Electra l-188 book and whirl modeling

Id seen photos of various conversions of hasegawas p3 kit some produced from after market conversion kits but. View profile view forum posts private message view blog entries view articles top gun join date mar 2005 location llano estacado posts,311. Like the model 10 electra, the l188 had many advanced features for its era. May 14, 2009 braniff airlines lockheed l188 electra, late 1950s. Nasa astrophysics data system ads berkhahn, svenolaf. The type gained considerable fame as one was flown by amelia earhart on her illfated aroundtheworld expedition in 1937. The lockheed l188 electra is a fourengine short to mediumrange turboprop airliner for up to 99 passengers produced by the usamerican manufacturer lockheed corporation. Lockheed l188 electra specifications technical data. Toys and models display models toys and models kl188aat. After the accidents of two lockheed l188 c electra ii airliners in 1959 and 1960 4, the importance of the whirl flutter phenomenon in practical applications was recognised. Aussie modeller international 172 lockheed l188 electra. Raa was a small airline which used c46, dc3, b727100 and the l 188s in their operations which lasted more than 20 years. Dimportantes et tres onereuses modifications sont necessaires, condamnant le l188 electra. Forward of the wing, the electra s fuselage was longer and of circular crosssection, and without the orions weapons bay hump.

The file cabinets of data were placed in a warehouse for distribution to various groups. When the lockheed facility in burbank, california, was shutting down in the early 1990s, all the commercial aircraft data for aircraft such as the constellation, l 188 electra, and l 1011 tristar was moved to marietta, georgia. Lockheed l188 electra aircraft history, specification. L188 electran5523, was a regularly scheduled cargo flight from baltimorewashington international bwi airport to willow run airport, ypsilanti, michigan. Special revised edition of the revellhasegawa p3c kit with a new fuselage and tail and full decals for a klm version ive used an old klm publicity postcard as illustration as the box is too big to. First flown in 1957, it was the first large turboprop airliner built in the united states.

Includes information on the birth of the electra, the original 14 airlines that used the electra and how, at the time of development, it was lockheeds most tested airliner. The largest experimental campaign was conducted using the aeroelastic model of the l188 c electra ii aircraft. The book is well documented, with many pictures and diagrams covering the history of the l188, the variations and derivatives. The northwest electra, when landing for its chicago stop, experienced a hard landing as verified by the lucky few who deplaned there. The l 188 was the fastest commercial turboprop flying, with a cruise speed of over 400 mph. It takes a look at the aircrafts trouble with whirl mode and resulting separation of. Forums airliner modeling, airliner models, airliner kits. The design of the lockheed l 188 electra began in 1954, and in the following year the company received a launching order from american airlines. This report presents a concise survey of the measurement of air speed and ground spee. Standard accommodation on the airplane was for 66 to 80 passengers, but a highdensity arrangement was. When the lockheed facility in burbank, california, was shutting down in the early 1990s, all the commercial aircraft data for aircraft such as the constellation, l188 electra, and l1011 tristar was moved to marietta, georgia. I have also built models of planes that i flew in service, or at least trained on during my career, including the comair emb120 n265ca which crashed in kdtw on 191997. The lockheed l 188 electra is an american turboprop airliner built by lockheed.

The design of the lockheed l188 electra began in 1954, and in the following year the company received a launching order from american airlines. The l188 is one of my all time favorite aircraft, and ive wanted one in 172 for the longest time. Image detail aa lockheed l188 electra america by air. After these events, additional experiments, including. Initial sales were good, but after two fatal crashes that led to expensive modifications to fix a design defect, no more were orde. Special revised edition of the revellhasegawa p3c kit with a new fuselage and tail and full decals for a klm version ive used an old klm publicity postcard as. Initial sales were good, but after two fatal crashes that led to expensive modifications to. The book deals with the whirl mode flutter problem that caused early electra. I also have a rare model n1968r, 1 of 12 made from an old western model l 188 mould and sold by ksc of salt lake city. The book, the electra story by john selding in smithsonian libraries, tells. Lockheed electra l188 scenery by orbx plane by team fs kbt in the library paint by fabio cabral tamworth to brisbane page 1 of 2. Proctor, the nasalangley wake vortex modeling effort in support of an operational aircraft spacing system, aiaa paper 980589 1998. Thinking hard about buying the welsh models kit, but having a hard time wrapping my head around the vac fuselage with resin wings concept. Top of page the electra navy variant, the p3 orion was a stateoftheart fourengine turboprop.

Train, railroad, transportation books from karens books. With this release it joins n1868r, a all passenger electra flown by raa. In the hundred years since its establishment, nasas langley research center larc has been at the leading edge of aerospace achievement, scientific discoveries, and technological breakthroughs. Apparently, the whirl mode caused from the wobbly, over speeding prop was unchecked by the weak engine mounts. This is the toys and models l188 american handcrafted display model in 1. Items in the worthopedia are obtained exclusively from licensors and partners solely for our members research needs. For example my aa eastern l188, which was involved in a bird strike accident in kbos, and a aa united cv340 which had an offairport landing in 1964. Through study at nasas wind tunnel with a model of the electra.

