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Steven F. Udvar-Hazy Center: Concorde
Weight loss
Image by Chris Devers
Quoting Smithsonian National Air and Space Museum | Concorde, Fox Alpha, Air France:

The first supersonic airliner to enter service, the Concorde flew thousands of passengers across the Atlantic at twice the speed of sound for over 25 years. Designed and built by Aérospatiale of France and the British Aviation Corporation, the graceful Concorde was a stunning technological achievement that could not overcome serious economic problems.

In 1976 Air France and British Airways jointly inaugurated Concorde service to destinations around the globe. Carrying up to 100 passengers in great comfort, the Concorde catered to first class passengers for whom speed was critical. It could cross the Atlantic in fewer than four hours – half the time of a conventional jet airliner. However its high operating costs resulted in very high fares that limited the number of passengers who could afford to fly it. These problems and a shrinking market eventually forced the reduction of service until all Concordes were retired in 2003.

In 1989, Air France signed a letter of agreement to donate a Concorde to the National Air and Space Museum upon the aircraft’s retirement. On June 12, 2003, Air France honored that agreement, donating Concorde F-BVFA to the Museum upon the completion of its last flight. This aircraft was the first Air France Concorde to open service to Rio de Janeiro, Washington, D.C., and New York and had flown 17,824 hours.

Gift of Air France.

Manufacturer:
Societe Nationale Industrielle Aerospatiale
British Aircraft Corporation

Dimensions:
Wingspan: 25.56 m (83 ft 10 in)
Length: 61.66 m (202 ft 3 in)
Height: 11.3 m (37 ft 1 in)
Weight, empty: 79,265 kg (174,750 lb)
Weight, gross: 181,435 kg (400,000 lb)
Top speed: 2,179 km/h (1350 mph)
Engine: Four Rolls-Royce/SNECMA Olympus 593 Mk 602, 17,259 kg (38,050 lb) thrust each
Manufacturer: Société Nationale Industrielle Aérospatiale, Paris, France, and British Aircraft Corporation, London, United Kingdom

Physical Description:
Aircaft Serial Number: 205. Including four (4) engines, bearing respectively the serial number: CBE066, CBE062, CBE086 and CBE085.
Also included, aircraft plaque: "AIR FRANCE Lorsque viendra le jour d’exposer Concorde dans un musee, la Smithsonian Institution a dores et deja choisi, pour le Musee de l’Air et de l’Espace de Washington, un appariel portant le couleurs d’Air France."

Success: After Weight Loss Surgery 2008 – Charlotte, NC
Weight loss
Image by kevin_d_old
Taken at the 2008 "Success: After Weight Loss Surgery" conference in Charlotte, NC hosted by Southeast Bariatrics in association with www.band2gether.net.

BMI vs. Body Fat
Weight loss
Image by syvwlch
This is a plot of the Body Mass Index vs. the Body Fat percentage. It includes the actual measurements over the 11 weeks of my diet so far (the little red crosses), as well as some guesses about where this is going next.

Obviously, I started in the upper right-hand corner (with a BMI around 32.5 and a Body Fat percentage of over 32%!) and as the diet progresses, I’m moving down and left. You can see the measurements just hit the transition between Obese and Over-Weight as per BMI.

The most important parameter impacting the shape of the curve is the Fat Loss Ratio (FLR), i.e. the percentage of weight loss that is actual fat loss (as opposed to muscle loss).

The thick brown line is the model’s best guess as to where BMI and Body Fat are going next, based on my historical average FLR value (i.e. 63.06% as of today), while the dashed lines show where the curve would lie for other values of FLR.

For the record, I expect FLR to change as I continue to lose weight and/or make an impact on my muscle loss, but it’s interesting to see how wide a range of possible Body Fat ratios could potentially correspond to the various BMI threshold values.

Lastly, these BMI and Body Fat values are valid for me, right now. I doubt they have any predictive value for anyone else, especially if they are not a 35-year old male.

 
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