During the installation of TTI headers on our '06 5.7L Hemi Police Pursuit Charger ("Go With the Flow," July '17), we discovered that the motor (engine) mounts were torn beyond the point of reuse.

The redesigned Zefiro-40 motor performs a second static fire test Oct. 3. Credit: Avio WASHINGTON — A second successful test of a redesigned rocket motor clears the way for Europe’s Vega C rocket to ...

A hybrid rocket motor underwent a successful test firing at NASA Stennis Space Center (SSC) recently, using a motor similar to one used in a sounding rocket. Sounding rockets take their name from the ...

Advanced propulsion developer Wright Electric has begun initial ground runs of its new high-power electric motor as it continues to weigh up which aircraft will serve as a flying testbed for the ...