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Figure 1.
The small weighted helicopter. (A) Single-rotor helicopter ranabot CH-77 (Italy), MtOM-500 kg, (B) coaxial helicopter rotorschmiede VA-250 (Germany), MtOM-500 kg.
Figure 2.
Dependence of discs loading on MTOM (1 – approximation curve for single rotor helicopters, 2 – approximation curve for coaxial helicopters, 3 – disc loading dependence according to [1]).
Figure 3.
Dependence of the main rotor diameter on MTOM (1 – approximation curve for single rotor helicopters, 2 – approximation curve for coaxial helicopters, 3 – rotor dependence according to [1]).
Figure 4.
Dependence of the blade chord on MtOM (1 – approximation curve for two-bladed rotors, 2 – approximation curve for three-bladed rotors, 3 – approximation curve for three-bladed rotors according to [1] 4 – approximation curve for two-bladed rotors according to [1]).
Figure 5.
Dependence of the rotor solidity on MtOM (1 – approximation curve for two-bladed rotors, 2 – approximation curve according to [1], 3 – the minimum value of the rotor solidity according to [3]).
Figure 6.
Dependence of the helicopter advance ratio on MtOM.
Figure 7.
Dependence of the blade tip speed on rotor diameter (1 – approximation curve, 2 – rotor dependence according to [1]).