As much as I love Fireball XL5 I have to admit that it was one of Sir Gerry’s earlier “sophomore” efforts and definitely aimed at young children, so there were often some rather broad liberties taken with actual science as in spacecraft speeds and most especially extra-vehicular activity.
(Even Sylvia Anderson groaned during an interview years later over the subject of “oxygen pills”.)
Well, this drawing will hopefully address some of those problems as I’ve incorporated aspects of the thruster packs with a life-support suit styled after the original pointy-shouldered World Space Patrol uniforms. The image is based on a sketchbook drawing I shared here a couple of years ago but there are two very important additions: The first and most obvious is the clear Plexiglas helmet while the second is the unit Steve is wearing on the lower right side of his harness used with the round disk held in his right hand – an “oxygen pill”
I’d like to say that I was the first one to think of a breathing unit based on an solid-form air supply but Wally Wood used it first in an updated SCUBA rig in his excellent apocalyptic adventure series M.A.R.S. PATROL /TOTAL WAR published by Gold Key Comics in the 1960s…but to be totally but to be totally fair Wally did some “borrowing” as well.
For several decades the United States Navy has used a breathing device that uses heat combined with potassium superoxide and sodium chlorate produce oxygen for personnel in fire-fighting operations. While it’s I’ve taken my own liberties with science in terms of the size and duration of the chemical air supply I think it solves the “Oxygen Pill” issue with a minimum of fuss