Lightburn Zeta Technical Specifications |
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- Years of Manufacture: 1963 - 1966
- Number Built: n/a
- Chassis/Body:
- Steel backbone chassis bonded to glassfibre body
- Wheelbase: 6 ft 2 in.
- Track, front: 3 ft 6 ins.
- Track, rear: 3 ft 8 ins.
- Length: 10 ft 1 in.
- Width: 4 ft 6 ins.
- Height (unladen): 4 ft 8 ins.
- Kerb Weight:
- Kerb (with fuel and water) 11201b
- Fuel Tank:
- Fuel tank capacity (maker's figure): 5 gals
- Performance:
- Top Speed: 60 Claimed / 50 mph Achieved
- Maximum Speed in Gears:
- First 18 mph
- Second 31 mph
- Third 40 mph
- Top 50 mph
- Acceleration:
- Standing quarter mile: 31.3 secs
- 0 to 30 mph 11.6 sees
- 0 to 40 mph 25.3 sees
- 0 to 50 mph 1 min 14.4 sees
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- Transmission (Manual, 4 Speed):
- 4-speed constant mesh, integral with engine
- Gear lever location Column
- Ratios, overall:
- 1st: 21.1
- 2nd: 11.7
- 3rd: 8.18
- 4th: 5.28
- Final drive Bevel gear, 5.28 to 1
- Fuel Consumption:
- Performance:
- Standing Quarter Mile (400 metres): 18.1 seconds
- Engine (2 Cylinder):
- Capacity: 324 cc (19.75 cu in.)
- Type: 2 Stroke - Two Cylinders in line
- Valves: Nil
- Configuration:
- Bore and Stroke: 57 mm by 63.5 mm
- Fuel : 1 in 8 petrol/oil mix
- Power at rpm (gross): 16.5 at 5000
- Torque: NA
- Compression Ratio: 7.25 to 1
- Suspension:
- Front: Independent, coils and wishbones
- Rear: Independent trailing arms,
rubber in compression Dampers Telescopic
- Steering:
- Alford and Alder Rack-and-Pinion
- Brakes:
- Girling disc front, drum rear (no servo)
- Front: 9.75 in. dia.
- Rear: 8.0 in. dia., 1.5 in. shoes
- Wheels:
- Pressed steel disc wheels
- 4 stud fixing
- 4.5 in. wide rim
- Tyres:
- Size 4.20 by 12
- Michelin X
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A design that was perfect for South East Asia, or if you lived next to the beach. |
The Zeta was far from attractive, and the fibreglass
shell prohibited the use of a tailgate despite the car
looking very much as though it in fact had one! The
familiar Villiers 324cc twin powered the front wheels. The advertising campaign ensured Harold's message was
conveyed, when the Zeta was marketed as "Australia's
own second car".
The Zeta was to employ a lightweight,
simple and cost effective design - something so simple
that a whitegoods manufacturer operating out of Camden
Park in suburban Adelaide would be able to manufacture. The problem for Harold was that other manufacturers
had also seen the need to bring smaller, cost efficient
models to market - and they already had design engineers
at the ready, and ample parts bins from which to source
material. One such manufacturer was BMC, who released Alec
Issigonis masterpiece Mini around the same time as the
humble Zeta.
It comes as little surprise that the Australian
public did not take to the Zeta, and a mere 363 were
able to find a place in the Aussie garage. Technically, the Zeta was an oddity. The gearbox setup
meant that the car could go as fast in reverse as it
could forward, at a death-defying 60 mph! But to prove
to the public that the Zeta was indeed a reliable and
well manufactured car, it was entered into the 1964
Ampol 7000 mile cross-country trial. Many assumed the
little car would fall apart after a few hundred miles,
however it would win over many critics by putting in
a stellar performance. Nevertheless, the public simply did not warm to the
idea of a tiny, 2 cylinder car with virtually no boot
space and an interior featuring a dashboard made out
of a cardboard like material.
Also see: Lightburn Zeta Reviews |
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