Heron&Fox Photo · @heronfoxphoto
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A #photograph of a #UnitedLaunchAlliance #ULA #DeltaIVHeavy #rocket at #CapeCanaveral’s LC-37B.
The #Delta IV #Heavy is a variant of the Delta IV with 3 #CommonBoosterCores #CBC’s mounted side-by-side with the #DeltaCryogenicSpperStage #DCSS mounted on the center CBC. The center CBC throttles its #Rocketdyne RS-68 #engine down to 55% rated #thrust while the “outboard” CBC’s remain at 100% until #burnout.
The center CBC then throttles up until it burns its fuel, then releases the DCSS and #spacecraft.
https://heronfox.pixels.com/featured/t-1-heron-and-fox.html
#photograph #unitedlaunchalliance #ula #deltaivheavy #rocket #capecanaveral #delta #heavy #commonboostercores #cbc #deltacryogenicspperstage #dcss #rocketdyne #engine #thrust #burnout #spacecraft