![]() ![]() Figure 31 shows the linear array borrowed from cosmic ray flight techniques figure 36 shows the modified “Helios Cluster” in which lines from the balloons are joined at a central ring at the top of the load line. 1” (Appendix 13 in the Roswell Report) mentions that Project Mogul moved from serial balloon linkage (which gave balloon chains taller than the Seattle Space Needle) to the Project Helios parallel cluster (introduced by Jean Piccard, though not actually invented by him):įigures 31 and 36 show the two methods used to group the balloons in clusters. Went over possible experiments in ‘Helios’ balloon June with Peoples. And so we see Crary’s journal entry for 4-5- in Oakhurst: Project Mogul, a top secret Army-funded project to put devices high up in the atmosphere to listen for the sound of Russian atomic tests, was one of these collaborating parties: and, as of February 1947, was still expecting Helios to run. In this post, I’ll try to look at Project Helios through a Project Mogul lens (if that makes sense). Part of the challenge was that Helios was intended to be a military-scientific platform, and the collaborating groups (who hoped to run their experiments on Helios) all had different practical needs and political priorities. Recapping: even though Project Helios’ maiden manned balloon flight to the stratosphere was planned for the 21st June 1947 (the summer solstice), the overall administration of the project collapsed during the Spring, before finally being canned in May 1947. Even though I’ve covered Project Helios’ fall to Earth in previous posts (much supported by David DeVorkin’s detailed account in “Race to the Stratosphere”), because of its close links to Project Mogul there are also external mentions of Helios in (for example) Albert Crary’s journal.
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