A Spectacular Example of British Innovation
Otro lujoso modelo de AJS que debutó en tiempos difíciles...
1931 AJS Model S3
La AJS S3 fue un brillante e intrépido diseño de la firma AJ Stevens de Woverhampton. Por desgracia, su lanzamiento no podía haber llegado en peor momento. Eran los años de la Depresión y en breve Matchless tomaría control de AJS, postergando este modelo para ofrecer su Silver Arrow… al menos por un par de años mas.
Motor: Bicilíndrico transversal en V a 50 grados, válvulas laterales
Cilindrada: 496cc
Diámetro x carrera: 65 x 75mm
Lubricación: alimentación forzada a las bielas. Sistema de pérdida total.
Carburador: Amal
Ignición: batería 6v /bobina con distribuidor Lucas
Caja de velocidades: 3 velocidades de fabricación propia
Transmisión: primaria por eje a la caja de cambios a través de embrague multidisco, transmisión final a cadena
Cuadro: semi-duplex full loop
Suspensión: horquilla paralelogramo deformable tipo Webb de fabricación propia, trasera rígida
Neumáticos: delantero 325 x 19”, trasero 350 x 19in (originalmente ambos 26 x 3.25”)
Frenos: tambores delantero y trasero de 7” Lado Izquierdo
Capacidad del tanque de combustible: 3 galones
Equipamiento: amperimetro de serie, velocímetro y reloj accesorios opcionales
Altura del asiento: 26”
Distancia entre ejes: 56”
Peso: 330 libras
Velocidad máxima: 65 mph (aproximado)
Precio de nueva: £65
The 1931 AJS Model S3 was a brilliant and intrepid design by AJ Stevens of Wolverhampton. Unfortunately, this debut could not have taken place at a worse time. It was the height of the Great Depression and soon Matchless would take control of AJS, postponing this model in favour of the Silver Arrow.
Among the many technical features, the the camshafts were mounted at the front of the engine and were driven by chain from the crankshaft. This part of the design was borrowed from the factory racers. The cams were mounted immediately beneath the valves with which they were in direct contact.
A bevel gear at the rear of the gearbox transferred power to the countershaft, with the drive chain running within a full enclosure.
The machine was finished with a chrome petrol tank upon which was mounted the instrument panel, the remainder of the machine rendered in gloss black offset by tan saddle and leather-fronted pannier bags. Truly a work of art.
Specifications:
Motor: Narrow-angle V-twin of 50 degrees with sidevalves.
Displacement: 496cc
Diameter x stroke: 65 x 75mm
Lubrication: forced feed to the connecting rods. Total loss system.
Carburetor: Amal
Ignition: 6v battery / coil with Lucas distributor
Gearbox: 3 speed box made in-house
Transmission: primary drive to gearbox via shaft and multi-disc clutch, final transmission by chain
Frame: semi-duplex full loop
Suspension: parallelogram Webb fork, rigid rear
Tires: front 325 x 19in, rear 350 x 19in (originally both 26 x 3.25")
Brakes: 7 " diameter drum brakes front and rear
Fuel tank capacity: 3 gallons
Equipment: ammeter, speedometer and timepiece were optional accessories
Seat height: 26 "
Wheelbase: 56 "
Weight: 330 lbs.
Maximum speed: 65 mph (approx.)
New price: £65
Examples of the S3 are displayed at the Sammy Miller Museum and the National Motorcycle Museum, UK. There are believed to be several more in private hands, with one source giving a total of 8 known examples.
The western half of Moldavia is now part of Romania, the eastern side belongs to the Republic of Moldova, while the northern and southeastern parts are territories of Ukraine. ~ Wikipedia
If you have a query or information about AJS motorcycles please contact us
