FIELD: engines and pumps.
SUBSTANCE: proposed system consists of hub 1 whereto one or more wings are attached provided with airflow section 3. It includes two separate different moving elements 9, 10 secured to fastener 11 on the side of hub 1 and to fastener 12 on the side of wing 2.
EFFECT: higher stiffness and strength.
9 cl, 9 dwg
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SU1740794A1 |
