Optare Delta

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Optare Delta
Barton J306 BVO at Showbus.jpg
Barton Buses Optare Delta at Showbus 1991 at Woburn Abbey
Overview
Manufacturer Optare
Production1988 - 1999
Assembly Cross Gates, Leeds, England
Body and chassis
Doors1 - 3
Floor type Step entrance
Chassis DAF SB220
Related Optare Sigma
Powertrain
Engine DAF LC1160
Capacity47-53 seated, 24 standing
Transmission ZF Ecomat 4HP500 4-speed automatic
ZF Ecomat 5HP500 5-speed automatic
Dimensions
Length11.95 metres (39.2 ft)
Width2.50 metres (8 ft 2 in)
Height3.00 metres (9.84 ft)
Chronology
Successor Optare Excel

The Optare Delta was a single-deck bus body manufactured by Optare between 1990 and 1999 on the DAF SB220 chassis. The Delta was Optare's first full-size transit bus body, with the company having previously built minibus bodies on Volkwagen LT55 and Mercedes-Benz 811D chassis. The Delta was succeeded by the Optare Excel from 1995 onwards, with production of the Delta body ceasing in 1999.

Contents

Design

First announced in early 1988, [1] the Optare Delta was formally launched as the first body for the UK market to be fitted to the DAF SB220 chassis in June 1988. The Delta bodywork featured a distinctive sloping one-piece windscreen with a separately mounted destination display, as well as gasket glazed tinted windows in the passenger cabin, [2] and was constructed with an Alusuisse bolted aluminium frame, which Optare had gained the exclusive rights to use in Great Britain. At a length of 11.6 metres (38 ft), the Delta was marketed to three configurations: as a standard city bus, carrying 53 seated and 24 standing passengers, or to either city or intercity specification with 47 passengers seated hard plastic seats. [3]

The Delta was powered by a DAF LC1160 11.6 litres (2.6 imp gal; 3.1 US gal) turbocharged six-cylinder engine, and it could be optioned with either ZF Ecomat 4HP500 or 5HP500 automatic gearbox. The Delta's front suspension could "kneel", allowing the 310 millimetres (12 in) entrance step to lower to a height of 200 millimetres (7.9 in), [2] while air springs and a centrally-mounted steering column, unusual for British buses at the time, were also provided. [3]

Production of the Delta eventually ceased in 1999, around the time the second-generation low-floor Optare Excel began entering production. [4] [5] [ page needed ]

Articulated designs

The Delta's design was originally utilised by Optare as part of proposals for a trolleybus system in Leeds. [2] Though the trolleybus proposal did not progress further, Optare instead redesigned the bus to be a diesel double-fronted articulated bus on DAF SB220 chassis. A mock-up bus was built, and an order for 12 articulated Deltas was considered in 1992 by Go-Ahead Northern when the operator proposed a guided busway serving Newcastle upon Tyne and Sunderland, [6] however no orders resulted due to the busway never being approved.

An articulated Optare Delta was eventually developed by vehicle fitters Sutrak UK and BTSE 2000 in 1992, designed for use as a European roadshow vehicle by American multi-level marketing company Amway. Named the 'Amway Showcase', the vehicle was built on a left-hand drive MAN articulated chassis and LAG Panoramic coach framework, using a combination of Bova Futura coach mouldings, the Optare Delta's front fascia and the LAG Panormaic's rear fascia. Internally, the Amway Showcase featured a broadcasting studio, a portable stage, a NICAM stereo video system, and an IBM AS/400 computer for demonstrating Amway's customer support system. [7] This bus was exported to Ireland for use by Dublin radio station FM104 in May 1996, however the bus was eventually scrapped after the collapse of its suspension frame had rendered it inoperable. [8]

Operators

Preserved Blackpool Transport Optare Delta on the Blackpool Promenade in July 2021 Vehicles in the United Kingdom 115.jpg
Preserved Blackpool Transport Optare Delta on the Blackpool Promenade in July 2021
Preserved Northumbria Motor Services Optare Delta at the MetroCentre in Gateshead in May 2009 Northumbria bus 251 (G251 SRG), 2009 Metrocentre bus rally (2).jpg
Preserved Northumbria Motor Services Optare Delta at the MetroCentre in Gateshead in May 2009

The combined Trentbarton companies were the largest purchaser of Optare Deltas, purchasing a total of 51 between 1991 and 1993, [9] with all but ten being delivered to Trent Buses, predominantly for use on the operator's Rainbow Routes network. [10] [11]

The second largest operator of Deltas was British Airways, who purchased 49 of the type between 1990 and 1993 for airside passenger transfer services at Heathrow Airport. These Deltas were unique in having three entrance doors, with a centre offside exit door situated opposite a nearside exit door, reducing seating capacity to up to 40 passengers; [12] [13] a batch of six Deltas delivered for use on a ten-minute landside shuttle between Terminal 1 and Terminal 4 had their doors sealed by HM Customs and Excise on each journey to eliminate the need for re-checking passengers and luggage at the destination terminal. [14]

London Regional Transport's London Buses business units took delivery of 35 Deltas between 1990 and 1992, with most being built to dual-door configuration. After initial examples were bought for evaluation by London General and East London in 1989, [15] 19 dual-door Deltas were delivered to East London in April 1992, [16] Prior to this, seven Deltas were also delivered to Westlink in 1990.[ citation needed ]

Go-Ahead Northern first took delivery of 14 Deltas in 1989, [17] which were followed by an additional five in 1990. [18] Competing operator Northumbria Motor Services took delivery of 17 between 1989 and 1990, [19] [20] while elsewhere in the North East of England, other operators included United Automobile Services, [21] OK Motor Services and Teesside Motor Traction. [22]

