Drag Racing - The Perfect Launch

Drag racing, a contest between two cars beginning from a complete stop over a distance of a 1/4 mile (1320 feet) depends heavily on first 60 feet of the race, or the launch. The technique used for launching varies greatly depending on the how the car is equipped. The type of transmission, which wheels are being driven, tires, power, suspension and track preparation all play key roles in how to go about getting the best launch possible from the car.

Improvements on the time it takes for the car to travel the first 60 feet down the track have significant implications on the final ET (estimated time). As a general rule, improvements in the 60 foot time, are magnified by 2x on your final ET. For example, a Dodge Viper GTS that runs a 12.2 @ 120 MPH in the 1/4 mile with a 60 foot time of 2.0 can make significant improvements to it's 1/4 mile times by obtaining a better launch. If the Dodge Viper GTS is able cut .2 (two tenths) of a second off it it's 60 foot time, by covering the first 60 feet in 1.8 seconds, it's final ET for the 1/4 mile would be around 11.8 @ 119 - 121MPH. More examples can be found by searching through the thousands of 60 foot records in the http://www.dragtimes.com drag racing database.

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The best possible launch is obtained by obtaining the optimal balance of applying the most amount of power to the ground with the least amount of wheel spin. If too much power is applied during the launch and the tires spin, the resulting 60 foot time will be poor. The same goes for not applying enough power, thereby causing the car's engine to bog, and having the car limp off the line slowly.

When launching a car with an automatic transmission, a technique called power braking is used. After properly staging the car at the drag strip's staging lane, tightly hold down the brake with one foot, while slowly applying the accelerator peddle with the other foot. The car's engine RPM (revolutions per minute) should slowly increase to a point where the car will either start to move or start spinning the tires. Hold down both the brake and accelerator peddles just below the point where the car is starting to move or spinning the tires. When the christmas tree lights reach the last amber light before the green, lift off of the brake and slowly push the gas peddle all the way down. The correct RPM to launch at will be different every car depending on all of the variables mentioned earlier. Start conservative with the first launch and keep increasing the RPM at which the car is launched at during the subsequent runs. If the car starts spinning the tires after the launch, lower the launch RPM and try again.

When launching a car with a manual transmission come to a complete stop after the car is properly staged. Press the clutch in all the way with one foot while pressing the accelerator peddle down with the other foot, raising the engine RPM to a constant moderate level for the first launch. Lift up on the clutch peddle to the point where the car is just about to start moving and hold both peddles still. When the christmas tree lights reach the last amber before the green, slowly release the clutch while quickly applying the accelerator peddle enough to launch the car quickly, but not too much to induce a large amount of wheel spin. Start conservative with the first launch and keep increasing the RPM at which the car is launched at during the subsequent runs. If the car starts spinning the tires too much after the launch, lower the launch RPM and try again.

To obtain better launches and bring down 60 foot times even more, the use of drag radial or full slick tires can be used on more powerful cars that have trouble launching at any RPM on regular street tires. Drag radials and full slicks usually require a burnout to heat up the tires and clean them from debris for optimum performance. A burnout is a rapid spinning of the car's tires while the car stays relatively still.

All wheel drive cars (AWD) are typically the easiest to launch because the engine's power is distributed to 4 wheels instead of two. Rear wheel drive (RWD) cars typically launch better than front wheel drive (FWD) due to the transfer of weight to the rear tires during the launch, causing an increase in traction. If the car has aftermarket adjustable suspension, adjustments can be made specific for drag racing to increase the weight transfer to the driving wheels.

The track's launch pad preparation also plays an important role in how well and how hard cars can launch. The launch area is usually prepped with traction compounds to add to the stickiness of the track. A well prepped track will definitely help drop 60 foot times and result in lower 1/4 mile times.

During the breaks and cool down periods between drag racing runs, make detailed notes about how you launched on the back of each timeslip. These notes can help you diagnose launching issues, fine-tune subsequent launches and show improvements in the search for The Perfect Launch.

Drag Racing - The Perfect Launch

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The Perfect Mother's Day Champagne Breakfast

A Mother's Day function, which has grown in popularity over the years, is the simple, yet elegant, Mother's Day Champagne breakfast.

It can either be served, to the very important Mum, in the snug comfort of her bed or it can be a more formal affair involving the entire extended family and reputable London catering hire.

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Mother's Day in the UK

Traditionally, Mother's Day in the UK is celebrated on the fourth Sunday of lent, a day of temporary respite from the fast. Food, and lots of it, is an obvious ingredient for success on this day, dedicated, centuries ago, to our own Mums, the Mother Church and, in some cases, the Virgin Mary.

