Blast Pen 04

Blast Pen 4 from an Aerial Photograph of the Airfield from May 1947
Historic England
Blast Pen 4 from an Aerial Photograph of the Airfield from April 2020
Google Maps
Blast Pen 4 Front from October 2018 showing back-filled bays.
Neil Broughton
Blast Pen 4 Front from September 2018 showing back-filled bays.
Neil Broughton
Blast Pen 4 Rear from May 2021
Neil Broughton
Blast Pen 4 Rear from January 2021.
Neil Broughton
Blast Pen 4 Rear from June 2021 showing sloping entry ramp.
Neil Broughton
Blast Pen 4 Rear Doorway from January 2021 showing three element lintel.
Neil Broughton
Blast Pen 4 from May 2017 showing exposed shelter.
Neil Broughton
Blast Pen 4 Right Doorway Roof from October 2020.
Neil Broughton
  • Pen 4 is the most northerly of the pens on the eastern side of the airfield and faces west.
  • Today, this pen has been infilled with earth and rubble.
  • The pen is of the smaller type found at Kenley, the original two bays would have been approximately 16.5m x 16.5m each.
  • The front doorways are buried under the infill. A large steel door secures the rear doorway.
  • All three doorways have three-element lintels.
  • The rear retaining wall is of concrete construction, 51m long and 0.5m thick at the top. It has a slope of 10-12 degrees and is 2.5m tall at it’s highest point.
  • Access to the rear doorway is via a concrete slope faced by a single thickness brick cladding.
  • The interior shelter is of unknown construction, but is believed to be made of semi-circular corrugated iron sheets overpoured with concrete.
  • The front wall of the now missing centre section did not have a buttress, just a simple wall probably of one brick depth with various tie-bars added for strength.

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