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28th August 2007

Investment Fosters Future Motor & Control Technology

Electric motors and motor controllers play an important role in the future of space exploration, military operations, and environmental conservation. Consequently, federal agencies continue to invest in these technologies by funding projects that improve their performance and efficiency. This work will not only shape the future of these specific application areas, but will also have significant crossover into the commercial marketplace.

Autonomous robots are expected to free astronauts of routine and repetitive tasks (e.g., simple inspections, maintenance, scouting terrain, and gathering field samples) during future space exploration missions. Today’s Earth-bound technologies play a key role in the development and enhancement of these robots. One recent example is Thibodeaux (see Figure 1), a four-wheeled autonomous mobile robot being developed at NASA’s Johnson Space Center in Houston, Texas, for use in lunar and Mars missions.

Roughly the size of an all-terrain vehicle, Thibodeaux is designed to pre-scout areas for astronaut missions, and to carry heavier payloads for construction and in situ science tasks. The robot is directed by astronaut voice commands, and can be driven remotely using wireless communications and onboard video cameras. Four onboard, sealed lead-acid batteries provide power.

Currently reaching speeds of only 3 miles per hour (mph), one 1.8-kW electric motor (the patented 2x motor from WaveCrest Laboratories of Dulles, Virginia) is being outfitted into each wheel to enable speeds up to 30 mph. Originally designed for electric scooters, cargo scooters, and motorcycles with top speeds up to 37 mph, each motor will be current limited to produce 180 Newton-meters (Nm) of peak torque for the NASA project.

The permanent magnet, DC brushless motor (see Figure 2) has an inverted architecture - meaning the rotor surrounds and rotates around the center-mounted stator. The stator consists of a series of independently controlled electromagnets driven by a proprietary power electronics module. Conventional steel laminations are used as the stator core material. The rotor has rare earth-based permanent magnets and housings that are arranged in a proprietary design. Connected to the power electronics, a digital signal processor activates the electromagnets by analyzing motor position, desired torque, and the electrical characteristics of the energy management system powering the motor. Patented adaptive algorithms adjust the current and excitation sequence of each electrical phase.

“One of the key things about our technology is the patented software used in the integrated motor and control. It allows the motor to reconfigure itself within nanoseconds,” said Tim Hassett, vice president and general manger of motors and operations for WaveCrest Laboratories. “The software senses load such that it reconfigures the motor and allows it to run at an optimal performance while properly dissipating heat.” Integrating the motor and control also eliminates electric and magnetic field (EMF) issues and shortens cable lengths to reduce line chatter.

Additional customization is necessary for the NASA project mainly because Thibodeaux will be an all-wheel drive robot requiring communication among four-wheels, whereas the scooter only had a single wheel on the back drive. While specifics cannot be provided due to the nature of the work, software will be altered so that it works with the robot’s existing vehicle control and some of the components on the power board will be changed to better suit the application. According to Hassett, alterations to the housing or anything mechanical will not be necessary.

Military Operations

The U.S. military invests heavily in the development of technology aimed at reducing the number of causalities on the battlefield. Consequently, unmanned ground, air, and underwater vehicles receive ample attention and funding. In 2004, for instance, the Defense Advanced Research Projects Agency (DARPA) kicked-off its annual Grand Challenge in response to a Congressional and U.S. Department of Defense (DoD) mandate. The Grand Challenge aims to accelerate the research and development of autonomous ground vehicles (AGVs). More discrete projects have been taking place all over the country with assistance from programs like the DARPA Small Business Innovation Research (SBIR) program for years.

Under a DARPA contract ThinGap Corporation of Ventura, California, has developed an 8.3-inch diameter brushless ring motor (the TG8250 motor) based on their patented electromotive coil design that replaces an iron core and wire windings with a free-standing, precision-machined copper sheet coil, see Figure 3. A version of this motor powers a ducted fan that has already successfully lifted an unmanned air vehicle (UAV) in initial tests. The unique feature of this lightweight thin ring motor (7.5” ID) is that the propeller is mounted inside of it.

