Wireless Set No.19 Mk III (Mk 3) Canadian

MILITARY Canada (different makers for same model)

Datos
Foro
Imágenes
Colecciones

  • Año
  • 1943 ?
  • Categoría
  • Transceptor militar
  • Radiomuseum.org ID
  • 138834

Haga clic en la miniatura esquemática para solicitarlo como documento gratuito.

 Especificaciones técnicas

  • Numero de valvulas
  • 15
  • Principio principal
  • Superheterodino con paso previo de RF; ZF/IF 465 kHz
  • Gama de ondas
  • Bandas de recepción puestas en notas.
  • Tensión de funcionamiento
  • Bateria recargable / 12 / 24 Volt
  • Altavoz
  • - Este modelo usa amplificador externo de B.F.
  • Material
  • Metálico
  • de Radiomuseum.org
  • Modelo: Wireless Set No.19 Mk III [Canadian] - MILITARY Canada different
  • Forma
  • Boatanchor (militar, profesional >20 kg).
  • Ancho, altura, profundidad
  • 445 x 210 x 300 mm / 17.5 x 8.3 x 11.8 inch
  • Anotaciones
  • Wireless Set No. 19 Canadian / CDN: Two-band high-power transceiver for armored fighting vehicles (AFV), trucks and stationary use consisting of a medium range shortwave ("A-Set") and a short distance VHF transceiver ("B-Set").
    Operating modes: CW and AM.
    A-Set 2-4.5 / 4.5-8 MHz @ 5W (CW) / 2.5W (AM), B-Set 229-241 MHz @ 0,4W (AM).
    With RF No.2 amplifier used with A-Set power output increases up to 70W (CW) / 18W (AM).
    WS No.19 was originally designed in the UK, in Summer 1941, the Department of National Defence authorized the production of the set in Canada, USA and Australia, as well.
    The electric circuit differs slightly from the British original: a FLICK ADJ fine tuning control in the right lower corner next to the right dial and a AVC ON-OFF switch underneath the right handle have been added, Canadian W.S.19 power supplies differ considerably from the British equivalents.
    Most Canadian sets feature a English / Cyrillic lettering on the front panel as they were produced under a Lend-Lease contract to supply the Russian Army.
  • Peso neto
  • 18.2 kg / 40 lb 1.4 oz (40.088 lb)
  • Procedencia de los datos
  • - - Data from my own collection
  • Documentación / Esquemas (1)
  • Wireless for the Warrior Vol. 2, Louis Meulstee
  • Autor
  • Modelo creado por Martin Bösch. Ver en "Modificar Ficha" los participantes posteriores.

 Colecciones | Museos | Literatura

Colecciones

El modelo Wireless Set No.19 es parte de las colecciones de los siguientes miembros.

Museos

El modelo Wireless Set No.19 se puede ver en los siguientes museos.

 Forum

Contribuciones en el Foro acerca de este modelo: MILITARY Canada: Wireless Set No.19 Mk III

Hilos: 2 | Mensajes: 2

 

MAIN DIFFERENCES

Between

WIRELESS SET, CANADIAN, NO. 19 MK. III

And

WIRELESS SET, NO. 19 MK. III OF BRITISH

MANUFACTURE

 

Front view of, Wireless Set (Canadian) No. 19 Mark III. 

 

Canadian and British Wireless sets No. 19 MK. III are fully, mutually interchangeable in all their applications and installations. All accessories and essential spares such as microphones and headphones, control boxes, variometer, aerials, etc., are individually and mutually interchangeable. Most of the components used in the Canadian, Mk.III Set, are the same as those used in the British version. Not all of the, however, are fully, mutually interchangeable. The most important differences between the two versions are listed below:

 1.  The Canadian set includes a Frequency Adjuster not used on the British Set. The presence of this makes the main tuning condenser non-interchangeable with the British gang-condenser.

2.  The Canadian Set includes an AVC ON-OFF Switch. Such a switch is not used on the British Set and the British panel has no provisions for this Control.

3.  The British Set has a new circuit for the heterodyne oscillator, while the Canadian set uses the same system as used on the Mk. II Set. That means that all heterodyne oscillator coils and R.F. coils in the sender are non-interchangeable.

4.  The British Set uses a new type of circuit for the automatic drive control of the output stage, while the Canadian Set uses the same circuit as on the Mk. II.

5.  The British Set has a new meter transformer circuit in the Variometer, while the Canadian Set uses the same as on the Mk II.

6.  The British Set includes a resistance-capacitance network as tone-filter on CW, which is not used on the Canadian Set.

7.  The Canadian Supply Unit is entirely different from the British version and uses an entirely different dynamotor. Hardly any parts of the Supply Unit are interchangeable but the Supply Units as a whole are fully, mutually, interchangeable.

These are the main differences between the British and Canadian versions but it must be pointed out that the arrangements of components and parts on the chassis, differ quite considerably, and that maintenance spares for the Canadian Set cannot be used without careful consideration in the British model and vice versa. 

Source: Working Instructions, Wireless Set (Canadian) No. 19 Mark III. Communications and Electrical Design Department of National Defence, Ottawa.    RCA 113923-1

Bruce Morgenstern

 

 

 

 

Bruce Morgenstern, 22.Jan.14

Weitere Posts (1) zu diesem Thema.

The Canadian WS19 MK III is more like the MK II than the British version, using the same heterodyne oscillator-circuit, the same PA-tank circuit and drive control, and omits the British CW-audio-peak-filter.

 

 

Jan Terranea, 12.Apr.10

Weitere Posts (1) zu diesem Thema.