The Archive · 1937

Engine Power

Normally on the Empire routes these boats have a range of 800 miles and carry up to five tons of pay load. Caledonia and Cambria, specially "tanked-up" for experimental At-ionic flights this summer, are being allowed to load up to 45,000 Ib. This is because fuel and oil alone for these ocean flights weigh 18,750 1b. They will still be able to carry 1,000 lb. of experimental air mail; Passenger boats for the Atlantic must, therefore, be much bigger.

The Empire boats each have four Bristol Pegasus engines yielding 3,680 lip. between them at the take-off. By 1939, engines each yielding 1,500 lip. at the take-off, will be available.

These will.also be radial air-cooled types. The wing thickness, which is three feet in the Empire boats, will be increased in the new boats to en-has not been reported, Í should Be glad to know whether it is usual! for the parties interested to inform you of the case and dates of hearing, or whether qvi learn of it from the notice which I believe' is always posted outside the Court? At least this is the rule regarding cases coming before the E Court Is the same procedure lowed in regard to cases at the French Court? vig "This information will be appreciated.

Jvc.

Shanghai, July 7, able the radial engine to be embedded in the leading edge of the wing, thus giving neater streamlining. This will help to give the higher cruising speed.

Twenty Passengers The percentage of useful load to structure weight in the Empire boats is about 37% per cent, and if the same ratio is preserved in the bigger boats, some 30000 lb. will be available for pilots and crew, fuel and oil, passengers and baggage. mails and freight.

After allowing 25,000 1b. of this for the fuel and oil, a pay load of about two tons can be carried. This is not

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