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Jonathan Tobin: Defending the Right to a Jewish State

Heather Hale: Compliment your kids without giving them big heads

Megan Shauri: 10 ways you are ruining your own happiness

Carolyn Bigda: 8 Best Dividend Stocks for 2015

Kiplinger's Personal Finance editors: 7 Things You Didn't Know About Paying Off Student Loans

Samantha Olson: The Crucial Mistake 55% Of Parents Are Making At Their Baby's Bedtime

Densie Well, Ph.D., R.D. Open your eyes to yellow vegetables

The Kosher Gourmet by Megan Gordon With its colorful cache of purples and oranges and reds, COLLARD GREEN SLAW is a marvelous mood booster --- not to mention just downright delish
April 18, 2014

Rabbi Yonason Goldson: Clarifying one of the greatest philosophical conundrums in theology

Caroline B. Glick: The disappearance of US will

Megan Wallgren: 10 things I've learned from my teenagers

Lizette Borreli: Green Tea Boosts Brain Power, May Help Treat Dementia

John Ericson: Trying hard to be 'positive' but never succeeding? Blame Your Brain

The Kosher Gourmet by Julie Rothman Almondy, flourless torta del re (Italian king's cake), has royal roots, is simple to make, . . . but devour it because it's simply delicious

April 14, 2014

Rabbi Dr Naftali Brawer: Passover frees us from the tyranny of time

Greg Crosby: Passing Over Religion

Eric Schulzke: First degree: How America really recovered from a murder epidemic

Georgia Lee: When love is not enough: Teaching your kids about the realities of adult relationships

Cameron Huddleston: Freebies for Your Lawn and Garden

Gordon Pape: How you can tell if your financial adviser is setting you up for potential ruin

Dana Dovey: Up to 500,000 people die each year from hepatitis C-related liver disease. New Treatment Has Over 90% Success Rate

Justin Caba: Eating Watermelon Can Help Control High Blood Pressure

The Kosher Gourmet by Joshua E. London and Lou Marmon Don't dare pass over these Pesach picks for Manischewitz!

April 11, 2014

Rabbi Hillel Goldberg: Silence is much more than golden

Caroline B. Glick: Forgetting freedom at Passover

Susan Swann: How to value a child for who he is, not just what he does

Cameron Huddleston: 7 Financial Tasks You Should Tackle Right Now

Sandra Block and Lisa Gerstner: How to Profit From Your Passion

Susan Scutti: A Simple Blood Test Might Soon Diagnose Cancer

Chris Weller: Have A Slow Metabolism? Let Science Speed It Up For You

The Kosher Gourmet by Diane Rossen Worthington Whitefish Terrine: A French take on gefilte fish

April 9, 2014

Jonathan Tobin: Why Did Kerry Lie About Israeli Blame?

Samuel G. Freedman: A resolution 70 years later for a father's unsettling legacy of ashes from Dachau

Jessica Ivins: A resolution 70 years later for a father's unsettling legacy of ashes from Dachau

Kim Giles: Asking for help is not weakness

Kathy Kristof and Barbara Hoch Marcus: 7 Great Growth Israeli Stocks

Matthew Mientka: How Beans, Peas, And Chickpeas Cleanse Bad Cholesterol and Lowers Risk of Heart Disease

Sabrina Bachai: 5 At-Home Treatments For Headaches

The Kosher Gourmet by Daniel Neman Have yourself a matzo ball: The secrets bubby never told you and recipes she could have never imagined

April 8, 2014

Lori Nawyn: At Your Wit's End and Back: Finding Peace

Susan B. Garland and Rachel L. Sheedy: Strategies Married Couples Can Use to Boost Benefits

David Muhlbaum: Smart Tax Deductions Non-Itemizers Can Claim

Jill Weisenberger, M.S., R.D.N., C.D.E : Before You Lose Your Mental Edge

Dana Dovey: Coffee Drinkers Rejoice! Your Cup Of Joe Can Prevent Death From Liver Disease

Chris Weller: Electric 'Thinking Cap' Puts Your Brain Power Into High Gear

The Kosher Gourmet by Marlene Parrish A gift of hazelnuts keeps giving --- for a variety of nutty recipes: Entree, side, soup, dessert

April 4, 2014

Rabbi David Gutterman: The Word for Nothing Means Everything

Charles Krauthammer: Kerry's folly, Chapter 3

Amy Peterson: A life of love: How to build lasting relationships with your children

John Ericson: Older Women: Save Your Heart, Prevent Stroke Don't Drink Diet

John Ericson: Why 50 million Americans will still have spring allergies after taking meds

Cameron Huddleston: Best and Worst Buys of April 2014

Stacy Rapacon: Great Mutual Funds for Young Investors

Sarah Boesveld: Teacher keeps promise to mail thousands of former students letters written by their past selves

The Kosher Gourmet by Sharon Thompson Anyone can make a salad, you say. But can they make a great salad? (SECRETS, TESTED TECHNIQUES + 4 RECIPES, INCLUDING DRESSINGS)

April 2, 2014

Paul Greenberg: Death and joy in the spring

Dan Barry: Should South Carolina Jews be forced to maintain this chimney built by Germans serving the Nazis?

