The 3 inch Mortar
(Airborne 3" with Mk1 sight)
Unloaded Weight : 112 Pounds
Length : 51 Inches
Rate of Fire : 30 Rounds per Minute
Range : 2800 Yards
Bomb Weight : 10 Pounds (HE)
Ammunition : High Explosive and Smoke
First offered to the British Army in 1915. It was some time before the Ministry commited themselves. They were initially concerned about a tumbling bomb and for this reason where somewhat cautious about it's effectiveness. Their concerns were alleviated when Stokes designed and tested the new 'fin stabilised bomb'. he also improved the firing pin so that it could be withdrawn and improved the sights.
WW1 with unstabilised bomb
With these changes made. The Stokes 3 Inch Mortar entered into full military service.
Between the wars. Stokes modernised the design and improved the bombs and with these improvements finalised. The 3 inch became the heavy weapon of the Support Companies.
(WW2 model with later MkII sight)
The Airborne 2 inch Mortar
Unloaded Weight : 10.5 Pounds
length : 21 Inches
Rate of Fire : 8 Rounds per Minute
Range : 470 Yards
Bomb Weight : HE 2.25 Pounds : Smoke 2 Pounds : Illumination 1.2 Pounds
Ammunition : High Explosive, Smoke & Illumination
In the 1930's the 2 inch Mortar was designed to replace the rifle grenades as a means of reaching further than the standard hand grenade. It proved very successful with one being issued per platoon or Troop.