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JUNE 2015 ISSUE OF CMM MAILED OUT TO ALL SUBSCRIBERS FRIDAY, MAY 29...
2015 ISSUE: OUR 26th year of publication, CMM is changing, becoming bigger,
bolder, brighter, now MORE PAGES, FULL COLOUR THROUGHOUT - and the 2015 Almanac,
the 'bible' for enthusiasts is here!
Subscribe now and you can get Britain's most comprehensive events booklet - the 2015 Almanac - from only £1.50 extra*; a genuine bargain for this essential publication! For more details on this super diary - worth up to £9.95 plus p&p alone, click here. As usual, in our latest issue - in the year where we celebrate our 26th Year of Publication - we've a run down on all that's best in the classic car world! In the May issue, On Your Marques looks at how the Bedford Enthusiasts Club gave one WW2 veteran a treat, plus a world records for MG fans and more. Magpie looks at how they do things differently in the USA, and in the Spannerman column the old boy talks about Spannerman & The Counterpart. Plus, our column by former National Motor Museum Curator, Michael Ware while Peter Love gives us another Love Steam and Commercial Break. There are news snippets galore, our Letters column, and our look at the world of the autojumbling with The Secret Autjumbler, and we have loads of show previews and more. We check out the big upcoming events, with a preview of the NEC Restoration Show, we take a look at the NEC Restoration Show, the best Spring Malvern yet, Amberley's superb classic display and more. Landers Lobby discusses Road Tax Confusion, we have news of the Donington Historic and Spring Beaulieu, there are more Tales From The Lock Man another of Fordie's Favourites, and lots more. Look out for all the news and snippets; no better time than now to think about that subscription than the May issue!!
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ROAD TAX CONFUSION...
FRIEND OF MINE HAS JUST BOUGHT
himself a secondhand car. Not a classic (well, not yet; indeed, perhaps
not ever). But it was too good to miss: a low mileage, one-elderly-owner
example that has spent most of its 17-year life tucked up in a dry, warm
HAD PLENTY TO TALK ABOUT
down at the Chequered Flag – there is an election coming up after
all! To get away from such thoughts, it’s straight BACK TO BASICS.
It was last month’s mention of diesel fumes that got our minds onto the topic of the dangers of poisonous fumes produced by the internal combustion engine, and we were thinking about why we need to have an exhaust system fitted to a car’s engine. The very first reason is to take those fumes well away from the passengers.
This is obviously even more important on a convertible car. That aside, the exhaust system also carries out the dual role of acting as a silencer system. And it’s here that it becomes obvious that a conflict arises when an exhaust system designer sets about his or her task.
As each combustion chamber empties its gases after they’ve been burnt, these gases are discharged into the exhaust port in the cylinder head and onwards into the exhaust manifold. To help the efficient running of the engine, each of these exhaust gas pulses must be carried away from the engine as quickly as possible so that there is room for subsequent pulses to leave and hence always room for the incoming unburnt gases to enter the combustion chamber. The manifold must be designed so that the pulses from the different cylinders flow smoothly together. Any slowing or disruption of the exhaust pulses causes a back pressure to develop in the engine and hence the maximum power is not achieved. But exhaust noise is caused by these gases, and the faster the speed of the gases, the louder the noise. If the noise were not a consideration, an exhaust system would consist of a series of pipes, with the length of each pipe finely balanced to help the gas speed. So the job of the exhaust system is to achieve the balance between power and noise.
Three types of silencer box are generally used. The first, less common, type is the expansion chamber. This works by allowing the gases to expand into a large, empty box. As the gases expand, they slow down, and hence are quieter. But of course, not many cars have room for a large box underneath their floorpan. So the second and third type are much more common. These are the baffled silencer and the absorption silencer. The baffled silencer works by making the exhaust gases flow over and around a series of baffles or metal plates set within the silencer. The route taken by the gases is a slow one compared to its passage along a straight pipe, and therefore the noise output is reduced. The absorption silencer consists of a central perforated tube surrounded by absorption material packed into the silencer body. As the gases travel along the tube, the sound waves pass through the perforations and are absorbed into the packing. This type of silencer is often also called a “straight through” silencer. We’ll carry on looking at exhausts next month when we’ll consider why an exhaust system might fail.
