How the Labour leadership result changes under a one-member-one-vote system

Had MPs' votes been treated in the same way as party members', Ed Miliband would have won a landslide victory.

One of the likely consequences of Ed Miliband's decision to introduce a new opt-in system for donations to Labour from affiliated trade union members will be a major change to the party's leadership election system. At present the decision lies with an electoral college split three ways between the party's 272 MPs and MEPs, all party members (193,000 at the last count) and members of affiliated trade unions and socialist societies (around 2.7 million). 

But should Miliband make all trade unionists who choose to donate full members of the party (as his speech on Tuesday implied), the third of these sections would effectively cease to exist (most socialist societies already require their members to be members of Labour). This would inevitably raise the question of whether the party should introduce a pure one-member-one-vote (OMOV) system, with MPs' votes no longer given greater weight than those of party members. As I noted in 2010, Labour is the only one of the three main parties which does not give the final say to individual party members. Under the electoral college system, the vote of one MP is worth the votes of 608 party members and 12,915 affiliated members and the vote of one party member is worth the votes of 21 affiliated members.

But would a one-member-one-vote system have changed the outcome in 2010? Earlier today, I reran the election using a OMOV model to discover the answer. It's not a perfect simulation; I don't have the data needed to strip out multiple votes (most MPs, for instance, had at least three votes by virtue of their membership of affiliated societies) and it's hard to know how many trade unionists would have participated under an opt-in system, but it's the best guide currently available. 

While the result does not change significantly (all the candidates finish in the same position, except Diane Abbott, who leapfrogs Andy Burnham and Ed Balls in the first round), it is notable that Ed Miliband's margin of victory increases dramatically from just 1.3 per cent to 8.8 per cent. Since David Miliband won the MPs' section by 140 votes to 122, his share is heavily reduced under a OMOV vote. He also won the party members' section by 66,814 to 55,992, but Ed's huge lead among affiliated members (119,405 to 80,266) means he pulls ahead. 

Given how often it's claimed that he wouldn't have won without the support of the "union barons" (the "block vote" was abolished by John Smith in 1993), Miliband's speech was, among other things, a subtle reminder that it was thousands of individual votes that delivered him victory. 

Here's the new result in full (you can view the actual result here). 

2010 Labour leadership election result under one-member-one-vote

Round One

1. Ed Miliband 125,649 (37.1%)

2. David Miliband 114,205 (33.8%)

3. Diane Abbott 35,259 (10.4%)

4. Ed Balls 34,489 (10.2%)

5. Andy Burnham 28,772 (8.5%)

Round Two

1. Ed Miliband 137,599 (41%)

2. David Miliband 118,575 (35.4%)

3. Ed Balls 40,992 (12.2%)

4. Andy Burnham 38,050 (11.4%)

(Since Abbott was eliminated in the first round in the actual contest, I have had to use Burnham's numbers.)

Round Three

1. Ed Miliband 149,675 (45.3%)

2. David Miliband 127,389 (38.5%)

3. Ed Balls 53,669 (16.2%)

Round Four

1. Ed Miliband 175,519 (54.4%)

2. David Miliband 147,220 (45.6%)

Ed Miliband's margin of victory increases from 1.3 per cent to 8.8 per cent under a one-member-one-vote system. 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.