Adam A500: Difference between revisions
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The initial design empty weight publicized in 2003 was {{convert|4200|lb|kg|-1|abbr=on}}, while the actual empty weight of the serial number 7 A500 was {{convert|5460|lb|kg|-1|abbr=on}}. Initial gross weight was to be {{convert|6300|lb|kg|-1|abbr=on}}, which was increased to {{convert|7000|lb|kg|-1|abbr=on}}. This resulted in a change of useful load from a forecast {{convert|2100|to|1540|lb|kg|-1|abbr=on}}.<ref name="FlyingDec2007"/> |
The initial design empty weight publicized in 2003 was {{convert|4200|lb|kg|-1|abbr=on}}, while the actual empty weight of the serial number 7 A500 was {{convert|5460|lb|kg|-1|abbr=on}}. Initial gross weight was to be {{convert|6300|lb|kg|-1|abbr=on}}, which was increased to {{convert|7000|lb|kg|-1|abbr=on}}. This resulted in a change of useful load from a forecast {{convert|2100|to|1540|lb|kg|-1|abbr=on}}.<ref name="FlyingDec2007"/> |
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With the {{convert|230|USgal|l|-1|abbr=on}} fuel tanks full, the available payload for crew, passengers and baggage is {{convert|160|lb|kg|0|abbr=on}}, down from a projected {{convert|720|lb|kg|0|abbr=on}}. This means that the A500 cannot carry full fuel and one standard weight adult male or female pilot.<ref name="FlyingDec2007"/><ref>{{cite web|url |
With the {{convert|230|USgal|l|-1|abbr=on}} fuel tanks full, the available payload for crew, passengers and baggage is {{convert|160|lb|kg|0|abbr=on}}, down from a projected {{convert|720|lb|kg|0|abbr=on}}. This means that the A500 cannot carry full fuel and one standard weight adult male or female pilot.<ref name="FlyingDec2007"/><ref>{{cite web|url=http://www.tc.gc.ca/CivilAviation/publications/tp14371/RAC/3-1.htm#3-5 |title=Aeronautical Information Manual 3.5 Weight and Balance Form |accessdate=2008-01-18 |last=Transport Canada |authorlink= |date=October 2007 |archiveurl=https://web.archive.org/web/20071206071234/http://www.tc.gc.ca/CivilAviation/publications/tp14371/RAC/3-1.htm#3-5 |archivedate=2007-12-06 |deadurl=no |df= }}</ref> |
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Adam Aircraft had intended to address the lack of useful load by demonstrating that the current {{convert|30|USgal|l|-1|abbr=on}} of unusable fuel is actually {{convert|10|USgal|l|-1|abbr=on}}. This would have increased the useful load by {{convert|120|lb|kg|-1|abbr=on}} and allowed a full fuel crew weight of {{convert|280|lb|kg|0|abbr=on}}.<ref name="FlyingDec2007"/> |
Adam Aircraft had intended to address the lack of useful load by demonstrating that the current {{convert|30|USgal|l|-1|abbr=on}} of unusable fuel is actually {{convert|10|USgal|l|-1|abbr=on}}. This would have increased the useful load by {{convert|120|lb|kg|-1|abbr=on}} and allowed a full fuel crew weight of {{convert|280|lb|kg|0|abbr=on}}.<ref name="FlyingDec2007"/> |
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{{commons category|Adam A500}} |
{{commons category|Adam A500}} |
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* [http://web.archive.org/web/*/http://www.adamaircraft.com/ Adam Aircraft website archives] on [[Archive.org]] |
* [http://web.archive.org/web/*/http://www.adamaircraft.com/ Adam Aircraft website archives] on [[Archive.org]] |
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* [http://www.tritonaircraft.com/ Triton Aerospace] |
* [https://web.archive.org/web/20111015012759/http://www.tritonaircraft.com:80/ Triton Aerospace] |
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* [http://www.wings.museum.org/ Wings Over the Rockies Air and Space Museum] |
* [http://www.wings.museum.org/ Wings Over the Rockies Air and Space Museum]{{dead link|date=October 2016 |bot=InternetArchiveBot |fix-attempted=yes }} |
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{{Adam Aircraft}} |
{{Adam Aircraft}} |
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Revision as of 20:58, 3 October 2016
| A500 | |
|---|---|
| |
| Adam A500 during flight test at the Mojave Spaceport | |
| Role | Civil utility aircraft |
| National origin | United States |
| Manufacturer | Adam Aircraft Industries |
| First flight | July 11, 2002 |
| Status | Production completed |
| Number built | 7 |
| Developed into | Adam A700 |
The Adam A500 is an American six-seat civil utility aircraft that was produced by Adam Aircraft Industries. The aircraft is of pod-and-boom, push-pull configuration with its two Continental TSIO-550-E piston engines mounted to provide centerline thrust.