Other notable operators of the Optare Delta included PMT of Stoke-on-Trent, taking delivery of nine in 1990, [23] [24] Blackpool Transport, who first purchased eight Deltas in 1990, [25] going on to purchase 20 more between 1991 and 1993,[ citation needed ] Ipswich Buses, who took its first Delta in 1991, [26] following with another four delivered in 1994, [27] and Fylde Borough Transport, who took three Deltas in 1991. [28] Among the Delta's final customers were Reading Buses, who after first purchasing ten Deltas in 1989, took delivery of its final ten between 1995 and 1996. [29]

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References

  1. ↑ "Single deck Optare on the way". Commercial Motor . Temple Press. 18 February 1988. p. 16. Retrieved 31 January 2021.
  2. 1 2 3 Weatherley, Brian (18 May 1989). "Split personality". Commercial Motor. Temple Press. pp. 68–72. Retrieved 25 July 2024.
  3. 1 2 "Optare launches Delta city bus". Commercial Motor. Temple Press. 2 June 1988. p. 21. Retrieved 25 July 2024.
  4. ↑ "Daughters of Delta". Buses . No. 690. Stamford: Key Publishing. September 2012. pp. 38–39.
  5. ↑ Jenkison, Keith (2020). The History of Optare. Stroud: Amberley Publishing. ISBN   978-1445696942.
  6. ↑ "Northern alights on artic". Commercial Motor. Temple Press. 5 March 1992. p. 16. Retrieved 25 July 2024.
  7. ↑ Jones, Stuart (13 March 1992). "Sutrak UK, winning new converts all the time". Bus & Coach Buyer. No. 146. Spalding. pp. 6–8.
  8. ↑ Stazicker, Daniel (9 March 2022). "More on Optare Delta" . Buses. No. 805. Stamford: Key Publishing. Retrieved 20 January 2022.
  9. ↑ Jarosz, Andrew (12 September 1992). "Trent back in Volvo fold". Coach & Bus Week . No. 55. Peterborough: Emap. p. 6. Retrieved 24 July 2024.
  10. ↑ "Trent's success sticks". Coach & Bus Week. No. 5. Peterborough: Emap. 21 March 1992. p. 12.
  11. ↑ "20 Deltas modernise Wellglade's fleet". Bus & Coach Buyer. No. 129. Spalding. 1 November 1991. p. 16.
  12. ↑ "BA fleet revamp". Commercial Motor. Temple Press. 19 July 1990. p. 16. Retrieved 25 July 2024.
  13. ↑ "Optare captures £4.5m Vecta order". Commercial Motor. Temple Press. 1 October 1992. p. 16. Retrieved 25 July 2024. Optare also has a repeat order for 22 three-door Deltas from British Airways, joining 23 already used at London Heathrow.
  14. ↑ "Door-sealed Deltas". Coach & Bus Week. No. 25. Peterborough: Emap. 8 August 1992. p. 15.
  15. ↑ "Second Delta for LB". Commercial Motor. Temple Press. 15 June 1989. p. 18. Retrieved 25 July 2024.
  16. ↑ "Deltas in service". Coach & Bus Week. No. 10. Peterborough: Emap. 25 April 1992. p. 7. Retrieved 24 July 2024.
  17. ↑ "Go-Ahead goes for Daf Deltas". Commercial Motor. Temple Press. 17 August 1989. p. 20. Retrieved 25 July 2024.
  18. ↑ "GAN shuttle upgraded". Commercial Motor. Temple Press. 10 May 1990. p. 29. Retrieved 25 July 2024.
  19. ↑ "Disabled buses receive approval". Commercial Motor. Temple Press. 15 March 1990. p. 23. Retrieved 25 July 2024.
  20. ↑ "More Deltas for NMS". Commercial Motor. Temple Press. 21 June 1990. p. 20. Retrieved 25 July 2024.
  21. ↑ "Tiger trials at United Auto". Commercial Motor. Temple Press. 19 July 1990. p. 16. Retrieved 25 July 2024.
  22. ↑ "Seven Deltas for OK Travel". Bus & Coach Buyer. No. 157. Spalding. 29 May 1992. p. 10.
  23. ↑ "PMT replaces its double-decker fleet". Commercial Motor. Temple Press. 9 August 1990. p. 17. Retrieved 25 July 2024.
  24. ↑ "Paul's return trip to where bus was built". The Sentinel . Hanley. 21 December 2012. Archived from the original on 24 September 2012. Retrieved 31 January 2021.
  25. ↑ "Single-decks to Blackpool". Commercial Motor. Temple Press. 26 April 1990. p. 21. Retrieved 25 July 2024.
  26. ↑ "Ipswich Buses gets first Delta". Coachmart . No. 651. Peterborough: Response Publishing. 8 August 1991. p. 13.
  27. ↑ "Grants for upgrade". Coach & Bus Week. No. 61. Peterborough: Emap. 17 April 1993. p. 7. Retrieved 24 July 2024. Three Dennis Lance with East Lancs bodywork and two, possibly three, Optare Deltas, are due for January delivery.
  28. ↑ "Fylde chooses full-size deckers". Coachmart. No. 641. Peterborough: Response Publishing. 30 May 1991. p. 11.
  29. ↑ Jarosz, Andrew (8 June 1996). "Deltas 'transform rural services'". Coach & Bus Week. No. 221. Peterborough: Emap. p. 8. Retrieved 16 August 2024.

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