Some of the helicopters today are either nearly exact copies of other helicopters, or have nearly exact copies of some major pieces.
Table 3.1. Helicopter size summary sorted by AUW
| Original | Clone |
|---|---|
| Feda Dragonfly/GWS Dragonfly/Century Hummingbird V1/V2 | Smartech Skylark, Smartech Aerohawk, Evoflight Sabre, Esky Honey Bee Mark 2, Venom Night Ranger II, Walkera Dragonfly #4 |
| Hornet II | Eflight Blade CP (cloned head), E-sky Honey Bee CP (cloned head), E-sky Honey Bee King (cloned head), Venom Night Ranger 3D (cloned head), Walkera Dragonfly 22D and 22E |
| Zoom 400/Zap 400/Shogun v1 | Revo CP, Walkera Dragonfly 35 |
| Zoom 400/Zap 400/Shogun v2 | Walkera Dragonfly 36 |
| T-rex 450XL | Walkera Dragonfly 39 |
| Quick Japan EP8 | Quick Worldwide Little Quickie 8 |
| Quick Japan 16 | Quick Worldwide Sweet 16 |
Many of the Chinese clones are attractive to beginners due to their low cost, however, they often have many problems.