Aston Martin DB6

Aston Martin DB6
Aston Martin Volante

1967 Aston Martin DB6 MkI
Overview
Manufacturer Aston Martin
Production 1965–1970
1,788 produced
Body and chassis
Class Grand tourer (S)
Body style DB6 2-door coupé 2+2
Volante four-seat convertible
Layout FR layout
Powertrain
Engine

DOHC Straight six, 3995 cc, 282 bhp @ 5500 rpm

280 lbs-ft @ 4500 rpm
Transmission ZF 5-speed overdrive manual or Borg-Warner 3-speed automatic
Dimensions
Wheelbase 101.5 in (2,578 mm)[1]
Length 182 in (4,623 mm)[2]
Width 66 in (1,676 mm)
Height 53.5 in (1,359 mm)
Curb weight 3,250 lb (1,474 kg)[3]
Chronology
Predecessor Aston Martin DB5
Successor Aston Martin DBS

The Aston Martin DB6 is a grand tourer made by British car manufacturer Aston Martin. Produced from September 1965 to January 1971, the DB6 had the longest production run up to that date of any Aston Martin model.[4] The DB6 succeeded the Aston Martin DB5 and featured improved aerodynamics and specification over its predecessor.

History and design

After Aston Martin rejected proposals for a replacement for its DB5 from Touring of Milan, the decision was made to focus on their own development car, registered 4 YMC. Wind tunnel testing, begun in February 1965, showed development was necessary to counteract a tendency toward aerodynamic lift [a result of the fastback styling] causing reduced rear-wheel traction at high speed. Final development phases relied upon DB5 chassis, suitably lengthened and titled MP 219, with rear lip-spoiler and abbreviated Kammback tail Aston Martin previously incorporated in sports-racing prototypes. The decision was made to produce MP 219 as the Aston Martin DB6 although the prototype de Dion rear axle was rejected, Aston's soldiering on with its well-located live-axle configuration reducing time to market, cost and complexity.

Introduced at the 1965 London Motor Show, the DB6 was already a dated design[5] notable as the first model engineered following a factory relocation from Feltham to Newport Pagnell. The DB6 has a resemblance to its predecessor, the DB5; with the most noticeable differences being its wheelbase, side profile, split front and rear bumpers and rear panels incorporating the Kammback tail rear end. The tail, combined with the relocated rear-axle and the 3.75-inch (95 mm) lengthened wheelbase, provide more stability at high speed. Though fashionable — the rear-end Kamm-styled design was similar to the Ferrari 250 — it did not prove popular with conservative, tradition oriented Aston clientele when the DB6 was introduced. Performance was satisfactory: road-tests of the day observed top speed of the Vantage model between 145 mph (233 km/h) to 148 mph (238 km/h), with John Bolster aboard a Vantage spec DB6 reaching a two-way average of 152 mph (245 km/h).[6]

The DB6 continued with then high-tech Armstrong Selectaride cockpit-adjustable rear shock absorbers as available on the DB5.[7] Other highlights include adopting front-door quarter windows, an oil-cooler air scoop low on the front valance, quarter-bumpers at each corner, revised tail-lamp clusters; additionally the spoiler affected the overall proportions of the DB6, with an increase in length by approximately two inches.

Other notable changes:

Another major change from the DB5 to DB6 was abandonment of the full superleggera construction technique patented by coachbuilders/stylist Touring of Milan. For later DB6's construction, the more common body-on-platform technique was used; this was primarily due to the extended rear requiring a stronger and more rigid design using folding sheet metal frames. Surprisingly the modifications combined to add only seventeen pounds weight compared to the DB5.[8]

Specifications

Aston Martin DB6 pictured in London

The DB6 is powered by the 3,995 cc (243.8 cu in) twin-overhead camshaft (DOHC), in-line six-cylinder Aston Martin engine designed by Tadek Marek. The engine, continued with its triple SU carb setup[9] producing 282 bhp (210 kW; 286 PS) at 5,500 rpm; the Vantage engine option is quoted at 325 bhp (242 kW; 330 PS) against the 314 bhp (234 kW; 318 PS) of the DB5. Although the weight of the DB6 was approximately 17 lb (7.7 kg) heavier than its predecessor, the stability at high speed, added luggage capacity and comforts for passengers in this grand tourer more than offset any imperceptible loss in performance caused by additional weight. The rear suspension used helical coil springs with ride control that was adjustable from inside the car.[10]

Later models and variants

1967 DB6 Vantage
1967 Aston Martin Volante, DB6-based, Vantage-specs

The DB6 Mark II was announced on 21 August 1969, identified by distinct flares on front and rear wheel arches and wider tyres on 1/2" wider wheels. Available as an optional extra for the Mark II was AE Brico electronic fuel-injection combined with the higher compression ratio cylinder head. The Mark II edition shared many parts with the then-new DBS.

