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828:. Externally, there is a shortened bonnet and disc wheels, as well as fixed sides to the bonnet. The fenders were also redesigned, becoming curvier and deeper. The steering box also received alterations, mainly aimed at centering it in the chassis so as to simplify manufacturing alternately right-hand or left-hand driven examples. The 4AB continued in production alongside the larger 4AD until January 1953.
556:
to have improved the handling. Better engine mounts and other isolations were introduced, providing a smoother ride and lessening maintenance. Cars began to filter out to the dealers in
September 1946. Nearly all post war production was exported the car being popular with the Elite in India and featured in the collections of a few Maharaja's.
532:
The makers claimed a top speed of 70 mph (110 km/h) and acceleration: 0 to 30 mph (48 km/h) in 6 seconds and 0 to 50 mph (80 km/h) in 18 seconds. Standard equipment included a spring steering wheel, concealed spare wheel, 12-volt electrical system and windscreen wipers.
200:
gearbox. The short lived 4AB and 4AC models were released in 1950 followed by the 4AD SM Roadster in 1951. Singer
Roadsters competed with the MG T series. The flowing lines of the car made it one of the most attractive roadsters in the market. The last cars were made in 1955. A few special Singer 4A
555:
The successful
Roadster re-appeared following the war, in 1946, with these modifications: non-lubricated rubber shackle bushes, improved seating accommodation provided by moving the engine forward and an improved lid at the rear of the body providing a flat platform for luggage. These changes seem
714:
used on the previous car, adding one extra horsepower. The driving position was also improved, with easier entry and egress, and the Nine
Roadster's awkward gearchange was ameliorated as the gearbox was moved back. The bumpers on the 4A are slightly larger, stronger, and rounded towards the tips.
513:
for use when the windscreen was folded flat to reduce frontal area. A fitted suitcase was supplied to take full advantage of the usable space in the luggage compartment. Performance was handicapped by the use of the Bantam's three speed gearbox and top speed was in the order of 65 mph
1331:
970:
magazine in 1951 had a top speed of 73 mph (117 km/h) and could accelerate from 0-60 mph (97 km/h) in 23.6 seconds. A fuel consumption of 25.8 miles per imperial gallon (10.9 L/100 km;
509:, as well as having slightly higher compression. For 1940 sliding glass panels replaced the celluloid in the sidescreens along with other equipment improvements. A chromed front bumper was now standard as were twin
963:
Although early 4AD production was still all for export, with the smaller 4AB being regularly available in the United
Kingdom, from 1953 1.5 litre cars became available on the domestic market as well.
529:, the Ulster TT. In that era the TT was a handicap and won by either MG or Riley. Unlike the Le Mans the Roadster was designed and built so it could be sold at a moderate price.
831:
The prototype 4AC (built in about a dozen examples) used a slightly larger 1194 cc engine. This was a down-sleeved version of the 1.5 litre version as fitted to the
196:
then restarted with the engine moved forward, more interior space and other minor modifications. The
Roadster was upgraded to the 4A model in 1949 with a 4-speed
960:
engine option was offered from 1953. The 4AD can be told apart from a 4AB by its larger, rounder bumpers, as well as bigger taillights mounted on long stalks.
1023:
956:
saloon fitted to a virtually unchanged chassis and body, retaining the hydraulic/mechanical hybrid braking system. A 58 hp (43 kW) twin
1083:
1035:
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used in the Bantam range but tuned slightly to give 36 hp (27 kW) at 5000 rpm by fitting a high efficiency "hot-spot"
1445:
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model" though the Singer sports-racing link remained deliberately muted after the death of 8 spectators in
September 1936's
948:
The final version of the
Roadster, the 4AD, was officially known as the Singer SM Roadster. First seen at the October 1951
1332:
1953 Singer SM 1500C - 1497 c.c. Overhead Cam Engine ~ Rare
Original Print Ad, www.ebay.ie, as archived at web.archive.org
820:
By
October 1950 the further improved 4AB Roadster appeared. While superficially similar, this has an independent front
1570:
838:
952:
it was initially intended for export only. It used the 48 hp (36 kW), 1497 cc engine from the
575:
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1954 Singer SM Roadster series 4AD, showing the fixed bonnet sides with a divided central portion
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body. Displayed at the Earls Court Motor Show in October 1953 probably around 10 were made.
