Handley Page Halifax MkIII (WPA 50)
Peter Allam

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About
Arguably the most highly regarded of all Halifax variants, the Mk.III’s origins lay in the need for an insurance against the possible interruption of the supply of Merlin engines.
The big radial Hercules engine proved to be the key which finally unlocked the Halifax’s full potential, and in February 1943 the Ministry of Aircraft Production cancelled the two-stage Merlin powered Halifax Mk.IV project and instead ordered the HP.61 Halifax Mk.III. Structural changes eventually permitted the maximum take off weight to be increased to 65,000 lb, and the more powerful engines (and on later Mk.IIIs increased wingspan) significantly improved performance.
The Halifax Mk.III entered service in October 1943 and was produced in larger numbers than any other mark or variant, ultimately equipping some forty-nine RAF squadrons. The introduction of the Mk.III finally gave Bomber Command the Halifax which Handley Page had always promised and restored the type’s reputation as one of World War Two’s most capable and versatile heavy bombers.

The mighty Halifax Mk.III is a fitting subject for the landmark 50th volume in the WPA series. As such, we’ve had the cover panel printed in silver to mark the occasion. Don’t miss this unique volume, it’ll sell very fast!
About the Author
As the son of a wartime Lancaster pilot and growing up in a house full of Lancaster books, it was perhaps inevitable that Peter Allam would come to share his father’s love of Roy Chadwick’s masterpiece. Over the years he has carried out a variety of different historical aviation research projects, and was also a researcher and archivist at the Canadian Warplane Heritage Museum.
In addition to carrying out in-depth research on the Lancaster over the last 40 years, Peter has also authored a variety of articles on WW2 aviation subjects for various journals, including the membership magazines of the Canadian Warplane Heritage Museum and Vintage Wings of Canada.
In the early 1980s Peter began a career as an aircraft engineer and has worked on most of the larger transport jets, with the occasional diversion into WW2 fighters and light aviation. Born and raised in Surrey, UK, for the last 15 years Peter has called Ontario, Canada his home.
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