SOURCE: MY YIBOO CHINOOK HAS A BROKEN MAIN BLADE HUB.
I found this on xheli.com. Syma S022 big CH-47 chinook.
Looks like the same heli as Yiboo. Lists all spare parts.
Good Luck. Please post results if you order from this site.
I also have the Yiboo CH-47, have not needed parts yet, just got it for xmas from my wife.
SOURCE: Yiboo AH-64 3D RC Mini Apache Helicopter
There is a small set screw on the bottom gear that holds in the upper shaft. You can see these gears through the belly of the helicopter. I had the same problem with the top rotors, and had to go in and re-insert the rotor shaft and tighten the set screw. I applied locktite to the threads to prevent it from backing out. It works now, but one problem I notice is that there must have been a spacer bushing between the two gear wheels. Without the bushing, it will still fly, but I can feel some play in the upper shaft and wonder if over time that the counter spinning gear wheels will start to wear against eachother.
SOURCE: MY YIBOO MINI HELICOPTER ONLY SPINS ROUND AND
Same thing happened to mine if its the same problem. Check if one of the rotors is chipped.
SOURCE: Yiboo AH-64 Gyroscope helicopter. Need to
I am sorry but we have no links to parts sites, my only suggestion is you contact the maker of the Helo.
SOURCE: remove and replace balance bar?
Were you able to find a replacement balance bar? I broke mine and can't find one? Thanks!
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