Triumph Spitfire MK3 Handbook page 76

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Fuses
35 amps.
Battery-Type
Lucas D.9
Capacity at 20 hr. rate
40 amps. Hour
Plates per cell
9
Normal charging rate
3.5 amps.
Generator
Lucas C.40-1.
Output
264 watts.
Control box
Lucas RB.430.
Flasher unit
Lucas FL.5.
Fuel and temperature
Bi-metal type, 10 volt system
indication
Oil pressure switch
4.5/7.5 p.s.i. (0.32/0.53 kg/cm
operating pressure
Transmission
Clutch
Diaphragm type. 6 in. dia. (165 mm.)
Gearbox
4 speed constant mesh. Synchromesh on
2nd, 3rd and Top.
Top
Ration
Overall ratios
4.11
Overdrive {optional)
Laycock de Normanville. Operates on
3rd and Top gears. Ratio 0.802:l
Rear axle
Swing axle. Centre rubber mounted to
chassis. Hypoid bevel drive. Ratio 4.1l
to 1.
st
3rd
2nd
1
1
1.39
2.16
5.73
8.87
Wheels
Tyres
Pressures
Brake System
Front
Rear
3
)
Front lining area
Front swept area
Rear lining area
Rear swept area
Total lining area
Total swept area
Maximum retardation
& Rev.
3.75
15.40
Chassis Data
Frame
Wheelbase
Track - Front
- Rear
Ground clearance
GENERAL SPECIFICATION
Pressed steel disc type 3 ½ D rim. Wire
spoked wheels (optional).
5.20S-13 Tubeless.
1.45-l3 Radial ply (optional).
See Page 25.
Girling hydraulic. Centrally mounted
"fly-off" handbrake coupled
mechanically to rear wheels only.
Caliper disc 9 in. dia. (229 mm.).
Drum 7 in. dia. (178 mm.) x 1
(31.7 mm.) wide.
2
l4.8
in
95
2
150
in
962
2
34
in
225
2
55
in
353
2
48.8
in
314
2
205
in
1316
0.98 g. equivalent to stopping from
30 m.p.h. (48 k.p.h.) in 31 ft. (9.45 m.)
Double backbone of closed channel
section with channel outriggers.
6ft. 11
in.
2110 mm.
4 ft. 1
in.
1245 mm.
4ft.
1220mm.
5 in.
125 mm.
1
/
in.
4
2
cm
2
cm
2
cm
2
cm
2
cm
2
cm
75

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