Given most of us have some involvement in BDR, if at all possible could you elaborate on this please ?
" and another which became widely produced on-station for Hurricane tubing battle damage,"
True, the pistol grip windy was by far the best option, IF, space / access permitted and, as others have said, "controlling" the speed of other windies by kinking the air hose was fine, until, the hose went "pop ! " in the vicinity of your hand.
However, as I've said before, RAF tools were embarrassing when compared to other nations, likewise ground equip, some of which seem to be dated back to the 40's / 50's.
You got the impression "every expense spared" was the motto for procurement and, by doing so, displayed why engineers are / were, undervalued.