I learned my lesson while writing the Sten gun book. I started from fresh and ignored all that had been written before and by the end of the first week, with the actuial original trials tests reports in my mitts, realised what a pure load of utter horse-shi........, er....., horse-manure had been written thus far. Some of the most absolute fairy stories that had been spewed out and then repeated and added to time and time again......... In fact there were SO many what I'll call myths (you'll call then be some other less diplomatic name I'm sure.....) that I eventually I was forced to write a whole new chapter debunking them individually.
And do you know what.........? Some people STILL tell me that they'd cock and fire as the static line of your parachute pulled the main parachute from the pack! OR that they's fire off a whole magazine......... Oh, don't get me going!