Moreover, he is the team's creative mainspring, dynamic force and penalty-taker.
From the independent.co.uk
It also has a power reserve indicator that shows the energy left in the mainspring.
From the techcrunch.com
The fussee is a spindle attached to a chain that winds the mainspring barrel.
From the techcrunch.com
Bright replied that if Cobden retired the mainspring of the League was gone.
From the en.wikipedia.org
It means my life is meaningless.'They carried on somehow, but the mainspring was gone.
From the time.com
In watches it required a fusee to even out the force of the mainspring.
From the en.wikipedia.org
The mainspring in this jewel of precision is beguileful Robert Morse.
From the time.com
For three periods Goebel was the mainspring of the Michigan eleven.
From the en.wikipedia.org
Traditional mechanical watch movements use a spiral spring called a mainspring as a power source.
From the en.wikipedia.org
More examples
The most important spring in a mechanical device (especially a clock or watch); as it uncoils it drives the mechanism
A mainspring is a spiral torsion spring of metal ribbon that is the power source in mechanical watches and some clocks. Winding the timepiece, by turning a knob or key, stores energy in the mainspring by twisting the spiral tighter. ...
Mainspring is the third novel from writer Jay Lake. It is a science fiction/fantasy novel, of the sub genre steampunk; this novel has also been classified as Clockpunk.
The driving spring of a watch or clock, contained in the barrel.
This and the barrel (s.) make up the driving element of a movement (s.). It stores and transmits the power force needed for its functioning.
The principal spring of a watch that supplies the force of motion to the gear trains.
The power source, made of tempered steel, for clockwork mechanisms.
A thin, tightly coiled length of steel that when wound, provides the driving force for the phonograph.
The flat, ribbon-like tempered steel spring wound inside the barrel and used to drive the train wheels.