NAC Fieldmaster
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The NAC Fieldmaster was a British agricultural aircraft of the 1980s. A turboprop powered single-engined monoplane, it was built in small numbers and used both as a cropsprayer and a firefighting aircraft.
Development and design
NDN Aircraft was set up in 1976 by Desmond Norman to build the Firecracker trainer. Norman had been a founder of the Britten-Norman company, the manufacturers of the Islander. NDN Aircraft designed a new agricultural aircraft, the NDN-6 Fieldmaster. This was a large single-engined low-winged monoplane with a fixed tricycle undercarriage, powered by a Pratt & Whitney Canada PT6 turboprop engine, the first western-built agricultural aircraft to be designed for turboprop power.[1] Novel features included an integral hopper made of Titanium to carry its chemical payload, which was dispersed via spray nozzles built into the flaps under the aircraft's wings.[2]
The first prototype flew on 17 December 1981 at NDN's airfield at Sandown, Isle of Wight. TNDN moved the premises to Cardiff, Wales in 1985, renaming itself the Norman Aeroplane Company (NAC). Production finally started in 1987.[3] It was intended that parts would be produced by UTVA in Pančevo, Yugoslavia (now in Serbia) to be assembled in Cardiff.[4]
NAC went into receivership in 1988, after the production of six Fieldmasters, including the prototype.[5] Brooklands Aerospace attempted to continue production, rebuilding one of the Fieldmasters with a more powerful engine as a specialised firefighting aircraft as the Firemaster 65,[6] but these attempts were stopped by the outbreak of civil war in Yugoslavia.[7]
A final attempt at production was made by the Turkish Aeronautical Association (Türk Hava Kurumu – THK) who started licensed production in 1997. This ended in 1999 after completion of two complete aircraft and a further two airframes lacking engines.[8]
Variants
- NDN-6 Fieldmaster
- The initial designation for the prototype; one built.
- NAC Fieldmaster
- Designation of production aircraft after the formation of the Norman Aeroplane Company (NAC); five built.
- Brooklands Aerospace Firemaster 65
- A rebuilt Fieldmaster with more powerful engine and firefighting equipment; one conversion.
- THK-TAYSU
- Production in Turkey by Türk Hava Kurumu (THK); four built
Specifications (NAC 6)
Data from Jane's All the World's Aircraft 1988–89[3]
General characteristics
- Crew: 1
- Capacity: optional trainee / ground operator jump seat and/or Template:Cvt dry chemicals or Template:Cvt liquidTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convert
- Aspect ratio: 7.96
- Airfoil: NACA 23012Template:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convert
- Fuel capacity: Normal Template:Cvt; Maximum Template:Cvt (2 x Template:Cvt main tanks and 2x Template:Cvt auxiliary tanks); Oil Template:CvtTemplate:Aircraft specs/convertTemplate:Aircraft specs/engTemplate:Aircraft specs/engTemplate:Aircraft specs/engTemplate:Aircraft specs/lengthTemplate:Aircraft specs/convert
- Propellers: 3-bladed Hartzell HC-B3TN-3/T10282+4Template:Aircraft specs/length
PerformanceTemplate:Aircraft specs/speedTemplate:Aircraft specs/speedTemplate:Aircraft specs/speedTemplate:Aircraft specs/speedTemplate:Aircraft specs/speedTemplate:Aircraft specs/rangeTemplate:Aircraft specs/rangeTemplate:Aircraft specs/rangeTemplate:Aircraft specs/convert
- g limits: +3 / -1.7Template:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convert
- Power/mass: Template:Cvt
- Take-off run to Template:Cvt: Template:Cvt
- Landing run from Template:Cvt: Template:Cvt
- Landing run: Template:Cvt at Template:Cvt with propeller reversal
See also
Aircraft of comparable role, configuration, and era
References
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- ^ Page Module:Citation/CS1/styles.css has no content.Barnett, Cliff (30 August 1980). "Enter the Fieldmaster". Flight International. Vol. 118, no. 3721. p. 800. ISSN 0015-3710. Archived from the original on 30 March 2019. Retrieved 30 March 2019.
- ^ Page Module:Citation/CS1/styles.css has no content.Barnett, Cliff (29 August 1981). "NDN Fieldmaster". Flight International. No. 3773. pp. 649–652. ISSN 0015-3710. Retrieved 30 March 2019.
- ^ a b Page Module:Citation/CS1/styles.css has no content.Taylor, John W.R., ed. (1988). Jane's all the World's Aircraft 1988–89. London: Jane's Information Group. pp. 299–300. ISBN 0-7106-0867-5.
- ^ Page Module:Citation/CS1/styles.css has no content."Jugoslavs will build Fieldmaster". Flight International. Vol. 133, no. 4105. 19 March 1988. p. 12. ISSN 0015-3710. Archived from the original on 30 March 2019. Retrieved 30 March 2019.
- ^ Page Module:Citation/CS1/styles.css has no content."Norman calls in receiver". Flight International. Vol. 134, no. 4125. 6 August 1988. p. 11. ISSN 0015-3710. Archived from the original on 30 March 2019. Retrieved 30 March 2019.
- ^ Page Module:Citation/CS1/styles.css has no content."Uprated Fieldmaster makes first flight". Flight International. Vol. 136, no. 4194. 6 December 1989. p. 21. ISSN 0015-3710. Archived from the original on 30 March 2019. Retrieved 30 March 2019.
- ^ Page Module:Citation/CS1/styles.css has no content.Donald, David (1997). The encyclopedia of world aircraft (Updated ed.). Blitz Editions. p. 673. ISBN 185605375X.
- ^ Page Module:Citation/CS1/styles.css has no content.Tuncay, Deniz. "THK : Turkish Aircraft Production". tuncay-deniz. Retrieved 30 March 2019.
Further reading
- Page Module:Citation/CS1/styles.css has no content."Fieldmaster fighter proves its worth". Flight International. Vol. 132, no. 4086. 31 October 1987. p. 15. ISSN 0015-3710. Archived from the original on 26 December 2014. Retrieved 30 March 2019.
- Page Module:Citation/CS1/styles.css has no content.Blech, Robin (6 February 1988). "Norman's mighty Fieldmaster". Flight International. Vol. 133, no. 4099. pp. 22–26. ISSN 0015-3710.
External links
- Page Module:Citation/CS1/styles.css has no content."NDN/NORMAN AEROPLANE Co". ISLE OF WIGHT AVIATION. Archived from the original on 13 April 2009. Retrieved 30 March 2019.
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