Helicopter drive-system technology which would result in the largest benefit in direct maintenance cost when applied to civil helicopters in the 1980 timeframe was developed. A prototype baseline drive system based on 1975 technology provided the basis for comparison against the proposed advanced technology in order to determine the potential for each area recommended for improvement. A specific design example of an advanced-technology main transmission is presented to define improvements for maintainability, weight, producibility, reliability, noise, vibration, and diagnostics. Projections of the technology achievable in the 1980 timeframe are presented. Based on this data, the technologies with the highest payoff (lowest direct maintenance cost) for civil-helicopter drive systems are identified.


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    Titel :

    Research requirements for development of advanced-technology helicopter transmissions


    Beteiligte:

    Erscheinungsdatum :

    1976-12-01


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch





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