Mayra Bitsko: Save me! An alien took over my child's personality

Frank Clayton: Get happy: 20 scientifically proven happiness activities

Susan Scutti: It's Genetic! Obesity and the 'Carb Breakdown' Gene

Lecia Bushak: Why Hand Sanitizer May Actually Harm Your Health

Stacy Rapacon: Great Funds You Can Own for $500 or Less

Cameron Huddleston: 7 Ways to Save on Home Decor

The Kosher Gourmet by Steve Petusevsky Exploring ingredients as edible-stuffed containers (TWO RECIPES + TIPS & TECHINQUES)

Jewish World Review

How the North American Eagle works

By Marshall Brain

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http://www.JewishWorldReview.com | (MCT) On October 15, 1997, Andy Green set the Land Speed Record of 763 MPH. It was an amazing feat - the first time ever that a car had officially broken the sound barrier. Since then, no one has come close.

In 2007 there are at least two teams that are going to try to break the record. One is led by Steve Fossett, who in January of 2007 purchased the Spirit of America car from Craig Breedlove. The other team is led by Ed Shadle and Keith Zanghi. They have built a jet-powered car named the North American Eagle.

The thing that makes the North American Eagle interesting is the fact that it started life as a Mach 2 jet fighter. The team purchased a decommissioned F-104 Starfighter and used it as a starting point. By removing the wings, covering over the mounting points for the wings and then adding wheels and a parachute braking system, the team created what could become the fastest car in the world.

The North American Eagle uses a GE LM-1500 jet engine as its power plant. The LM-1500 is an extremely powerful engine that can generate up to 52,000 horsepower and 20,000 pounds of thrust. The operation of this engine is nothing like the operation of a normal piston engine like the one in your car. Along the side of the North American Eagle are the F-104's original air intakes. The engine compresses air from these intakes in its 17-stage compressor section, adds fuel, lights the fuel and then sends the thrust straight out the back of the engine. At full throttle, the engine burns over a gallon of fuel every second, and the afterburners add another 10 gallons per minute of gas to that.

To turn the F-104 into a car, a team of engineers first stiffened the frame of the jet. Then they added three wheels. The single front wheel provides steering, and the two back wheels are mounted on a 10-foot wide metal triangular frame to provide stability. To date, the North American Eagle has been running on rubber tires. But for the speed record, where the goal is 800 MPH, rubber tires would disintegrate. So the team will use large, solid aluminum wheels. Each wheel is machined out of a massive billet of aluminum for strength.

The engine weighs almost two tons. Add to that the F-104's fuselage, the wheels and the wheel's frame and you have a vehicle that weighs in at approximately 13,000 pounds. There is also likely to be approximately a ton of fuel onboard.

So, how do you bring 13,000 pounds of car traveling at 800 MPH to a stop? It is a five-step process that goes something like this. The first step is to use the speed brakes built into the original airframe. Two large doors near the tail open using hydraulic cylinders. They are able to cut the speed from 800 to 650 MPH. Then a small drogue chute pops out to bring the speed down to about 500 MPH. Then the two main parachutes deploy and bring the car down to about 125 MPH. Since the wheels are solid aluminum, there is also a magnetic braking system that generates eddy currents in the wheels to create drag.

And then there is the last 100 MPH of velocity that needs to go away. Some cars have used normal disc brakes to come to a complete stop. But at 13,000 pounds, disc brakes have their limits. The North American Eagle will probably use a hydraulically activated pad that pushes into the ground. The best part of this approach is the fact that it is fool-proof.

Right now the North American Eagle team is at an interesting crossroads. The car is done, and the car has been tested on rubber tires to speeds up to 300 MPH or so. But now the team needs to find a major sponsor to make an attempt at the Land Speed Record. Steve Fossett has indicated that his team may make an attempt in October of 2007. With luck, the North American Eagle team will be able to get there first.

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Previously:


Why aren't we flying to work?
How tofu and soy milk work
How Colony Collapse Disorder works
How airbags work
How the U.S. income tax works
How gum works
How caffeine works
How Daylight Saving Time works
How a cruise missile works
How snow making works

© 2007, How Stuff Works Inc. Distributed by McClatchy-Tribune Information Services.

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