Tyre pressures at Oulton Park International

The Oulton Park International loop, drawn bold on the venue's mapped tarmac; the loop's measured length agrees with the layout's published lap length. Track outline © OpenStreetMap contributors (ODbL).

How hard a circuit works each corner of the car shows up as tread temperature, and temperature is what sets pressure. GripCalc carries corner heating figures for Oulton Park International as a starting point: how much hotter each tyre runs over the session's base temperature, from the layout's mix of corners and load. They pre-fill the calculator when you pick the circuit, and your own pyrometer readings refine them from the first session.

ESTIMATED — class-based starting values over an 85°C session base, derived from this layout's type (direction, speed profile, load), and shared with circuits of similar character rather than measured here. Not gospel: enter your own pyrometer figures after a session and they take precedence.

Oulton Park International, on paper

OSM — the sections mappers have named on this venue's tarmac: Island Bend · Island Hairpin · Foster's · Hilltop · Shell Oils Corner · Britten's · Hislop's · Lakeside · Cascades · Knickerbrook · Clay Hill · Old Hall Corner · The Avenue · Denton's · Lodge Corner · Deer Leap · Druids Corner · Warwick Bridge · Water Tower

Lengths are measured from the OpenStreetMap geometry drawn above, on the loop verified against this layout’s published lap length; the longest straight is derived from the same line and is approximate. Section names are the venue's, and can belong to any of its layouts.

What Oulton Park International asks of a tyre

Oulton Park International measures 4.32 km on the map, run clockwise, with 14 corners counted along that line — 5 left, 9 right. A corner every 309 m gives the tyre a steady rhythm of work, enough to build temperature without running away with it.

DERIVED — length, corner count, hands and straight measured from the mapped lap drawn above. Corner counting is a judgement (a double apex can be read as one corner or two), so treat these as this line's reading of the circuit, not a series' official figures.

Oulton Park is the UK's rollercoaster: crests, compressions, cambered corners and genuine kerbs, threaded through parkland. The International layout adds the Fosters loop and the island section's direction changes. Vertical load cycles are as big a factor as lateral ones, and pressures that survive Oulton's compressions are earning their keep.

A 992 GT3 on Cup 2 R at Oulton Park International

Published hot target 30.5 / 32.0 psi at 92°C tread, on a 15°C morning, with the corner figures above: cold set 21.4 / 21.5 front, 22.5 / 22.6 rear. A different car, tyre or morning moves every number, which is what the calculator is for.

Oulton Park Island · Pembrey Circuit · Silverstone Grand Prix · Silverstone International · All 45 circuits