Based on a Phase II SBIR contract granted by DARPA in October 2004, the company will be taking the technology a step further, adapting it into a larger, 14-inch model (see Figure 4) for use as a potential electric-drive in a six-wheel, unmanned ground vehicle (UGV). The UGV could be used for a variety of missions, including hauling equipment, detecting land mines, and land assault. Application requirements include high torque at start up - 1,200 ft-lbs at 28 rpm for 500 seconds (8.33 minutes) and high speed at 260 rpm with efficient heat dissipation. The application requires 6.5 hp constant power output throughout the power curve.

According to Greg Graham, ThinGap’s vice president and chief technology officer, a key difference between the original motor and the UGV motor will be the capability to integrate a gearbox inside the ring motor, resulting in a very thin and lean assembly. “Gearboxes help electric motors perform in vehicles. It traditionally requires a lot more motor, if you will, when you have to direct drive,” said Graham. “Here we can have the entire motor assembly built into this one plane with a large, 12-inch through hole for all of the drive mechanics such as gear reduction, ball bearings, brakes, and everything else. Conventional motors usually have too much material within the motor to do this.”

Graham also noted that the unique freestanding coil allows the magnet assembly to be more efficient: Eliminating laminations gets rid of the iron losses typical of conventional brushless motors. The only remaining parasitic losses are the eddy current losses (AC losses), which are minimized by the coil design. An optimal thermal path dissipates the remaining I^sup 2^R heat more efficiently, allowing the motor to perform at high power output levels.

Conservation

Growing concerns regarding the price of fossil fuels and the environmental impact of using them to generate power have prompted many motor and control manufacturers to look at new ways of gaining efficiency. “If you can enhance performance and get more power out of the motor without added cost, it will have a big impact,” said Dr. George Rolling, chief engineer at Raser Technologies in Provo, Utah, a motor and controller technology licensing company. “If you can improve energy consumption of motors by just a few percent, the overall savings to the economy and total energy consumption are tremendous numbers.”

More stringent performance requirements have prompted a continuous trend toward variable speed drive, intensifying the relationship between controller and motor. “Our Symetron(TM) technology changes how you design and control the motor, so both the motor and controller are improved,” said David West, Raser Technologies’ vice president of marketing. (Symetron collectively refers to patent-pending pieces of technology that are selectively applied based on the motor or controller type.) According to West, the technology’s other advantage in the marketplace is that it can be manufactured in existing facilities with existing technologies.

With an Energy Conversion Science grant from the State Technologies Advancement Collaborative (STAC) of the U.S. Department of Energy (DOE), the company is now mid-way through a project aimed at creating a universal motor controller. The company expects to meet the specifications while achieving the targeted efficiency improvement of 2 percent. “The FLEXMOD(TM) controller applies our Symetron technology and packages it into a universal controller that can drive a lot of different motors. That’s the key to creating economy of scale,” explained West. “We are hoping that the availability of a universal, high-efficiency controller will let prices come down so that a lot more applications will be controller driven.”

Targeting electric-powered transportation vehicles (e.g., electric buses, industrial trucks, and hybrid electric vehicles) for the DOE project, additional applications range from industrial pumps and motors to washing machines and air conditioners.

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28th August 2007

Sky high: two-wheel tunes

GUYS WHO PREFER TWO WHEELS TO FOUR can finally bid farewell to radio envy. Now bikers can hit the road with more than 100 channels of entertainment, thanks to a new satellite radio mount made specifically for motorcycles, scooters and quads. Designed and distributed by Kuryakyn USA, the device allows riders to tune in to Sirius Satellite Radio via an XACT Streamjockey Plug + Play receiver.

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28th August 2007

Marketing Cable to College Students 101

Comcast and Sunflower have done their homework when it comes to marketing cable to college students.

