Leading Particulars of Tiger Engines

 

Engine Type    14-cylinder, two-row air-cooled, radial aero-engine

Bore                   5.5 inch     (127 mm)                 
Stroke                6.0 inch     (140 mm)
Volume             1996 cu. in. (32.7litre)

Tractor Drive    Geared Epicyclic

Variants

​Mk I,

    1932 570hp (419kW), Geared Fan, Compression ratio 5.2:1 

MK III

     193? 610hp (455kW), Geared Fan, Compression ratio 5.35:1

Mk IV

     1934 720hp (530kW), Geared Fan, Compression ratio 5.35:1

Mk VI

     1936 760hp (589kW), Geared Fan, Compression ratio 6.25:1

Mk VIC

  No details known

Mk VIII

     1936 860hp (633kW), Two-speed Supercharger, Compression ratio 6.2:1

Mk IX

     1936 810hp (596kW), Geared Fan, Compression ratio 6.2:1

Mk IXC

     1938 805hp (592kW), Geared Fan, Compression ratio 6.2:1

Mk X

     193? 860hp  (633kW), Geared Fan.Compression ratio 6.2:1

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Note: The plain fan had no supercharging effect; the geared fan gave a mild supercharging effect.