The original Mountain Safety Research Newsletter (1969-1982), written by MSR founder Larry Penberthy, is a fascinating read. The newsletters are filled with extensive and technical product testing and mountain safety information. However, Larry and his team were also known to have some fun. One of our favorite features in this vast newsletter archive is the makeshift “wind tunnel” testing report in Issue 7 (April 1973) for the new MSR Mountain Tent. Important performance features of the tent are profiled under the headings “More Room,” “Condensation,” “Doors,” “Ease of Erection,” “Wind Stability,” “Cookholes,” “Materials” and “Weight.” Within the “Wind Stability” description, the reader is given this glimpse into MSR’s rigorous and fun DIY testing methods. Larry was never satisfied until he personally put gear through the ultimate paces. The original color…