By Mavis Scanlon

The weeks between mid-August and mid-September, when droves of media- hungry and tech-savvy students flood college campuses, can be an acquisition bonanza for cable operators. Yet Cablevision, Cox and Time Warner Cable say their corporate marketing departments aren’t planning noteworthy campaigns. Adelphia isn’t either; instead it will update last year’s cross-channel spots. For competitive reasons, Insight wanted to keep an element of surprise about its back-to-school campaign and declined to discuss details. On the other hand, some MSOs are using clever strategies to target students. Here’s a sample:

Comcast isn’t waiting for students to descend on 3 Tallahassee schools. The system’s e-commerce analyst, Jerilyn Beckley, designed a website where students can sign up for cable before they even alight on campus. Comcast sent the URL to registered students via some 12,000 direct mail pieces. “The objective was to make it really easy for students,” says Comcast general manager K.C. McWilliams. Three teams of “foot soldiers” are helping to spread the word as well.

These focus-group-approved Buzz Squads are dispatched to the bookstores and bars around and on the campuses of Florida A&M, Florida State and Tallahassee Community College, to hand out posters and premiums while wearing eye-catching T-shirts–this year’s tag line is “Un-Freakin-Believable!”. In some dorms cable is activated just before students arrive. After several weeks, it will be turned off if students don’t call to confirm they want the service, but not before one last sweep by a door-to-door sales team.

Comcast Boston

Students in area: 250,000

Comcast dubs mid-August through mid-September “Fall Rush.” The system shies away from advertising on mainstream media, instead relying on local alternative papers, radio and street teams who literally roll around greater Boston on Segway scooters, marketing operations manager Corey Penn says. The system also hired a plane to fly over Boston’s tony Back Bay area with a banner that says “Need Cable? Call Comcast.”

Sponsored events are also popular, such as the “extreme dodgeball” game that Comcast and GSN hosted last year. Since connection activity during Fall Rush is five times that of any other month, there’s a focus on operational execution. At Northeastern, Babson and Bentley, teams of salespeople and techs camp out for a few days, enabling students to sign up for service and have a tech accompany them back to their rooms for immediate installs.

Sunflower Broadband spends far less than deep-pocketed Comcast, but its back-to-school marketing is buzz-worthy. Its double-entendre T-shirts have become somewhat of a cult hit; “Get It When You Want It” is the message on this year’s VOD-focused T’s. In previous years the messages were “Get It Three Ways,” promoting digital phone, and “Get Hooked Up,” promoting video service. The T- shirts are a hot item, but the system’s mascot, Broadband Man, has become a mini-celebrity. In addition to spreading the word about high-speed data, Broadband Man gets requests for appearances, such as reading to kids at summer programs.

The system always puts an ad and a coupon in the last issue of the year of the University of Kansas’ popular school paper. Marketing manager Stephanie McCoil is impressed with the number of students who clip the coupons and bring them back in the fall. The coupons reappear at the start of the school year. This year’s coupon hypes Sunflower’s phone service, but other coupons promote an introductory 50% off its most popular package, which includes broadband basic, high-speed data service and phone, plus one free month of HBO and Cinemax. For students who don’t see the coupons, Sunflower blankets the dorms with direct sales reps who set up tables so students can sign up for services.

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28th August 2007

READERS WHO RACE

For some, working on cars for a living during the day just isn’t enough. To maintain their hydrocarbon high, these readers retire to the race shop in the evenings and hit the track on weekends.

Several months ago, we began asking our readers to tell us about their racing experiences. We’ve all followed the exploits of high-profile1 drivers in NASCAR, NHRA, Indy Car and other professional racing series. We thought it would be interesting to find out what some “regular folks” were doing at the1 tracks, and to learn more about their interests and successes. These folks are MOTOR readers, just like you. And like you, most earn a living during the day diagnosing and repairing vehicle’s for their customers.

Much of what follows is presented in quoted passages. That’s because we wanted to preserve what was stud, and the way it wtis stud, by the volunteers in this experiment-in their own words.

Ryon Joe Smithberger

Rytin Joe Smithberger is the owner of Smitty’s Automotive in Santa Fe. He has been racing since 1985 and owns three race cars.

My dad was a drag nicer Unfortunately, he died when I was only a year old. His dream was to own a garage and race cars. I always wanted to race, no when I was old enough and had a few bucks, I started racing and never quit. Then I opened my own auto shop. I quess it’s in my blood.

