taken up by Labour before Halfon's own party. If he wants to avoid a backlash, the Chancellor now has no choice but to announce significant tax cuts when he steps up to the despatch box next month. 

In an article for today's Daily Telegraph, Graham Brady (profiled by Caroline earlier this year), the chairman of the powerful 1922 Committee of backbench Tory MPs, wastes no time in setting out hs Budget wishlist. While praising the Chancellor's cuts to corporation tax (which has been reduced from 28 per cent to 23 per cent and will fall again to 21 per cent next year), he urges him to "go further". 

Brady's principal demand is for Osborne to abolish Air Passenger Duty - "the highest aviation tax in the world" - which the Chancellor increased by eight per cent in last year's Budget. He points to a study by PricewaterhouseCoopers which found that scrapping the tax would deliver an immediate economic boost of 0.5 per cent of GDP. This, Brady pointedly notes, is "not to be sneezed at in these days of anaemic growth." 

But when I spoke to Robert Halfon earlier this week (undoubtedly now the most influential backbench MP), he told me that cutting Air Passenger Duty would be the wrong move. "In times like this, flying is a luxury, it's not something you have to do" he said. "It's [reducing Air Passenger Duty] not the best way to help low-earners".

Having criticised Labour's 10p tax proposal on the grounds that it would only mean an extra £34 a year for a family (once benefit withdrawal is taken into account), Halfon is still pushing for Osborne to adopt his policy in full: a reintroduced 10p rate on earnings between £9,440 and £12,000 (Miliband's proposal would only apply to the first £1,000 of earnings over the personal allowance).

But with Osborne having unambiguously ruled out the introduction of a "mansion tax" ("this party of home ownership will have no truck with it," he said in his Conservative conference speech), the question remains how the Chancellor would pay for a 10p rate. Halfon has proposed funding the measure by  ring-fencing the extra revenue from the 45p rate (on the assumption that a lower top rate of tax will benefit growth). But with growth likely to remain anaemic or non-existent, Osborne will have little room for manoeuvre, not least because he has already promised to raise the personal allowance to £10,000 by the end of this parliament. Whether or not Tory MPs secure the tax cuts they wish to see may yet depend on whether the Chancellor, a fiscal conservative to his core, is finally willing to tolerate a higher deficit. 

George Osborne is under pressure to deliver tax cuts in the Budget after Ed Miliband pledged to reintroduce the 10p income tax rate. 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.