Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: Muenzaniso wokutanga wakatanga kubhururuka musi wa 6 May 1935, uchisvika 281 mph (452 km/h) pa 10,000 ft (3,000 m) panguva yokutanga kuedza ndege. On 27 May 1935, zvikabva zvaita akabhururuka kuna Wright Field, Ohio, kukwikwidzana muna USAAC fly-kubva nokuda itsva chete-chigaro murwi, asi makwikwi akanga kunonoka nokuti Seversky kupinda yakadonha munzira ikoko. Curtiss akashandisa kunonoka kutsiva injini isingavimbiki neWright XR-1820-39 Cyclone inoburitsa 950 hp (710 kW) uye kugadzirisa fuselage, achiwedzera akasiyana magirazi emashure ekuvandudza kuoneka. The itsva kumumvuri akanga akasarudzwa Model 75B pamwe R-1670 shanduro retroactively akasarudzwa Model 75D. Kubhururuka pakupedzisira kwakaitika muna April 1936. Zvinosuruvarisa, injini itsva yakatadza kupa simba rayo rakanyorwa uye ndege yakangosvika 285 mph (459 km / h).  Mubvunzo: Gore ripi rakapedzisira kubhururuka mufananidzo wacho?
Muna 1936