I now have three race cars, and last year I also started driving for Bill and Sherry York, owners of York’s Equpment. I met Bill and Sherry in 1989 and we became great friends. Among the great benefits to racing are the people yon meet and the friends yon make. Bill and Sherry never had kids of their own, awl today Bill and I are like father and son. It’s like racing with the Dad I never knew.

The Yorks own a 1989 Super Comp Ford Thunderbird with a 540-cubic-inch big-block Chevy. The car has a full chrome moly chassis with a four-link suspension. We have run a best of 8.85 seconds at 150 mph.

We finished third in points in the South West Drag Racing Association (SWDBA) and third in track points at Albuquerque National Dragway in 2005.

About five years ago the track closed for a cpouple of years, so we built a street stock dirt car to fill in the time. We finished second in points in 2004 and we icon five out of seven races in 2005. We had one second-place finish and our first DNF in 500-plns laps when we had a flat tire with three laps to go.

I race became I love the competition and because it’s a great way to make great friends.

Randy Rundle

For most, racing is a liohhy-something that can be supported only by a regular job and pursued during personal time. For a lucky few, racing is that job.

Randy Rundle is owner and founder of Fifth Avenue Antique Auto Parts in Clay Center, KS (www.fifthaceintemet garage.com). Randy started buying 1948-55 Chevrolet trucks back in the early 1970s to restore and resell, while he was still in junior high school. He always had a “driver” and one in the works. Soon after, he got into selling parts, because he learned there were lots of other people wanting to fix up their old Chew pickups.

One of th things I always had trouble with on those old trucks was the charging system. The 6-volt battery was always dead and the headlights were always a yellowish color. Starting was always a problem as well, so I always learned to park on a hill so I could coast clown and “dump the clutch” to get going.

It was because of this hands-on experience that I decided I was going to fix the 6-volt charging system once and for all. I decided in my simple logic that I would, apply modern charging technology in reverse and build a 6-volt alternator.

By the spring of 1987 I had a reliable working prototype. The key word here is reliable, with the output I wanted. I tested the new 6-volt alternator for six months on my 1951 Cheuy ½-ton pickup and it worked great! So I built about a dozen more and installed thein locally on antique vehicles with good success.

In 1989 I found out about the Great Race-a rally-type race where pre-1945 cars are driven 4500 miles across the United States during a two-week period. I looked for a high-profile car entered in the race that was likely to have charging problems and I got more than I bargained for in a 1936 Cord. The Cord, owned by Bud Melby of Seattle, had an electric shift transmission that was shifted via electric solenoids that were controlled by levers on the steering column. In addition, there was an electric overdrive, along with two electric fuel pumps and an electric radiator cooling fan, all 6volt. It didn’t take long to see why the original 40-amp Cord charging system could not keep up.

It took quite a sales job on my part to convince Bud that I could fix his car. I offered to give him the alternator for free in exchange for an advertising endorsement if it worked. The Cord shifted better than it ever had before, and the original batterry stayed in the car for the entire race. Bud finished in tlie top ten that year.

Parked next to Bud in the pits that year was Howard Sharp, who was driving a 1929 Dodge Sport Roadster-one of only 1200 made that year….The folloiving year I put an alternator on the 1929 Dodge. For the next two years the Sharp Racing team got closer and closer to winning the Great Race. Now that their battery and starting problems were over, they could concentrate on the navigation part of the race. Finally, in 1993 they won first place-$30,000 in prize money and a neio Buick Roadmaster. I had finally estabUslted a track record for the alternator.

I still help prepare about a dozen cars for the Great Race each year and I continue to sponsor Howard Shar}),just as I have evenly ear since 1989. Howard now dnves a 1911 Velie in the Great Race. Most years it’s the oldest car entered. There is also a lot of satisfaction in seeing a car that you prepared, especially one as old as the Velie, being driven across the U. S. every year without a breakdown.

The Great Race has been a good experience for me. It’s a way to find out what you know versus what you think you know. It also teaches you to pay attention to the details. Ignoring the smallest details can endup costing you the most money.

