This twin is for a pair of .15 engines. It has a 60” wingspan and 467 square inches of wing area. The Grosvenor House  G-ACSS won the Mac Robertson Air Race from Mildenhall Airdrome in the UK to Melbourne Australia. There were three of the original Comets built for the race. The Grosvenor House was the Winner of the race, G-ACSR was fourth. The Black Magic G-ACSP did not finish the race. The first Comets were designed to be racers, they were fast for their small engines, but were definitely were not passenger aircraft. The laser cut kit with CAD plans will sell for $150.00 postpaid in the continental US.