Xynzzeu 9720 Doorknob Scale Pro Series Rocket Kit_AB
Amazon Price as of 03/15/2025 04:32 GMT+00:00
-1%
$50.70
$51.27
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average price $52.86
$2.16 cheaper than average
$56.16
$67.63
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Product Description
Pro Series II Building Kit Standing nearly 27 inches tall and powered by E and F motors, this 1:12 scale model is an impressive Sport and Scale model of the sounding rocket manufactured from Lacrosse rocket motors for the Hardtack Nuclear Test Series project. By the mid-1950s, public concerns about nuclear fallout due to American and Russian testing were reaching a fever pitch. To that end, President Eisenhower announced to the United States on August 22, 1958, that the United States would ban further nuclear testing on or before October 31 of the same year. American scientists, wanting to gather as much data as possible, responded with Hardtack Series tests. The scientists were interested in many scientific areas, but the primary interest lay in the effects of radioactivity from underwater and above-ground detonation. The Hardtack Nuclear Test Program consisted of 35 detonations at the Pacific test ranges during the period April through August 1958. Scientists, at the time, were primarily concerned with damage to the ozone layer and the possible effects of long-range radioactive fallout and determined that scientific measurements of the earth's upper atmosphere (aeronomy) would help clarify what damage had occurred. The single- and two-stage DoorKnob rockets were developed using Lacrosse and Thiokol solid propellant motors and could launch an instrument-laden sounding rocket to approximately 50 miles in altitude and capture radioactive data for analysis. Early results from these upper atmosphere data suggested that little or no damage to the ozone layer was measured during the nuclear tests and the water detonations probably produced enough ozone to replace what little might have been lost due to above-ground testing. The Estes 1:12 scale model doorknob is large and impressive. Easy to build and fun to fly, this kit will be a big hit in both the sport and scale rocket categories. The Estes 1:12 scale and sport model is large and impressive. Easy to build and fun to fly, this kit has two sets of decals available
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