2 Mystery helicopter gyro’s 1 with & 1 without label which was how it was sold at the time, these are basically Futaba GY401 clones which I used on 450 size electric helicopters, I’m not sure if they were ever used as I found the 450 size helicopters to small compared with IC models so moved them on quite quickly. Part of my model shed clear out of surplus gear. Both tested and working well complete with instructions.

• Listing ID: 137796
• County: Norfolk

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