Design and development
The A500 was developed from the M-309 CarbonAero technology demonstrator designed by Burt Rutan and built by Scaled Composites at the Mojave Airport. The "309" designation refers to this being Rutan's 309th aircraft design. The 309 first flew in March 2000, but the aircraft has since been gutted and was used as a static display outside the Adam Aircraft Industries headquarters.[1] In 2006 the 309 was loaned to the Wings Over the Rockies Air and Space Museum and is now on display outside.
Compared to conventional twin-engine installations, the centerline thrust arrangement reduces drag and maximizes the controllability of the aircraft should one engine malfunction or fail. This engine configuration was used by the similar Cessna Skymaster. The A500 airframe is largely built of carbon fiber epoxy composite materials with a Nomex honeycomb core. Other features include cabin pressurization.
The prototype A500 first flew on July 11, 2002 and was FAA certified in May 2005.
Adam Aircraft ceased operations on 11 February 2008,[2] and filed for Chapter 7 bankruptcy on 19 February 2008,[3] having delivered seven A500s.
In April 2008 Adam Aircraft was purchased from bankruptcy by AAI Acquisition Inc. At the time of purchase this new company indicated that they would pursue certification of the A700 jet as a priority and that the A500 would not be produced due to the continuing poor market for piston-engined aircraft. AAI went out of business in April 2009 without producing any aircraft.[4][5][6]
In July 2009 there was an indication that a new buyer, Thomas Hsueh of Triton America based at Skagit Regional Airport in Burlington, Washington was interested in purchasing the A500 design and returning the aircraft to production.[7]
In April 2011 Triton Aerospace announced that they had acquired the assets of Adam Aircraft, including the aircraft type certificate and intend to return the A500 to production.[8][9]
In April 2011 Triton Aerospace announced that they will redesign the aircraft, using what Thomas Hsueh, owner of Triton Aerospace termed "proper engineering", to shed 1,000 lb (454 kg) of empty weight and recertify it with the intention of putting it back into production. The aircraft will also be changed to a turboprop, with twin engined and rear-engined-only versions. A new prototype was expected in 2013 with re-certification to follow. The company owner, Thomas Hsueh, indicated that for now production is planned for the USA, but costs may require moving the assembly line to China, or even a lower cost country, such as Mexico.[10][11]
A500 payload issues
In evaluation flights conducted in 2007 the A500 was noted as being over the projected empty weight by 1,260 lb (570 kg) or 30%.[12]
The initial design empty weight publicized in 2003 was 4,200 lb (1,910 kg), while the actual empty weight of the serial number 7 A500 was 5,460 lb (2,480 kg). Initial gross weight was to be 6,300 lb (2,860 kg), which was increased to 7,000 lb (3,180 kg). This resulted in a change of useful load from a forecast 2,100 to 1,540 lb (950 to 700 kg).[12]
With the 230 US gal (870 L) fuel tanks full, the available payload for crew, passengers and baggage is 160 lb (73 kg), down from a projected 720 lb (327 kg). This means that the A500 cannot carry full fuel and one standard weight adult male or female pilot.[12][13]
Adam Aircraft had intended to address the lack of useful load by demonstrating that the current 30 US gal (110 L) of unusable fuel is actually 10 US gal (40 L). This would have increased the useful load by 120 lb (50 kg) and allowed a full fuel crew weight of 280 lb (127 kg).[12]
Support and aircraft type club formation
The five A500s in private service have run into problems obtaining parts and at least one was reported as grounded due to parts issues in August 2008.[14]
The aircraft owners organized an aircraft type club, the A500 Owners Association, with the goal of convincing the new owners of the design at that time, AAI Acquisitions to provide parts support for the existing aircraft.[14]
AAI's head of customer support, Jan D'Angelo, responded in August 2008, saying:[14]
There's no economic model that justifies setting up a support team to support just five planes in the field. There's no critical mass to make it economically viable.
Specifications (A500)
Data from Adam Aircraft[15] and The Incomplete Guide to Airfoil Usage[16]
General characteristics
- Crew: one
- Capacity: five passengers
- Length: 37 ft 6 in (11.43 m)
- Wingspan: 44 ft 0 in (13.41 m)
- Height: 9 ft 7 in (2.92 m)
- Airfoil: NASA LS(1)-0417
- Empty weight: 5,350 lb (2,427 kg)
- Gross weight: 7,000 lb (3,175 kg)
- Fuel capacity: 230 gal (872 litres)
- Powerplant: 2 × Teledyne Continental TSIO-550E , 350 hp (260 kW) each
Performance
- Maximum speed: 225 kn (259 mph, 417 km/h)
- Cruise speed: 220 kn (250 mph, 410 km/h)
- Stall speed: 75 kn (86 mph, 139 km/h) in landing configuration with gear and flaps down
- Range: 892 nmi (1,026 mi, 1,652 km) at 75% power
- Ferry range: 1,286 nmi (1,480 mi, 2,382 km) at 45% power
- Service ceiling: 25,000 ft (7,600 m) maximum certified ceiling, 14900 feet on one engine
Notable appearances in media
See also
Related development
Aircraft of comparable role, configuration, and era
References
- ^ Adam M-309 article summary
- ^ Niles, Russ (February 2008). "Adam Aircraft Suspends Operations". Archived from the original on 17 February 2008. Retrieved 2008-02-11.
