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2. Gyrodyne - Wikipedia

   en.wikipedia.org/wiki/Gyrodyne

   a rotary wing aircraft intermediate in type, hereinafter referred to as "gyrodyne", between a rotaplane (with the rotor free for autorotation and an upward total axial flow through the rotor disc), on the one hand, and a pure helicopter (with the rotor driven, and a downward total axial flow through the rotor disc), on the other hand, that is ...

3. Blisk - Wikipedia

   en.wikipedia.org/wiki/Blisk

   A blisk (portmanteau of bladed disk) is a turbomachine component comprising both rotor disk and blades as a single part instead of a disk assembled with individual removable blades. Blisks generally have better aerodynamics than conventional rotors with single blades and are lighter.

4. Disk loading - Wikipedia

   en.wikipedia.org/wiki/Disk_loading

   When a helicopter is being maneuvered, its disk loading changes. The higher the loading, the more power needed to maintain rotor speed. [3] A low disk loading is a direct indicator of high lift thrust efficiency. [4] Increasing the weight of a helicopter increases disk loading. For a given weight, a helicopter with shorter rotors will have ...

5. Rotating unbalance - Wikipedia

   en.wikipedia.org/wiki/Rotating_unbalance

   A static balance (sometimes called a force balance [2] [3]) occurs when the inertial axis of a rotating mass is displaced from and parallel to the axis of rotation.Static unbalances can occur more frequently in disk-shaped rotors because the thin geometric profile of the disk allows for an uneven distribution of mass with an inertial axis that is nearly parallel to the axis of rotation.

6. Trump win has economists concerned US economy will fail to ...

   www.aol.com/finance/trump-win-economists...

   'The inflationary spiral' Tariffs have been one of the most talked-about promises of Trump's campaign. The president-elect has pledged to impose blanket tariffs of at least 10% on all trading ...

7. US consumer price increases accelerated last month with ...

   www.aol.com/us-inflation-gauge-ticks-higher...

   Consumer price increases accelerated last month, the latest sign that inflation's steady decline over the past two years has stalled in recent months. According to the Federal Reserve's preferred ...