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PilotPhotog on MSN4d
X-15 The Hypersonic Research Airplane from NACA to NASA
The North American X-15 was an experimental Air Force and NASA Hypersonic Rocket powered aircraft that was used to ...
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The X-15 was a Starfighter in All But Name
The X-15’s sleek, black-painted airframe was coated with a heat-resistant Inconel X nickel alloy. North American Aviation designed the plane with stubby wings all in a wedge-shaped design to ...
Fleet Equipment Magazine15d
Cummins X15 GHG 27 Engine: Five Things Fleets Need to Know
Fuel efficiency is always top of mind. Cummins is delivering measurable gains with the new Cummins X15 GHG 27 engine—up to 4% ...
T32y
Austrian Audio Hi-X15 review: Budget wired headphones exude brilliance
When spending this sort of money on a pair of over-ear headphones, even the most optimistic among us knows there will be compromises. What’s remarkable about the Austrian Audio Hi-X15 is just ...