{{cite web}}: Unknown parameter|deadurl=ignored (|url-status=suggested) (help) - ^ Yamanouchi, Kelly (February 2008). "Adam Aircraft files Chapter 7". Denver Post. Archived from the original on 28 February 2008. Retrieved 2008-02-19.
{{cite news}}: Unknown parameter|deadurl=ignored (|url-status=suggested) (help) - ^ Niles, Russ (April 2008). "Court Approves Adam Sale To Russian-Backed Firm". Retrieved 2008-04-12.
- ^ AVweb Editorial Staff (August 2008). "AVwebFlash Complete Issue: Volume 14, Number 31e". Archived from the original on 5 August 2008. Retrieved 2008-08-01.
{{cite web}}: Unknown parameter|deadurl=ignored (|url-status=suggested) (help) - ^ Thurber, Matt (May 2009). "Remnants of Adam Aircraft See Final Shutdown". Retrieved 2009-05-01.
- ^ Burnside, Joseph E. (Jeb) (July 2009). "Adam A500: Push Me, Pull Me, Revive Me?". Retrieved 2009-07-29.
- ^ Triton Aerospace (April 2011). "About". Retrieved 19 April 2011.
- ^ Federal Aviation Administration (April 2010). "Type Certificate Data Sheet No. A00009DE" (PDF). Retrieved 19 April 2011.
- ^ Marsh, Alton K. (April 2011). "Adam A500 aircraft to rise again". Aircraft Owners and Pilots Association. Archived from the original on 15 May 2011. Retrieved 22 April 2011.
{{cite news}}: Unknown parameter|deadurl=ignored (|url-status=suggested) (help) - ^ Niles, Russ (April 2011). ""New" Adam 500 In The Works". AvWeb. Retrieved 20 April 2011.
- ^ a b c d MacClellan, J. Mac: Adam A500 Flying Magazine, December 2007, pages 54-55. Hachette Filipacchi Media.
- ^ Transport Canada (October 2007). "Aeronautical Information Manual 3.5 Weight and Balance Form". Archived from the original on 2007-12-06. Retrieved 2008-01-18.
{{cite web}}: Unknown parameter|deadurl=ignored (|url-status=suggested) (help) - ^ a b c Grady, Mary (August 2008). "Adam A500 Owners Organize To Lobby For Support". Archived from the original on 3 September 2008. Retrieved 2008-08-29.
{{cite web}}: Unknown parameter|deadurl=ignored (|url-status=suggested) (help) - ^ %5bhttps://web.archive.org/web/20061017032229/http://www.adamaircraft.com/specifications.asp "Archived copy"%5d. Archived from %5bhttp://www.adamaircraft.com/specifications.asp the original%5d on 2006-10-17. Retrieved 2006-09-23.
{{%5b%5bTemplate:cite web|cite web%5d%5d}}: Unknown parameter|deadurl=ignored (|url-status=suggested) (%5b%5bHelp:CS1 errors#parameter_ignored_suggest|help%5d%5d)CS1 maint: archived copy as title (%5b%5b:Category:CS1 maint: archived copy as title|link%5d%5d)%5b%5bCategory:CS1 errors: unsupported parameter%5d%5d%5b%5bCategory:CS1 maint: archived copy as title%5d%5d "A500 Performance and Specifications". Adam Aircraft. Archived from ["Archived copy". Archived from the original on 2006-10-17. Retrieved 2006-09-23.{{cite web}}: Unknown parameter|deadurl=ignored (|url-status=suggested) (help)CS1 maint: archived copy as title (link) the original] on 2007-10-16. Retrieved 2006-09-23.{{cite web}}: Check|archiveurl=value (help); Check|url=value (help); templatestyles stripmarker in|archiveurl=at position 43 (help); templatestyles stripmarker in|url=at position 1 (help) - ^ Lednicer, David (March 2010). "The Incomplete Guide to Airfoil Usage". Archived from the original on 20 April 2010. Retrieved 7 May 2010.
{{cite web}}: Unknown parameter|deadurl=ignored (|url-status=suggested) (help)
External links