Dennis Flaherty

Dennis Flaherty is a sales representative for ALLDATA in Huntington Beach, CA. He started racing in the ’60s with a supercharged ‘56 Ford. Business and family responsibilities kept him away from racing until a few years ago, when he returned to road course racing with his three sons.

Brady Flaherty drives a ‘93 Camaro Phil Hausman helps out with parts and Dennis’ third son, Sean, handles the video, video editing and production.

The Flaherty clan has raced at several famous west coast road courses, including Fontana Raceway, Willow Springs Raceway, Buttonwillow Raceway, Bakersfield, Infineon Raceway, Thunderhill Raceway and Las Vegas Motor Speedway.

After 35 years of marriage, I think it’s great that my wife has to go to a racetrack to see her boys. After we got married, I sold my Shelby GT500 ($2400) for a station wagon. That’s what I drove until the boys got their driver’s licenses.

The racing only came after Ryan and Brady had graduated from college. Our youngest son Sean is in his junior year, majoring in engineering at Santa Clara. The participation-working together and independently, then coming together as a team once a month-is very rewarding. Winning is just icing on the cake. The people we race with are as great a group as you could ever hope to find. There is nothing like a National Auto Sport Association (NASA) event.

Michael Lindquist

Michael Lindquist is president of Wilton Service Center, Inc., in Wilton, CT. Its a three-bay full-service repair facility, with Getty gasoline service. He has been an automotive technician since 1984 and claims to have loved racing for as long as he can remember.

My dad was always on a pit crew way back in the late ’60s and 70s at tlie Danhunj Racarena, in Danbunj, CT. I got my first taste when I was in 6th or 7th grade racing go-karts until I was in 10th grade.

We have a late-model stock car that we race at Thompson Speedway in Thompson, CT. It has a tube chassis with a fiberglass/aluminum/plastic Monte Carlo body. We run a two-barrel carb with 10:1 compression, headers, stock clutch and a solid cam. It’s making a little over 400 hp, I think.

, and was the 2005 NASA Camaro Mustang Challenge (CMC) Western Champion. He also broke the lap record by three seconds at Fontana Raceway last season. In 2004, Brady was the runner-up in CMC and won Rookie of the Year honors that year. Dad and Crew Chief Dennis Flaherty also won a McGyver Award in recognition of his wrenching expertise in 2004. Another son, Ryan, drives the Maximum Motorsports ‘89 Mustang,and is a prior winner in the American Iron racing series.

I still help prepare about a dozen cars for the Great Race each year and I continue to sponsor Howard Shar}),just as I have evenly ear since 1989. Howard now dnves a 1911 Velie in the Great Race. Most years it’s the oldest car entered. There is also a lot of satisfaction in seeing a car that you prepared, especially one as old as the Velie, being driven across the U. S. every year without a breakdown.

The Great Race has been a good experience for me. It’s a way to find out what you know versus what you think you know. It also teaches you to pay attention to the details. Ignoring the smallest details can endup costing you the most money.

Dennis Flaherty

Dennis Flaherty is a sales representative for ALLDATA in Huntington Beach, CA. He started racing in the ’60s with a supercharged ‘56 Ford. Business and family responsibilities kept him away from racing until a few years ago, when he returned to road course racing with his three sons.

Brady Flaherty drives a ‘93 Camaro (No. 70), and was the 2005 NASA Camaro Mustang Challenge (CMC) Western Champion. He also broke the lap record by three seconds at Fontana Raceway last season. In 2004, Brady was the runner-up in CMC and won Rookie of the Year honors that year. Dad and Crew Chief Dennis Flaherty also won a McGyver Award in recognition of his wrenching expertise in 2004. Another son, Ryan, drives the Maximum Motorsports ‘89 Mustang (No. 17), and is a prior winner in the American Iron racing series.

Phil Hausman helps out with parts and Dennis’ third son, Sean, handles the video, video editing and production.