The lockheed l 188 electra is a fourengine short to mediumrange turboprop airliner for up to 99 passengers produced by the usamerican manufacturer lockheed corporation. The l 188 first flew in 1957, and was the first large turboprop airliner produced in the united states. Right electra model in the tdt after its right wing separated during powered tests. Whirl flutter is caused by the effect of rotating parts of a turboprop power plant propeller. The prototype, first flown on 6 december 1957, was a lowwing monoplane of conventional configuration with retractable tricycle landing gear and powered by four allison 501d, 501da or 501d15. Passenger comfort features included roomy seats, advanced aircondition system, and low noise level, made it popular with airline passengers. A good coverage of the whirl mode flutter problem that led to two fatal accidents is provided, as well as the of corrective leap program lockheed electra action program. Braniff airlines lockheed l188 electra, late 1950s. It takes a look at the aircrafts trouble with whirl mode and resulting separation of engines in flight with catastrophic results.

Failure of the engine supports led to whirl flutter occurring on two lockheed l188 electra in 1959 on braniff flight 542 and again in 1960 on northwest orient airlines flight 710. Jul 20, 20 the book is well documented, with many pictures and diagrams covering the history of the l188, the variations and derivatives. The order for 35 aircraft set the ball rolling and although the order book was. The flightcrew, consisting of a captain,first officer, and flight engineer, had flown from detroit, michigan, on the day of the accident as passengers and had arrived at baltimore. Whirl flutter of turboprop aircraft structures sciencedirect. The mounts were not strong enough to damp a phenomenon called whirl mode. Lockheed electra l 188 scenery by orbx plane by team fs kbt in the library paint by fabio cabral tamworth to brisbane page 1 of 2. Alas, shortly after this fantastic model began to grace the shelves of hobby shops, the airliner itself displayed a rather undesirable characteristic.

The lockheed l188, flightpath, vol 2, no 4, julyaugust 1990. Jul 22, 2012 the l 188 is one of my all time favorite aircraft, and ive wanted one in 172 for the longest time. The book deals with the whirl mode flutter problem that caused early electra crashes and the leap. L 188 electra n5523, was a regularly scheduled cargo flight from baltimorewashington international bwi airport to willow run airport, ypsilanti, michigan. This flaw, plus the advent of the purejet 707, spelled an abrupt end to the electras. As mentioned in chapter 3, this aircraft became famous due to the first occurrence of whirl flutter during its flight and the subsequent crashes of two aircraft in 1959 and 1960. The design of the lockheed l188 electra began in 1954, and in the following year the company received a launching order for the airplane from american airlines. The eventual cause was whirl mode or gyroscopic whirl as it was also called.

Help researching 1961 electra crash archive pprune forums. The study of aeroelasticity may be broadly classified into two fields. The mounts were not strong enough to damp a phenomenon called whirl mode flutter. It first flew in 1957 and when first delivered had only slightly inferior performance to that of a turbojet airliner but at a lower operating cost. Flow is highly nonlinear in the transonic regime, dominated by moving shock waves. The major external differences are in the forward fuselage and the tail cone area. It provides information concerning the lockheed l188 c electra ii aircraft accidents in 1959 and 1960 as well as the beechcraft. Construction list l188 electra serial line no model reg currentlast operator status. The lockheed l 188, flightpath, vol 2, no 4, julyaugust 1990. Lockheed l188c electra ii airliners in 1959 and 1960 as well as a beechcraft. L188 electra atlantic the design of the lockheed l188 electra began in 1954, and in the following year the company received a launching order for the airplane from american airlines.

The l 188 electra is an american turboprop airliner built by lockheed. Id seen photos of various conversions of hasegawas p3 kit some produced from after market conversion kits but there were often a. The lockheed model 10 electra is an american twinengined, allmetal monoplane airliner developed by the lockheed aircraft corporation in the 1930s to compete with the boeing 247 and douglas dc2. Future data communication architectures for safety critical aircraft cabin systems. After the accidents of two lockheed l188 c electra ii airliners in 1959 and.

Toys and models l188 american handcrafted display model. The name electra was chosen for the new airliner, the model l188. The l188 was the fastest commercial turboprop flying, with a cruise speed of over 400 mph. It is missioncritical for aircraft that fly through. Im a 172 enthusiast, and a few years ago i was brainstorming how to cobble together a decent 172nd model of the electra. Reeve aleutian lockheed l188 electra combi eztoys diecast. I also have a rare model n1968r, 1 of 12 made from an old western model l188 mould and sold by ksc of salt lake city. The lockheed electra l188 was the first large turboprop plane used by u. Suarez, windstress simulations and equatorial dynamics in an agcm atmosphericland general circulation model, nasa goddard earth sciences and technology center. Operated the first passenger service by an electra melsyd outside of the us.

The upanddown motion was transmitted to the electras left wing. Like the model 10 electra, the l 188 had many advanced features for its era. Unfortunately after two fatal crashes, no further orders were placed only 170 were built. The navys p3 orion was based on the electra design, and the two types share the same basic wing, tail surfaces, fuselage and engines. The model 188 electra is a lowwing cantilever monoplane powered by four wingmounted. Suarez, windstress simulations and equatorial dynamics in an agcm atmosphericland general circulation model, nasa goddard earth sciences and technology. It describes both the basic and advanced analytical models of whirl flutter. Nasa technical reports server ntrs beij, k hilding. The author of this book is senior scientist in aeroelasticity at the.

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