As with previous Aston Martin models, a high-power DB6 Vantage was offered. It was equipped with three Weber carburetors and higher compression ratio cylinder head.

A convertible body style was also offered, named the Volante.[11] [12] This was introduced at the 1966 London Motor Show. The DB6-based Volante succeeded the earlier (1965–1966) Volantes which were built on the last of the DB5 chassis' and were known as "short chassis" Volantes. Of the later DB6-based Volantes just 140 were built, including 29 high-output Vantage Volante versions, highly prized by collectors.

Charles, Prince of Wales, owns a DB6-based Volante MkII that has been converted to run on bioethanol.[13][14] The car was given to him by his mother on his 21st birthday.[14]

Shooting Brake

A total of six-seven DB6 Shooting-brakes were produced by British coachbuilder Harold Radford.[15][16] The engine options (282 and 325 hp) were the same as for the DB6 Saloon.

References

  1. ↑ Cardew, Basil (1966). Daily Express Review of the 1966 Motor Show. London: Beaverbrook Newspapers Ltd.
  2. ↑ http://storm.oldcarmanualproject.com/astonmartin/Aston%20Martin%20DB6%2013.jpg
  3. ↑ L. A. Manwaring, The Observer's Book of Automobiles (12th ed., 1966) lists the kerb weight (which includes full fuel, cooling liquid and oil) as 3,250 lb
  4. ↑ "Motorweek: Aston DB6: the end of the road". Motor. Vol. nbr 3573. 2 January 1971. p. 52.
  5. ↑ Chris Harvey and The Oxford Illustrated Press, Ltd, Aston Martin and Lagonda, Ch.VI, pg. 73, ISBN 978-0-902280-68-7
  6. ↑ Chris Harvey and The Oxford Illustrated Press, Ltd, [Somerset, UK] Aston Martin and Lagonda, 1979; Ch.VI, pg. 70–75,
  7. ↑ C. Harvey and TOI Press, Ltd, Aston Martin and Lagonda, Ch.VI, pg. 69,
  8. ↑ C. Harvey, TOI Press, Ltd, Aston Martin and Lagonda, Ch.III, pg 27,
  9. ↑ Chris Harvey et al Aston Martin and Lagonda, Ch.VI, pg. 72
  10. ↑ http://storm.oldcarmanualproject.com/astonmartin/Aston%20Martin%20DB6%2012.jpg
  11. ↑ Aston Martin DB6 and Volante sales brochure, www.tocmp.org Retrieved on 15 February 2015
  12. ↑ The Observer's Book of Automobiles, Fifteenth Edition, 1969, page 43
  13. ↑ Lienert, Paul (29 April 2011). "Prince William Drives Aston Martin DB6 Away From Royal Wedding". Edmunds Inside Line. Edmunds. Retrieved 2011-10-16. ...the royal couple then surprised the throngs of well-wishers with an impromptu spin around town in Prince Charles's car – a 42-year-old Aston Martin DB6 Volante MkII.
  14. 1 2 Brown, Laura Sky (2 July 2008). "Vintage Car: Prince Charles's Aston Martin DB6 Fueled by Wine". Edmunds Inside Line. Edmunds. Retrieved 2011-10-16. The royal received the car as a 21st-birthday gift from his mother, Queen Elizabeth II, the paper reported. Charles only drives the vehicle some 300 miles per year, but it also averages 10 mpg. Now those gallons are the green kind, bioethanol from biofuel company Green Fuels, which sources it from good old British grapes.
  15. ↑ Peter Hingston (2008). The Enthusiasts' Guide to Buying a Classic British Sports Car. p. 30. ISBN 0-906555-25-6.
  16. ↑ David Dowsey (2007). Aston Martin: Power, Beauty and Soul. Images Publishing. p. 101. ISBN 0-9578759-5-9.

External links

Aston Martin Lagonda road car timeline, 1948–present
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City Car Cygnet
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2.6 ltr 3 ltr Rapide Lagonda Taraf
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Limited Production One-77 Vulcan
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