1002 size motors between 20,000 and 22,000KV are perfect for 1S whoops running 1.6 inch (40mm) props. 2 or 3 blade props can be used but 3 blade props are most common. (see examples)

SPECIFICATIONS:
KV: 22000KV
Input Voltage: 1S Lipo
Configuration: 9N12P
Stator Diameter: 10mm
Shaft Diameter: 1.5mm
Idle Current: 1.5A @ 5V
Max. Con. Power: 52W (3S)
Internal Resistance: 75mΩ
Max. Current: 14A (3S) Max.
Effciency Current: 2-4A ( More than 84%)
Weight: 2.5g

FPV Motor Sizes Guide	FPV Motor Volume Guide
See this Motor Size Guide for information on what sizes of motors are used in popular BNF and PNP FPV drones.	See this Motor Volume Guide for information about what other motor size is similar to the one you are looking for.