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The original Roadster was an occasional four-seat, two-door tourer, mostly based on the
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from 1939 until 1955. It was launched in March 1939 as an open version of Singer's
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saloon with a cheery character. It had Singer's overhead camshaft, 1074 cc
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After less than six months production was suspended for the duration of
1531:
Singer Nine Roadster advertisements 1946 - 1955 at www.car-brochures.eu
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model in September 1949 by fitting the four speed gearbox from the
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For 1946 the engine was moved forward leaving more passenger space
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by coil springs and a hybrid, "hydro-mechanical" brake system by
61:
12,700 approx produced out of which 63 coach built by James Young
776:
419:
1403:
The Enthusiasts' Guide to Buying a Classic British Sports Car
517:
Advertising copy incorporated "from the inspiration of the
540:
panels fixed to a wooden framework. The suspension used
177:
is a nine tax horsepower open 2/4-seater sports-tourer
835:, and part of an attempt rationalize Singer's lineup.
1376:"Service Data No 215, Singer SM Roadster Series 4AD"
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1517:, Wednesday, 21 October 1953; pg. 4; Issue 52758.
1241:, Saturday, 14 September 1946; pg. 2; Issue 50556
201:car bodies were made by coach maker James Young.
847:Singer SM Roadster series 4AD 1½-litre 1951-1955
536:The body was built in the traditional method of
1504:, Thursday, 1 January 1953; pg. 4; Issue 52508.
1215:, Wednesday, 16 August 1939; pg. 8; Issue 48385
1440:, Iola, WI: Krause Publications, p. 174,
1370:
1368:
1171:, Friday, 21 February 1936; pg. 8; Issue 47304
719:Singer 9 Roadster series 4AB and 4AC 1950-1953
8:
1406:. Hingston Publishing Company. p. 184.
1228:, Friday, 10 August 1945; pg. 7; Issue 50217
975:) was recorded. No price was quoted for the
429:carburettor, electric fuel pump on dashboard
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1460:Sedgwick, Michael; Gillies, Mark (1993).
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302:Reciprocating internal combustion engine
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1437:Standard Guide to British Sports Cars
695:The Roadster was updated to the 1950
588:Singer 9 Roadster series 4A 1949-1950
189:saloon and using many Bantam parts.
7:
1482:. North American Singer Owners Club
1313:. North American Singer Owners Club
1287:. North American Singer Owners Club
1261:. North American Singer Owners Club
1193:. North American Singer Owners Club
1078:Veloce Publishing Dorchester 2007.
544:and was non independent with rigid
870:1954 Singer SM Roadster series 4AD
399:detachable compression ratio 6.9:1
14:
1347:A to Z of British Cars 1945-1980
1034:
1022:
1013:This experimental version had a
1134:"The Singer SM1500 Road Test".
842:registered January 1951 1074 cc
1:
1104:. Devon, UK: Bay View Books.
979:as it was for export only.
685:Singer 9 Roadster series 4AC
681:Singer 9 Roadster series 4AB
552:were mechanically operated.
409:overhead camshaft and valves
934:Singer 9 Roadster series 4A
804:Singer 9 Roadster series 4A
744:registered May 1952 1074 cc
294:Singer 9 Roadster series 4A
205:Singer 9 Roadster 1939-1949
128:151 in (3,835 mm)
1602:
1541:9 Roadster series 4AB 1952
1536:9 Roadster series 4AB 1951
1187:"The Singer Nine Roadster"
1100:Sedgwick, Michael (1993).
144:58 in (1,473 mm)
136:58 in (1,473 mm)
120:91 in (2,311 mm)
863:
758:October 1950-January 1953
735:
611:9 Roadster series 4A 1950
604:
464:36 @ 5,000 rpm Tax 8.93HP
219:
28:
1400:Hingston, Peter (2007).
1009:Singer SMX Roadster 1953
812:none. Singer SM Roadster
1576:Cars introduced in 1939
1351:. Devon, UK: Herridge.
1343:Robson, Graham (2000).
884:Singer SM 1500C (USA)
1434:Gunnell, John (2004),
1001:
991:
843:
814:remained in production
580:
570:
226:1948 Singer 9 Roadster
35:1947 Singer 9 Roadster
1462:A-Z of Cars 1945-1973
1102:A-Z of Cars 1945-1970
1029:SMX No. 2 registered
999:
989:
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742:9 Roadster series 4AB
578:
566:
388:iron, 2 main bearings
331:Singer Motors Limited
50:Singer Motors Limited
1140:. 26 September 1951.
