- Huricane 550 or Protos 425
- Gaui CNC Head for the 550
- Smallest sized tail blades?
- odd flight characteristic
- Front main/rear main gears interchangeable???
- Grease the main gear and OWB gear?
- What about the HK3026-1000?
- "B" type canopy?
- help with taking out a broken screw
- Motor specs
- Help with used 550
- Which Motor do I have?
- Hobby City Order
- What helicopter do you use in rf g4.5?
- Some 550 changes
- hurry 550 or trex 500
- OWB bearings
- flight time?
- 70% 80%?
- spair parts
- T600 parts that swap with the 550 ???
- upgrade my gyro GY401 with what ?
- GY401 drifting and not holding
- front belt idler
- Need new batteries - which ones ?