The Champagne Breakfast

The simplicity of a Champagne breakfast ensures it can be an informal affair, where the kids take over the responsibility of a sumptuous cook-up or it can be a sophisticated brunch, served at an elegantly set table, with crisp Matisse, Brocade or Shimmer linen table cloths and napkins, Georgian or Platinum Ring bone china, robust Kings Pattern, Harley or Levite sterling silver cutlery and, of course, the piece de resistance, the finest French Champagne served in Stendhal, Siena or Aquataine Crystal Champagne flutes!

Mother's Day Menu Ideas

Mother's Day menu ideas can range from delectable fresh fruit and yoghurt entrees, or smoothies, served in funky cocktail glasses to freshly baked sweet and savoury muffins, croissants or Belgian waffles, stacked up high on silver trays.

Breakfast casseroles, kept steaming hot in oval chafing dishes, or the full breakfast spread of crispy bacon, sausage, eggs done in a number of ways, fried tomato and hash browns, served directly from piping hot Bain Maries, are generally the preferred choice for Mum's first special meal of the day.

Checklist

Once you've decided on the menu and venue, it's time to get down to the nitty gritty of the logistics. The best way to cover all the bases is to compile a Mother's Day Champagne breakfast checklist:

How is the food going to be presented? China hire, cutlery hire, glassware hire, linen hire - check off each item once ordered from a reputable London catering hire company. How will you accommodate guests? Table and chair hire and, if outdoors, don't forget the sunshade, parasol or patio heater in case of a change in the weather. How will you prepare the food? Will it be on a charcoal barbecue, on gas or electric hot plates or on a griddle plate? How will you keep the food warm? Will you hire a Bain Marie, hot cupboard or a heated lamp unit?

The Perfect Mother's Day Champagne Breakfast

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G9 Light Bulbs - Perfect Lighting For Indoor and Outdoor Use

Incandescent bulbs, in layman's terms, refer to quite simple structures that give a radiant sheen and steady light. An incandescent bulb's core has two metal contacts at the bottom of the base, and this is where it gets its power. Incandescent lighting devices are designed with a wide array of voltages and sizes, ranging from 1.5 volts to about 300 volts. These devices usually do not entail any external regulating equipment and are noted to incur much lower manufacturing costs. In addition, incandescent lights such as the halogen G9 light bulbs, work well on both alternating and direct currents. These qualities help to make the incandescent lamp a popularly-used household and commercial lighting material. It also is a preferred material for portable lighting uses, whether they are utilized as car headlamps, table lamps or electric flashlights, a well as for outdoor and indoor advertising and decorative lighting.

According to lighting experts, halogen light bulbs are essentially incandescent lamps in their design and construction, and operate relatively like standard light bulbs. Though, these are quite smaller than their other incandescent relatives, they are known to offer a better lifespan, as well as produce higher and much steadier lighting outputs. A halogen light bulb is best noted for combining with tungsten, especially when the temperature of the medium is sufficiently high. Because of this trait, the generated tungsten vapor is recycled back to the filament, and not simply deposited or stored on the inner walls of the envelope.

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G9 light bulbs, according to lighting experts, are designed with a pin base that has two contact pins on the underside of the bulb. These pins are then given a G or GY designation, and the corresponding number refers to the center-to-center distance in millimeters. For instance, a 4 mm pin base will then be designated as G4, or GY4 light bulb. Among the more common G or GY light bulb dimensions include the G4 (4 mm), G6.35 (6.35 mm), G8 (8 mm), G9 (9 mm), and GY9.5 (9.5 mm). In these designations, the second letter will indicate the pin's diameter.

A G9 halogen light bulb is often utilized as a downlight or spotlight, and these have qualities which are similar to the typical 12 Volt halogen bulbs. However, the G9 operates at mains voltage, which means that these do not require a transformer to lower the voltage down, and also indicates that these can be dimmed through the use of conventional dimmers. These halogen light bulb variants are known to be efficient lighting instruments, because they deliver more lumens per watt than the standard tungsten lamps. However, it would be solely up to the user to use the appropriate wattage setting in order to attain the desired lighting levels.

Halogen G9 light bulbs are also safe to use, and do not emit considerable amounts of harmful ultraviolet radiation (UV), contrary to unverified consumer reports. While a conventional incandescent lamp generates about 75 micro watts per lumen of ultraviolet radiation, and unshielded halogen emits 100- 200 µW/lm, some manufacturers and product testing firms now require that halogen lamps and bulbs incorporate a glass shield, to help in significantly bringing down harmful UV emissions to safe and negligible levels. For outdoor use, these halogen lighting variants also offer a steady, brilliant light radius that helps to best illuminate your entire yard or driveway. The light generated by these devices is truly powerful, and it often only requires one well-placed light bulb or lamp to achieve this. For those who have a halogen light fixture outdoors, you'll notice that when the bulb starts to fade out, the difference would surely be like night and day. These lighting variants make for dependable home security devices, and serve to liven up the back or front yard with steady yet gentle lighting.

G9 Light Bulbs - Perfect Lighting For Indoor and Outdoor Use

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