But for a quick TIP FOR THE MONTH, how about looking under our cars sometime soon to see the state of our exhaust system. Good or bad? And how are the exhaust system brackets looking?
And now, for one month only, it’s SON OF MYTH OF THE MONTH! What’s brought this madness on, you might well ask? Well if you remember last month’s myth, it has been about the impending disappearance of the driving licence counterpart. The counterpart is the paper part of the licence, and it’s on this that information that is likely only to be valid for a few years is kept, including the history of current and recently expired motoring convictions. The conversation down at the Chequered Flag had been about the question of vehicle hire and how car and van hire companies would be able to check the potential hirer’s conviction history...
Read the full article in the current issue out now!
SOME LIKE IT HOT - THE SEASON GETS UNDERWAY...OH ROLL ON THE WARM WEATHER! As I write, these shows seem to get colder and colder - in fact it is nearly always colder in the hall than outside; you couldn't dream it up could you?
My first report features the Jaguar show at a chilly Stoneleigh, which took place towards the end of March. This is held in the old decrepit sheds, numbers 4 (I think) to about 10. Well, anyway, it takes place in all of the older sheds, which haven't been refurbished since Noah was about (and I am not talking about the latest Russell Crowe's film). They are old, draughty and cold, but maybe that's how the Jag boys and girls like it - they seem to come in their droves each time and spend in varying ways.
The last show in October I did exceptionally well, but the March show dates always seem to be lacking. Could it be that the cars are just emerging from their winter cocoons and need this spring time to blow out the cob-webs, having been worked on throughout the cold months of the year? I really don't know - it is always a mystery to me, however I didn't do particularly well and I couldn't find one thing to buy either, so double trouble in that respect.
I think this reflected on most stall holders and their ability to take some money - not good there at all. I did have a quick look at the cars for sale and spotted an X type 2ltr with virtually (if not all) every extra, cream leather interior, it was a 2004 plate, with 94,000 miles on the clock, immaculate condition, full service history and the price was just £1,495 - what value for money.
The owner had driven it up from Abergavenny on the Sunday morning, and then drove it back again because nobody bought it. Maybe it was sold in the week after? It was extremely cold in the sheds, the cafe did a huge trade in bacon butties and soup, but I still had to suck a peppermint to keep warm. It was so much warmer outside and when it came to pack up it was fabulous to get into the van and heat up. You will probably remember that a couple of years ago it snowed at this same event, with snow wafting in through the roof vents!
This is also the fourth or fifth time some guys from Eastern Europe had brought along some Jaguar body shells, beautifully crafted - this time it was an E-type and an XKand again I think they went back with them, or maybe, hopefully they were sold and dropped off at their new owners. The guys seem to make a superb job and are true craftsmen.
The following weekend was the second NEC Restoration Show in Birmingham, this is such a great location, with road, rail and plane access, all on hand and all used. A big crowd came over from Ireland and must have had excellent fun getting their purchases back through Customs, these guys have the gift of the gab so hopefully there weren't too many problems.
The autojumble was mainly in hall 4, and hall 5 had cars for sale and club stands. It was nice and warm in this old part of the NEC (it might be old but it is much better than where we were last November at the Classic Car Show).
My only slight criticism was that the Sporting Bears cars were located in hall 4 - these give rides, in super cars/classics, to members of the public, for a fee (going to charity); nothing wrong with that, except there were two large doors open (all of the time) for the cars to exit and re-entry, having done the circuit around the NEC. My old bones...
Some of these car owners were rather over exuberant with the "go" pedal - creating quite a bit of noise from the exhaust and tyres - there seemed to be a bit of a contest as to who could make the loudest din (and equally one who had the smallest brain!). Some of the 'jumblers over on that side of the hall were moaning about the draught, but there again some said it was OK. But as said, a good cause and all that...
The Secret Autojumbler - read the full article in the current issue out now!