Barnes Wallis Moth Machine

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Barnes Wallis Moth Machine, 1992 Barnes Wallis Moth Machine.jpg
Barnes Wallis Moth Machine, 1992

The Barnes Wallis Moth Machine was a modified microlight aircraft designed for collecting moths and other flying insects over rainforest canopies. The core machine was a Pegasus Q microlight aircraft. Modifications for moth catching were designed by Charles Cockell and implemented by a team of engineers at Enstone Airfield, UK. [1] [2] [3]

The machine was test flown in Oxford by Charles Cockell and then flown over the rainforest canopy in Sumatra, Indonesia [4] in 1993 by Cockell in an effort to catch moths to catalog the diversity of moths in the rainforest as part of a biodiversity study of the Kerinci Seblat National Park. The machine had several modifications for moth catching: 1) Ultraviolet lights under the front of the aircraft for attracting moths during systematic sweeps of the forest, 2) A moth catching device consisting of an inverted funnel with a pleated butterfly net at the end for trapping moths scooped during flight, 3) A forward facing one million candlepower lamp to avoid trees whilst flying during dusk, 4) Two one million candlepower lamps pointing downwards at an angle to estimate height above the forest canopy, using a similar principle to that adopted for night flying during the 617 Squadron Dams raids in World War 2 and developed by Barnes Wallis (for whom the machine was named), 5) Infra-red night vision system for improving visibility during night time moth catching, provided by 617 Squadron and worn by the entomologist pilot.

Kerinci Seblat National Park national park

Kerinci Seblat National Park is the largest national park on the island of Sumatra, Indonesia. It has a total area of 13,791 km2, and spans four provinces: West Sumatra, Jambi, Bengkulu, and South Sumatra.

Barnes Wallis English scientist, engineer and inventor

Sir Barnes Neville Wallis, was an English scientist, engineer and inventor. He is best known for inventing the bouncing bomb used by the Royal Air Force in Operation Chastise to attack the dams of the Ruhr Valley during World War II. The raid was the subject of the 1955 film The Dam Busters, in which Wallis was played by Michael Redgrave. Among his other inventions were his version of the geodetic airframe and the earthquake bomb.

The Patrons of the expedition were Susannah York, David Bellamy and 617 Squadron. Corporate Patrons were Barbour, British Petroleum, Pilkington and Containerway Ltd.

Susannah York English film, stage and television actress

Susannah Yolande Fletcher, known professionally as Susannah York, was an English actress. Her appearances in various films of the 1960s, including Tom Jones (1963) and They Shoot Horses, Don't They? (1969), formed the basis of her international reputation. An obituary in The Telegraph characterised her as "the blue-eyed English rose with the china-white skin and cupid lips who epitomised the sensuality of the swinging sixties", who later "proved that she was a real actor of extraordinary emotional range".

David Bellamy English professor, botanist, author, broadcaster and environmental campaigner

David James Bellamy OBE is an English author, broadcaster, environmental campaigner and botanist. He has lived in County Durham since 1960.

The machine was flown for several moth catching sorties over the rainforest, north of the Sumatran town of Bengkulu during July 1993. Moths were also caught using UV lamps on the ground.

During the expedition, whilst attempting to land the moth machine in a rainforest clearing, it clipped the top of a tree and crashed, destroying the machine, although Cockell escaped uninjured. [5]

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References

  1. Nick Nutall: Those men in their moth machines, The Times, 13 March 1993, TM62
  2. Roger Highfield: This is the world's first and finest flying moth-collecting machine. Daily Telegraph, 1 April 1993, 5
  3. Expeditions to Indonesia Handbook: Expedition Sumatra 1993 (The Barnes Wallis Moth Machine). ISBN   0951702114
  4. George McGavin. Expedition Field Techniques: Insects and Other Terrestrial Arthropods. Royal Geographical Society, 2007
  5. Bernard Levin: Of Moths and Flames, Editorial, The Times, 23 November 1993, 18