If you do have another drive that can boot Windows 7, you can use the Disk Management tool to build a new system partition on your existing SATA drive. You have to shrink the existing partition, and create a new partition. Then you can copy the boot files to the new partition using bcdboot.
An APU is an auxiliary power unit. On-board APUs are small jet turboshaft engines that are started to provide electrical and hydraulic power to the aircraft when needed during periods when the engines aren't running. Some aircraft are designed...
Auxiliary Power Units (APU) Gulfstreamâs APU expertise has earned the trust and endorsement from two component manufacturers, Hamilton Sundstrand and Honeywell. Gulfstream Product Support technicians who service APUs have an average of 20 years experience specific to APUs. In addition to Gulfstream models, they have the know-how to work on APUs for a variety of other aircraft, whether Falcons, Learjets, Hawkers or Challengers.