FIELD: machine building.
SUBSTANCE: there are facilities for reversible embedding of power shaft inside reduction gear housing, in which at least one gear wheel of reduction gear 1 step is installed. Reversible embedding means comprise a gear having a central bore so that the gear can be secured to the power shaft. Also, the gear has a peripheral section matched with the gear wheel so that it can form an input drive gear of the reduction gear casing with the said gear wheel when the said power shaft is built into the said gear housing.
EFFECT: invention relates to a gas turbine engine for a helicopter, comprising a housing, in which there is a gas generator and a turbine mounted on a power shaft.
5 cl, 7 dwg
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