For #F1 rear suspension teams have favoured pullrod since 2009. The rocker/spring/dampers sit low down in the space front of the gear casette. 
In recent years Merc brought the gear cassette forwards and packaged the spring/dampers further back.
With the #F12022 regs the gear casette has been shifted rearwards, into this space
With the #F12022 regs the gear casette has been shifted rearwards, into this space
Now, McLaren have switched to pushrod at the rear. This places the rocker/spring/damper higher up ahead of the cassette.
There's more room in this area, so it might be a tidier way to package things, at the cost of a small rise in CofG height.
There's more room in this area, so it might be a tidier way to package things, at the cost of a small rise in CofG height.
This bigger gain may be in respect to the taller tunnel that sits below the suspension.
It may be easier to get a better angle on the pushrod and/or clear the tunnel with a pushrod.
Both these rods are operating at the same angle, but you see the pushrod has more clearance.
It may be easier to get a better angle on the pushrod and/or clear the tunnel with a pushrod.
Both these rods are operating at the same angle, but you see the pushrod has more clearance.
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