548:front and rear. The
285:Singer Bantam tourer
158:Singer Bantam tourer
1237:Singer Motors Ltd.
449:natural circulation
1476:"The 4AD Roadster"
1307:"The 4AC Roadster"
1281:"The 4AB Roadster"
1224:Singer Car Models.
1002:
992:
909:1497 cc 48 bhp I4
844:
731:series 4AB and 4AC
581:
571:
523:RAC Tourist Trophy
499:inline-four engine
1513:More New Models.
1255:"The 4A Roadster"
1084:978-1-874105-52-7
1006:
1005:
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911:1497 cc 58 bhp I4
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671:Singer 9 Roadster
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514:(105 km/h).
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1556:SM Roadster 1955
1551:SM Roadster 1953
1546:SM Roadster 1951
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1211:Cars Of To-Day.
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1167:Cars Of To-Day.
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1076:The Singer Story
1074:Kevin Atkinson,
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966:A car tested by
950:Paris Motor Show
881:Also called
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775:1074 or 1194 cc
760:1000 approx made
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505:and downdraught
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181:manufactured by
80:Body and chassis
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1571:Singer vehicles
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1500:News in Brief.
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1525:External links
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1464:. p. 180.
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18:Motor vehicle
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917:Transmission
830:
819:
787:Transmission
696:
694:
651:Transmission
554:
542:leaf springs
535:
531:
527:Ards Circuit
516:
511:aero screens
492:
460:Power output
425:downdraught
353:Displacement
326:Manufacturer
312:
309:
264:Transmission
194:World War II
191:
174:
172:
46:Manufacturer
15:
1015:glass fibre
958:carburettor
931:Predecessor
857:SM Roadster
801:Predecessor
708:carburettor
668:Predecessor
478:Singer Nine
474:Predecessor
347:inline four
315:Singer Nine
281:Predecessor
154:Predecessor
92:convertible
1586:1950s cars
1581:1940s cars
1565:Categories
1486:3 November
1317:3 November
1291:3 November
1265:3 November
1197:3 November
1047:References
926:Chronology
899:Powertrain
889:Production
859:series 4AD
822:suspension
796:Chronology
765:Powertrain
755:Production
729:9 Roadster
663:Chronology
632:Powertrain
622:Production
598:9 Roadster
469:Chronology
435:Oil system
414:Combustion
405:Valvetrain
276:Chronology
245:Powertrain
237:Production
215:9 Roadster
179:automobile
149:Chronology
110:Dimensions
56:Production
1515:The Times
1502:The Times
1239:The Times
1226:The Times
1213:The Times
1169:The Times
1137:The Motor
1000:dashboard
973:‑US
968:The Motor
939:Successor
894:3440 made
892:1951-1955
809:Successor
687:see below
676:Successor
627:4122 made
625:1949-1950
600:series 4A
538:aluminium
484:Successor
296:see below
291:Successor
240:1939-1949
164:Successor
116:Wheelbase
104:FR layout
59:1939–1955
1480:Profiles
1311:Profiles
1285:Profiles
1259:Profiles
1191:Profiles
876:Overview
750:Overview
655:4-speed
642:1074 cc
617:Overview
503:manifold
396:material
385:material
320:Overview
268:3-speed
255:1074 cc
232:Overview
70:Coventry
66:Assembly
41:Overview
1419:23 June
1385:23 June
826:Girling
579:Postwar
519:Le Mans
357:1074 cc
308:Engine
90:2-door
74:England
1444:
1410:
1355:
1108:
1082:
954:SM1500
905:Engine
771:Engine
657:manual
638:Engine
567:Prewar
550:brakes
495:Bantam
454:Output
439:forced
422:system
337:Layout
313:Bantam
270:manual
251:Engine
198:manual
187:Bantam
183:Singer
141:Height
125:Length
99:Layout
1379:(PDF)
705:Solex
546:axles
133:Width
1488:2014
1442:ISBN
1421:2014
1408:ISBN
1387:2014
1353:ISBN
1319:2014
1293:2014
1267:2014
1199:2014
1106:ISBN
1080:ISBN
942:none
777:SOHC
703:. A
487:none
427:S.U.
420:Fuel
173:The
167:none
977:car
1567::
1478:.
1367:^
1309:.
1283:.
1257:.
1246:^
1189:.
1176:^
1146:^
1120:^
1090:^
1055:^
780:I4
712:SU
697:4A
644:I4
377:95
367:60
257:I4
72:,
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
