Whilst the glue on my forearm is curing, I thought I might start to construct my thermal detonator, but after digging through my file of print outs for the information, I found two diffrent photos (which I found on FISD), with different sizes. The first is:- 190mm in length Width/Depth of end cap 24mm Distance between end cap and "White Plate" 15mm "White Plate" length 108mm "White Plate" width 85mm The second is:- 190mm in length Width/Depth of end cap 20mm Distance between end cap an