| Armature |
| Pump part |
| Whirligig |
| Motor part |
| Beanie top |
| Dynamo part |
| Engine part |
| Copter part |
| Machine part |
| Turning part |
| Kind of cuff |
| Copter blade |
| Chopper part |
| Turbine part |
| Spinning part |
| Windmill part |
| Kind of blade |
| Engine turner |
| Certain blade |
| Apache topper |
| Turbine blade |
| Chopper blade |
| Turbine turner |
| Generator part |
| Copter spinner |
| Revolving part |
| Chopper topper |
| Black Hawk part |
| Blender spinner |
| Chopper's blade |
| Disc brake disc |
| Helicopter vane |
| Turbine spinner |
| Centrifuge part |
| Chopper feature |
| Whirlybird part |
| Chopper spinner |
| Helicopter part |
| Common pump part |
| Copter mechanism |
| Distributor part |
| Helicopter piece |
| Propeller turner |
| Sikorsky feature |
| Autogiro feature |
| Copter's spinner |
| Part of a dynamo |
| Sikorsky spinner |
| Palindromic part |
| Whirlybird blade |
| Copter component |
| Helicopter blade |
| Chopper's chopper |
| Eggbeater feature |
| Disk brake's disk |
| Turbine component |
| Whirlybird's prop |
| Whirlybird's wing |
| Disc brake's disc |
| Chopper's whirler |
| Helicopter topper |
| Chopper component |
| Part of a turbine |
| Wind turbine part |
| Revolver of a sort |
| Opposite of stator |
| Wankel engine part |
| Whirlybird whirler |
| Helicopter feature |
| Whirlybird feature |
| Moving machine part |
| Electric-motor part |
| Palindromic spinner |
| Whirligig of a sort |
| Disc-brake component |
| Spinner on a chopper |
| Whirlybird's twirler |
| Helicopter mechanism |
| Centrifuge component |
| Helicopter component |
| Beanie's top, perhaps |
| Spinning machine part |
| Gyrocompass component |
| Engine part that turns |
| Spinner in a generator |
| Revolving machine part |
| Whirler on a whirlybird |
| Wankel engine component |
| Machine part that spins |
| Palindromic copter part |
| Spinner on a helicopter |
| Palindromic machine part |
| Spinning helicopter part |
| Palindromic turbine part |
| Whirlybird's moving part |
| Helicopter blade assembly |
| Generator's spinning part |
| Helicopter's sine qua non |
| Part of an ignition system |
| Helicopter's spinning part |
| One that turns either way? |
| Part of a Sikorsky machine |
| Part of a Sikorsky vehicle |
| Revolving part on a machine |
| Revolving part of a machine |
| Palindromic helicopter part |
| Component of many lawn mowers |
| Whirling part of a whirlybird |
| Helicopter's lifting mechanism |
| Reversible part of a helicopter |
| Armature of a motor or generator |
| Rhymer with (and need for) a motor |
| Only moving part of a Tesla engine |
| It goes round and round (and back and forth) |
| Turbine part that reads the same forward and backward |
| Thing that's full of spin, whichever way you look at it? |