military bridging

[David Potter]

SBG - Short Box Girder. SBG Mk2 & Mk3 was in use in 1939; obsolete in 1944 (replaced by Bailey bridge), although SBG Mk2 components were used in SBG assault bridge carried by Churchill AVRE in 79th Armoured Division.

SBG Load 2:
On frames: 4x Hornbeam sections; 1x Launching nose on top of hornbeams; 1x Launching cradles on rear ends of one of the hornbeams; 4x Ramps on top of hornbeams; 2x Bankseats on top of hornbeams.
In toolbox: 9x Dogs; 4x Cradle & Ramp pins; 4x Launching rollers; 4x 6 fathom lengths of 2" lashings.
In hornbeams: 3x Handspikes; 8x Carrying bars; 4x 5' Pickets; 1x Maul.