@SFOMuseum Twitter Posts This is SFO Museum's archive of the @SFOMuseum Twitter account.
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It featured four Allison 501-D13 turboprop engines (a revolutionary power plant consisting of a jet turbine engine powering a propeller through a gearbox) mounted on short-span, low-mounted wings. #CutAboveModels . This tweet was posted on August 23, 2024.