Estes Doorknob (2) (Scale) (English Only) Skill PRO

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The Ban on Nuclear Testing and the Hardtack Series Before we start, we need to cover the prehistory of Doorknob Model Rocket. During the mid-1950’s, the US and Russian nuclear test ing caused public concerns over nuclear fallout to reach a fevered pitch. In response, President Eisenhower announced a ban on further nuclear testing on or before October 31, 1958. US scientists disregarded the ban and conducted the Hardtack Series of tests to collect data on radioactivity effects from both underwater and above-ground detonations. The program consisted of 35 detonations in the Pacific Proving Grounds from April to August 1958. Measuring the Effects of Radioactivity Scientists were chiefly concerned about damage to the ozone layer and possible effects of long-range radioactive fallout. To measure the earth's upper atmosphere, they developed single and two-stage Doorknob rockets. They could capture radioactive data for analysis at altitudes of approximately 50 miles. Early results indicated minimal or no damage to the ozone layer from the nuclear testing. Additionally, it's possible that water detonations generated enough ozone to compensate for any loss caused by above-ground testing. The Estes 1:5.3 Scale Model Doorknob The Estes 1:5.3 scale Doorknob model rocket is a big and impressive kit that is both simple to build and fun to fly. It will be a hit in both the sport and scale rocket categories. There are two sets of decals available for those who want to turn this scale model into a sports model Key points: President Eisenhower announced a ban on further nuclear testing on or before October 31, 1958, due to public concerns over nuclear fallout Despite the ban, US scientists carried out the Hardtack Series of tests from April to August 1958 Scientists were concerned about damage to the ozone layer and possible effects of long-range radioactive fallout Single and two-stage Doorknob rockets were developed to capture radioactive data at altitudes of approximately 50 miles The Estes 1:5.3 scale model Doorknob is a fun and simple kit to build and fly. Moreover, it has two sets of decals available for customization. Show more