The Flaherty clan has raced at several famous west coast road courses, including Fontana Raceway, Willow Springs Raceway, Buttonwillow Raceway, Bakersfield, Infineon Raceway, Thunderhill Raceway and Las Vegas Motor Speedway.

After 35 years of marriage, I think it’s great that my wife has to go to a racetrack to see her boys. After we got married, I sold my Shelby GT500 ($2400) for a station wagon. That’s what I drove until the boys got their driver’s licenses.

The racing only came after Ryan and Brady had graduated from college. Our youngest son Sean is in his junior year, majoring in engineering at Santa Clara. The participation-working together and independently, then coming together as a team once a month-is very rewarding. Winning is just icing on the cake. The people we race with are as great a group as you could ever hope to find. There is nothing like a National Auto Sport Association (NASA) event.

Michael Lindquist

Michael Lindquist is president of Wilton Service Center, Inc., in Wilton, CT. Its a three-bay full-service repair facility, with Getty gasoline service. He has been an automotive technician since 1984 and claims to have loved racing for as long as he can remember.

My dad was always on a pit crew way back in the late ’60s and 70s at tlie Danhunj Racarena, in Danbunj, CT. I got my first taste when I was in 6th or 7th grade racing go-karts until I was in 10th grade.

We have a late-model stock car that we race at Thompson Speedway in Thompson, CT. It has a tube chassis with a fiberglass/aluminum/plastic Monte Carlo body. We run a two-barrel carb with 10:1 compression, headers, stock clutch and a solid cam. It’s making a little over 400 hp, I think.

It’s difficult to go racing without help. Most of the readers we spoke with mentioned friends or family who help them follow their racing dreams. Mike is no different.

Bob Mattera is my main everything man. He is at it every minute ivith me, and without him I would not be doing this right now. It’s great knowing you have someone who is easy to work with, who will show up to work around my crazy hectic life and is into racing. Bobby is just happy making it to the end of a race, with no great expectations other than having a beer afterwards, telling some war stories and having some great laughs. Bobby makes it fun for me.

Mike Christianson is my secondary main man. He’s always around when we “get behind” (which is most of the time) and will do whatever needs to be done.

Pat Kretschman is the ultimate spotter. He also is great at setting up the car and coaching nu- on driving. The only problem is that Pat is also my service manager at the Cetty station, and it’s difficult for bot h of us to leave on the same afternoon or night to go racing.

Carol Angotta is my girlfriend and the love of my life. She brings sanity to my crazy life. She never makes me feel guilty about my interest in racing and never feels neghicted when we are in “thrash” nwde (most of the time) to get the car ready for a race weekend.

Amy Bartram is the shop bookkeeper. Site also serves as our timekeeper, picks up and makes sandwiches and beer for us after the races.

My children each have their own attitudes about my involvement in racing. My daughter Marissa (14) is not. at all interested in racing. She will say tilings to me like: “So you can wreck it again? I don’t get it. ”

Christopher (9) would be in the garage and at the track more than me if he possibly could. When he was five years old he installed a “super power button” in the car for me. He gets red in the face non; when we talk about it but I still insist that the button be “installed” every time we repaint the car.

Juliauna (4) loves dirt bikes, snowmobiles and race cars! As soon as she is able, she will probably have grease under her pretty fingernails (if she wants to).

Many amateurs enter races every year and never taste victory. There’s always the hope that “next week” or “next year” will he different. For many, winning races is not the primary motivation. Some savor the competition, others enjoy the challenge of preparing the car and others simply look forward to time spent with close friends and family.

I won a heat race once. That wax the mont memorable racing moment for me. I felt like I had won the Daytona 500! I took the lead in the feature thai night after four or five lapa (the car wax unbelievable!). Everything was going great until I hit some oil dry that did not get cleaned up coming out of Turn 4 on a restart and the car sailed hard into the wall. Not only did I not win, hut the car needed a new front clip, etc. Ugghhh! I love racing.

I started racing in 1956 in Aquasco, MD, when a friend borrowed my ‘47 Ford Convertible and raced it before I knew anything about it. After that I raced a 1933 Dodge Convertible. We drove our curs to the track. There was no Christmas tree, only a flagman. There were very few rules and regs back then.

