A LTOUGH situated in an air craft stronghold and although bearing a
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name suggestive of association with flying, Airwork. Engine Service, Ltd., Heston Airport, Hounslow, is engaged on work almost exclusively connected with " heavies." Its activities are .concerned largely with the repair and overhaul of commercial-vehicle and tractor petrol and oil engines, whilst, in addition, marine and stationary units come within their scope.
TO an engineer, hardly more than a glance around the company's works is needed to reveal that the nature of the work carried out therein is of tl* highly " horizontal," and were much impressed at the extreme care with which accnracy of alignment, parallelism and timing-gear mesh were attended to. To set the boring tool, a Newton bar micrometer is employed, and boring is effected to dead size and a fineness of finish that removes any need for subsequent scraping.
For connectin-rod boring an Ammco machine is used, which has two boring bars, one for roughing, facing, chamfering, cutting oil grooves and mudways, etc., and the other for the finishing cuts. 4.
For truing block and head faces, manifolds, etc., there is a Snow