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My S111G has suddenly stopped getting any lift. The battery is fully charged but it won't lift even with full throttle.
When I give it just a little bit of throttle the lower rotors spin as they should but the upper rotors don't start spinning until I give it more throttle. they seem to be on catch up and clatter into the bottom rotors.
Once upto speed both rotors turn as they should but the helicopter just crabs around on the floor and won't lift off.
Have you had some harsh blade strikes (furniture etc…) ? You may have stripped a gear and it's slipping under load.
If it tries to rotate when you spool it up, one blade is lacking rpm. Remember these things turn by changining the blade rpm, one verses the other. Main cause of stripped gears is blade strikes. A whole new set of gears is very cheap, like 3 bucks if I remember right. Im new to these micro's, and the s107g, so i've been checking out all the parts that are available for them, and I am very pleased. It appears that we can get every single part.
I believe one guy found a bad electrical connection to his board. Cracked solder joint as I remember, so if the gears are ok, check the wiring connections with lots of magnifacation, and don't be afraid to wiggle or pull gently.
Before suspecting electrical, make sure both connection links are still attached to the flybar balls and blade grips.
Actually, suspect the little connection links before anything :>)
My plan of attack would be flybar links, gears, then electrical. Let us know what you find. Dennis
Hmmm, just taken her apart and can't see any damage inside, all seems to be working ok. And the rotor head assembly is fine too. I'm wondering if it's something to do with the motors.
Taking this thing apart has made me realise the pros of a 107, metal chassis, everything accessible, and replaceable. Whilst my 111 looks great I'm getting the impression a 107 might be much more practical in terms of fixing and replacing parts.
i have the same issue w/ my 107g. crashed and now the top rotor will not match rpm to gain lift.
i have watched the video above and a broken connection does not seem to be the issue. i have checked the gears and all gears are connected and spinning, both under power and manually.
i'm determined to best this tiny inanimate object, but i'm too much of a noob w/ these helis to know what i'm doing!
thanks in advance for any suggestions. this site is great!
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