DESIGN: SynchroLite ~ Rotor - Disk - Downwash - Intermeshing Disks in Forward Flight 

 Notes:

• It can be seen that the intermeshing configuration has a larger disk area than that of a comparable coaxial or single rotor ⁽¹⁾. This larger disk area results in a lower disk loading and therefore a greater efficiency.
• In addition, it can be seen that the outer portions of the retreating blades have the greatest thrust. This greater thrust is located outside the disk of the other rotor. The result is an improved distribution of the thrust and a further improvement in the efficiency.
• ".... the upper and lower rotor wakes contracted radially inward at a faster and slower rate, respectively." ⁽²⁾ This will also apply to the intermeshing configuration, and thereby add a further improvement to the thrust distribution and efficiency.
• "Increasing advance ratio causes the upper rotor wake to be "swept back." This results in more of the lower rotor being exposed to clean air, which leads to better performance." ⁽²⁾ This will also apply to the intermeshing configuration, but with not as much effect as with the coaxial.

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