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Aviation History
1943
1943 - 0373.PDF
HYDRAULICALLY OPERATED CONSTANT SPEED AIRSCREWS Pitch changing mechanism is the simplest in the world. fUitck The direct hydraulic ram gives highest possible rate of pitch change for any given oil pressure. The Rotol Governor Unit sets a standard of accuracy and consistency at present unrivalled / mrh and ev endaUe jreatketLetinq The simple feathering system used by Rotol guarantees reliable feathering-and unfeathering as required. The special Fighter Type Airscrew fitted with wood blades is the lightest constant speed Airscrew for its size in the world. C^iiicuncu 00 o ^r-rlali \^Ke%ail C^iiicuncu ^ cf 00 Special blade root fairings and spinner designs result in extremely high efficiency which, is still further enhanced in the latest four-blade. Provision for high-pressure warm engine oil to either side of the piston prevents sluggish operation under all temperature conditions.
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