I quit racing in 1970 because of family demanda. In 2002 a customer came into the shop and we started talking about drag racing. He had a 1972 Dodge Demon he was racing. I went along to watch and was bitten by the bug again. We double-teamed his car for two years.

Not long after that, MeI decided he needed to have his own race car again.

It’s a 1970 Plymouth Barracuda that’s a completely custom build. The entire chassis is hand-made, including the roll cage, floors and dash. The headers also are custom-made. I built the engine myself. It’s a Chrysler 440 bond .30 over. The trans is a 727, which I also built. It has a trans brake but 110 box.

The last pass of the season last year was 135 mph and 10.15 seconds. With the modifictitions that I am making, the car will go in the 9-seamd range this season. Wa dyno’d the car last week and it’s developing 495 horsepower and 1900 fool pounds of torque to the rear wheels at 3500 rpm.

I’ve raced the Barracuda at Pueblo Motorsports Park, in Pueblo, CO, Bandimere Speedway in Denver, Julesburg Dragistrip in Julesburg, CO (one of the oldest track’s in the country), Speedway Raceway Park in Surprise, AZ, Southwestern International Raceway in Tucson and Douglas Dragwuij in Douglas, WV. I hope to race in kansas this year. Bob Bruier and Roberta Hinebaugh are my pit crew.

I bought this car in 2003. It look two years of hard work and lots of money to get it going. I am now 72 yearn old. I have passed both the physical and driving requirements to drive a 9-second car and I have been working to do that this year.

Michael L. Vellines

Michael L. Vellines is the owner of M & M Auto Repair, which opened in Kissimmee, FL, in 1984. Michael is an ASE Master Auto and Ll-certified technician. His shop does general repairs, with an emphasis on computer diagnostics.

In 1998, Rs son (also named Michael) asked if he could try out racing to see if he liked it; he was nine years old at the time! After watching some events together, Dad decided it would be a hobby they could enjoy together.

The younger Michael began in quarter midgets and has since moved up to the Allison Legacy series. The cars in this series are ¾-scale models of N EXTEL Cup cars. Chassis construction is similar to the larger cars, but a 2.2L engine from a Mazda B2200 truck provides the power.

The engines are sealed to keep costs down. The series dso mes a spec tire and spec shocks. Because everybody in the field has very similar equipment, it puts a greater emphasis on driver skill.

The father and son team relies on Ben Rothkopf (spotter), Denise M. VeIlines (backup spotter) and Bob Semple (crew) for support when they’re at the track. The touring series races in Virginia, North Carolina, South Carolina and Georgia. Some of the tracks they’ve visited include Concord Motorsports Speedway, Hickory Motor Speedway, Peachstate, Lonesome Pine Speedway, Florence Speedway and Myrtle Beach.

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28th August 2007

Diesel Wins the Race

Ho-hum. Audi won the 12-hour Sebring endurance race again in 2006, making it seven in a row. What’s different about the latest victory is the car’s powerplant: a diesel engine. This is the first time a diesel-engine vehicle has triumphed in a major automobile endurance race. And it’s also a shot in the arm for the image of diesels, which account for nearly half of all passenger cars sold in Europe but for only a fraction in the U.S.

The LeMans Prototype Audi R10, with its V12 turbocharged diesel engine producing 650 hp, finished four laps ahead of the runner-up. A sister R10 diesel retired at the midpoint while leading; Audi called the retirement “precautionary.” (Translation: An overheating problem from track debris clogging the radiator fins could have caused embarrassing engine failure.) From Sebring, it’s on to the most famous of all endurance races—the 24-hours LeMans, in June.

Audi had a slight advantage going into the race: Rules allow slightly bigger diesel engines than gasoline engines, with more turbocharger boost (pressure), and a gallon of diesel fuel has 12 percent more energy than gasoline. Other diesel-engine cars have competed in major races, but have had less success. A Cummins diesel racer won the starting pole position for the 1952 Indianapolis 500, but wound up finishing 27th.

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