Event

Velontra completes Bronco hypersonic engine wind-tunnel test

Jun 15, 2023 · Demonstration · Velontra · Aerial

Velontra reported successful wind-tunnel testing of its Bronco afterburning turbojet-ramjet engine at Purdue University under Mach 4.5-plus, high-altitude simulated conditions.

  • Velontra tested the Bronco engine at Purdue University at speeds above Mach 4.5 and a simulated altitude above 100,000 feet.
  • The small afterburning turbojet-ramjet was designed to transition toward thrust above Mach 5.
  • Velontra presented Bronco as an integration-ready propulsion system for small unmanned aircraft and its planned hypersonic spaceplane.

Velontra builds a hypersonic space plane concept. The Cincinnati company is a Y Combinator startup working on aerospace hardware with drone and high-speed aircraft relevance.

Company
Velontra
Segment
Aerial
Event type
Demonstration
Added to Korthos
Jul 18, 2026
Geography
Cincinnati · United States