Which 737 has split winglets?
The 737 MAX is fitted with Boeing’s trademark split winglets, also called split-scimitar winglets. Dubbed the 737 MAX AT Winglet, they are a unique design incorporating features from blended, split-scimitar and raked winglets.
What is split Scimitar winglets?
The Split Scimitar winglets, which have been named after a type of Middle Eastern sword with a curved blade, aim to reduce drag and improve fuel efficiency. It features a split tip, with one part curved upwards at the end of the wing and a second tip pointing downwards and backwards at an angle.
How much do winglets cost?
Winglets cost anywhere from $500,000 for a 737 to more than $2 million for bigger planes. But the payoff can be rapid. Southwest Airlines estimates that it saves 54 million gallons of fuel every year thanks to equipping 93 percent of its fleet of 737s with winglets.
What planes have split winglets?
Split Scimitar Winglets These winglets are now standard on all new Boeing Business Jet aircraft, and are already in service on over 700 Boeing 737NG airliners.
How much does a winglet weigh?
about 132 pounds
Each winglet weighs about 132 pounds. Increased weight to the airplane for modifying wing and installing winglets is about 480 pounds….Benefits.
| Series | Range (nm) Normal | Range (nm) With Winglets |
|---|---|---|
| -900 | 2670 | 2725 |
Who invented winglets?
Wing end-plates In the United States, Scottish-born engineer William E. Somerville patented the first functional winglets in 1910. Somerville installed the devices on his early biplane and monoplane designs. Vincent Burnelli received US Patent no: 1,774,474 for his “Airfoil Control Means” on August 26, 1930.
What is a 737 winglet?
Blended winglets were standard on the 737 NG and are available for retrofit on 737 Classic models. These winglets stand approximately 8 feet (2.4 m) tall and are installed at the wing tips. They improve fuel efficiency by up to 5% through lift-induced drag reduction achieved by moderating wingtip vortices.
Who invented the winglet?
How much money do winglets save?
An operator with a fleet of 767-300ER airplanes estimates that installing blended winglets will save 300,000 U.S. gallons of fuel per airplane per year, reducing CO2 emissions by more than 3,000 tonnes annually.
Does 737 MAX have winglets?
Boeing is introducing the very latest in advanced winglet technology, the 737 MAX AT Winglet. In addition to the inward, upward and slightly forward lift components of the upper aerofoil, the new lower aerofoil generates a vertical lift component that is vectored away from the fuselage, and also slightly forward.
How big is a 737 winglet?
8 feet long
Each winglet is 8 feet long and 4 feet in width at the base, narrowing to approximately two feet at the tip. Winglets add approximately 5 feet to the airplane’s total wingspan – from 112 feet 7 inches to 117 feet 2 inches. (All Next-Generation 737 models have the same wingspan.)