Giant Scale RC de Havilland DH.88 COMET GACSS 'Grosvenor House' twin engine RACER
Steve Holland flies his exceptional scratch built scale replica of the DH.88 Comet GACSS 'Grosvenor House' that won the famous 1934 EnglandAustralia MacRobertson Air Race from the United Kingdom to Australia. This model is powered by 2 Zenoah 74s. and in total it cost Steve £5000 in materials to build it.

Wingspan: 22 ft
Length: 14 ft 6in
Height: 5 ft
Engines: two Zenoah Z74 twins with trumpets. Each has a 1 1/2 litre tank.
Props: Menz 26×8 turning at 6300rpm.
Weight: 150 lb

More information here:
https://www.largemodelassociation.com...

The de Havilland DH.88 Comet is a British twoseat, twinengined aircraft built by the de Havilland Aircraft Company. It was developed specifically to participate in the 1934 EnglandAustralia MacRobertson Air Race from the United Kingdom to Australia.

Development of the DH.88 Comet was initiated at the behest of British aviation pioneer Geoffrey de Havilland, along with the support of de Havilland's board, being keen to garner prestige from producing the victorious aircraft as well as to gain from the research involved in producing it. The Comet was designed by A. E. Hagg around the specific requirements of the race; Hagg produced an innovative design in the form of a stressedskin cantilever monoplane, complete with an enclosed cockpit, retractable undercarriage, landing flaps, and variablepitch propellers.

Three Comets were produced for the race, all for private owners at the discounted price of £5,000 per aircraft. The aircraft underwent a rapid development cycle, performing its maiden flight only six weeks prior to the race. Comet GACSS Grosvenor House emerged as the winner. Two further examples were later built. The Comet went on to establish a multitude of aviation records, both during the race and in its aftermath, as well as participating in further races. Several examples were bought and evaluated by national governments, typically as mail planes. Two Comets, GACSS and GACSP, survived into preservation, while a number of fullscale replicas have also been constructed.

Filmed by Dom Mitchell at the BMFA Power Nationals 'Show Line' for the 'Essential RC' YouTube channel using the Panasonic AGUX180 Pro 4K camcorder.

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