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SWA Fuel Savings

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chase

Well-known member
Joined
Nov 27, 2001
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1,217
The following article discusses the purchase of the "fuelmizer" modification to the 737 flap system permitting the savings of approximately 4% on fuel use of 737-300 aircraft. This system while being purchased by Kitty Hawk is currently being tested by Southwest on a couple of aircraft. The test is to determine the "actual fuel savings" prior to the purchase. I ran across this article & thought folks might be interested in what SWA is doing to keep their energy costs in line through conservation.
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Kitty Hawk Aircargo, Inc. Announces Contract with AvAero For FuelMizer
Tuesday January 11, 11:05 am ET Kitty Hawk Aircargo Is The All-Cargo Launch Customer For AvAero's FuelMizer Modification

DALLAS--(BUSINESS WIRE)--Jan. 11, 2005--Dallas-based Kitty Hawk Aircargo, Inc., a subsidiary of Kitty Hawk, Inc. (AMEX:KHK - News) has executed a contract with Florida-based AvAero for FuelMizer modification kits for its new fleet of seven Boeing 737-300SF cargo aircraft. Specific terms were not disclosed, however, the agreement includes options for up to 13 additional aircraft. The first 737-300SF is scheduled for delivery to Kitty Hawk in a few weeks with remaining deliveries scheduled throughout 2005.

The FuelMizer is an FAA-approved modification that enhances aerodynamic effectiveness and improves the fuel efficiency of the Boeing 737-300SF. Based on engineering projections and actual test flights with other airlines, Kitty Hawk expects to realize as much as a four percent fuel savings. In typical use, the modification can reduce jet fuel consumption by thousands of gallons per year per aircraft. The FuelMizer modification will be installed at Kitty Hawk's DFW International Airport maintenance facility prior to each B737-300SF entering service.

"We are pleased to be both the launch customer for the freighter aircraft application for the FuelMizer, as well as the North American launch customer for the Boeing 737-300SF," said Robert W. Zoller, Kitty Hawk's president and CEO. "The 737-300SF is already an extremely efficient aircraft and that will be enhanced even further with the FuelMizer." "I'm impressed with the management team at Kitty Hawk and their decision to maximize their operational environment by installing the AvAero Fuel Reduction Modification," said Robert Finn, president of AvAero. "The addition of Boeing 737-300SF's equipped with the FuelMizer will reduce their fuel burn significantly and have a positive impact on their profitability."
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Life vests are being installed on the aircraft also to permit further overwater ops than are currently permitted. As has been previously discussed this will permit more direct routings along some eastern and gulf coast routings when direct flights are permitted. The new routings won't go into effect until '06 due to the time it takes to install the equipment and train crews. Some sample savings are below:

TPA-HOU 17 mins saved 209 gallons $292.60 savings ($1.40 per gallon)
ISP-FLL 16 mins saved 194 gallons $271.60
PBI-PHL 17 mins saved 224 gallons $313.60

It may not sound like much but again SWA is working to keep its costs down by being more efficient and increasing productivity...two themes of Gary Kelly that he has focused on & continues to focus on.....let the speculation begin on the Caribbean!!!!
 
Increased lift, decreased induced drag?

Chase,


I read about this mod last week and it almost sounded to good to be true. I thought, if that's true, how come Southwest isn't putting it on?.

Quote,
The FuelMizer modification does not require structural alterations. There are no systems maintenance, nor operational changes; and is penalty free. By changing specific parts and repositioning certain wing flight controls, AvAero is able to offer a modification that can be installed in 200 – 250 man-hours. FAA approved flight tests have verified an average fuel savings of 4% plus.

No winglets. Just an increased wing surface by changing the zero flap position(aft and below the standard) the end effect is that the lift to drag ratio has increased reducing fuel consumption by .4%

On an unrelated story the 737 chief aerodynamicist at Boeing has been fired.

The link below shows what the mod entails.
http://www.avaero.com/fulemizer.htm
 
Southwest is testing the mod on a couple of jets to verify the savings , then see if the savings are worth what it costs to mod the planes & increased maintenance (if any).
 
Snoopy58 said:
Southwest is testing the mod on a couple of jets to verify the savings , then see if the savings are worth what it costs to mod the planes & increased maintenance (if any).

The other new stuff to come down the pipe, is the after-market Winglets being installed on the B737NG, B733, B757, and B767.

I believe Continental is getting the winglets installed on the B757 1st. Then Icelandair.

This will reduce crz fuel burn by apprx 3%.
 
Have heard unofficial results from a maintenance management type that the SWA testing of the "fuelmizer" mod is not showing any significant fuel savings. Heard this in Dallas, not sure if the source was totally reliable, fwiw.
 
I flew two of the Fuel Mizer aircraft in the same pairing. I didn't notice an significant savings.

I wonder if the continuos clacking sound had anything to do with it?
 
Too bad we wasted most of the fuel savings by doing 60 down Lima. Preview of the next Quarterly Earnings Webcast, Gary Kelly saying "20,40,60,80, Million!"
 
A few years back a SWA crew out at Orange County / John Wayne took fuel savings to an extreme by landing right next to the gas pump...Shell station, I believe it was.
 
Well Spanky, I don't know if you are new to this board, or aviation for that matter, but the pilots on this board, myself included, do not joke about any other airlines accidents. Bad Karma. And for the record it was Burbank and a Chevron station. Good luck and be safe in your flying career. Bad Karma man, Bad Karma.
 
Been in aviation longer than you think and been to more missing man memorials than I care to remember. Yeah, poking a little fun at mustard fluff drivers and their taxi speeds, etc but SWA pilots and all pilots learn from accidents. Lucky everyone walked away from that one in Burbank.

Sorry...I guess only SWA pilots can comment about SWA...the good or the bad.
 

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