Top Gear

The real history of the Top Gear Track

  • 1938

The BBC Top Gear track has been laid out on the main runway of the former WWII RAF and RCAF air base.   The perimeter roads used for Gambon and the finish line were laid over the route of original B-Roads that were ripped up when the airfield was constructed in 1941.  One cottage, Broadmead, was situated where the TopGear FollowThrough is now, but the cottage was lifted whole and winched half a mile on rollers to the otherside of the airfield.

Broadmead cottage original location in 1942 now at FollowThrough of Top Gear track

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VTO sites – Listed Grade II

Photo courtesy of BAE Systems via Brooklands Museum

The main runway has the unique Vertical Take Off Grids, known as VTO Grids or Hover Grids – used for the tethering of jump jets such as the Harrier whilst hovering. These are located on aprons that adjacent the main runway and are within the Operational Readiness Platform [ORP].  Beneath these gratings is a large void chamber to take the hot air, condensation and gases from the downdraft of the jet engines of the aircraft. Within the eastern Engine Testing Pen there is a similar arrangement that is a unique feature to Dunsfold.

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Runways

It is a rare feature that all three runways survive at their original lengths and are connected with a complete perimeter track with at least 75% of the aircraft hardstanding.
Two runways are much rarer than others elsewhere in the UK as they have a large number of the Mk II airfield lighting fittings intact, together with the cast-iron drains and French drains along each side of the runways.

Runway immediately after construction 1942
Around 1942 but note and contrast the  parallel “runway feature” alongside the main runway.

The runways were constructed for a Class ‘A’ bomber airfield. The white concrete of the runways and perimeter track were sprayed with a mixture of tar and wood chippings. This dark textured finish was optically non-reflective and from the air closely resembled grass. The chippings also added extra surface grip without damaging the aircraft tyres.

Runway wood chippings
Runway wood chippings
Dunsfold runways 1940’s
Dunsfold runways looking NW 1940’s

VSTOL Pad on Runway 1960

Airfield Light Fittings Sect1

Runway light fitting of WW2 era

Airfield Light Fittings Sect2
Airfield Light Fittings Sect3
Runway Catch Mechanism
Complete Runway Catch Mechanism
Runway Catch Mechanism
Remnants of Runway Catch Mechanism 2016


  • Ministry drawings 1941

P.1127

https://en.wikipedia.org/wiki/Hawker_Siddeley_P.1127

The Hawker P.1127 and the Hawker Siddeley Kestrel FGA.1 were the experimental and development aircraft that led to the Hawker Siddeley Harrier, the first vertical and/or short take-off and landing (V/STOL) jet fighter-bomber. Kestrel development began in 1957, taking advantage of the Bristol Engine Company’s choice to invest in the creation of the Pegasus vectored-thrust engine. Testing began in July 1960 and by the end of the year the aircraft had achieved both vertical take-off and horizontal flight. The test program also explored the possibility of use upon aircraft carriers, landing on HMS Ark Royal in 1963. The first three aircraft crashed during testing, one at the 1963 Paris Air Show.

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