The top set of rotors don't spin, I tried tightening the screw, but they will still not rotate. The bottom rotors work fine. Suggestions?
1548564
sound like it is slipping on the gear that connects the shaft to the motor for the top rotors
1548565
I would look at it closely to see where it is connected and what is broken or loose. FYI, I was unhappy with this helicopter; it does NOT maneuver well and I have owned many other different brand of helicopters. Good luck!
2120866
Check the alignment of the gears on the bottom side of the rotor. Sometimes the shaft slips and disengages the drive gears....otherwise it's the wiring to the motor on that side.
1052443
Just call or send airlift and email. They have great customer service, most likely they will send you new ones at no charge. Make sure you register your warranty online before you contact them about your problem, otherwise you'll be paying for the parts for sure! Hope this helps you.
1330902
Perhaps you bent the blades a little when taking them apart. (I did that once on one of my previous Panasonic trimmers.) If the shaft spins freely without binding up when you have it taken apart, you know it's the blades. If that's the case, I would try GENTLY squeezing them in just a little bit.
969966
My engine does not rotate counter clockwise.. but yes I think it should work
1067455
I have experienced and corrected this issue twice. Unfortunately this issue is due to a component failure, specifically one of the MOSFETS that drives the motors. The components are pointed out in this image: http://imgur.com/WSvHxHb . I have had success replacing them with IRLML6346TRPBF available at both Mouser.com and Digikey.com. Replacement does require moderate skill soldering surface mount components. I recommend replacing all 4 because replacing only one will leave the motor drive unbalanced since this is not the exact same part.
882366
It doesn't say anything in the directions, but the blades have to go on a specific way in order to get lift. I had that problem once before. If you only have 3 motors run it won't fly...that's a different problem. The right front and left back rotors go on in the same direction, and the left front and right back the oppose of the right side. That's for the rotors (blades). I hope this helps. Click on this link to see the direction your motors should rotate.http://static.rcgroups.net/forums/attachments/3/1/6/3/0/5/a3594638-127-a3540582-147-AC-XSetup.jpg
623805
If these helis just spin check the rotor blade for a hair line crack or bent, When they are bad they will just hover and spin around to the left like a top.So try using the replacement rotor blade and see if that fixes the problem. Also look for some hair around the rotor pin that comes off the heli that the blades goes on to - a twisted hair will make it spin around and around too.
1296896
The bottom rotor maybe slipping, by putting a finger against the cog and gently apply rotation to the bottom rotors if they turn try this : hold the large upper cog and push the bottom rotors (connection assembly firmly down the main shaft - it should become more snug (try the rotation test above) on the shaft and hopefully lift is restored.I think this is a deliberate design to save potential damage or harm from the bottom rotors suddenly stopping on collision, ie a bit of slip on the shaft
638135
I have two suggestions for you. 1. Remove the plastic rotor. Make sure there isn't any hair wrapped around the post. It's amazing what these things can pick up when flying! 2. Purchase a new rotor because yours might be bent, keeping it from rotating. This happened to us before. You couldn't see the bend but when we replaced it, voila! If you've had this helicopter for awhile, it's possible that it's on its last leg. We have had these for several years and one is finally not turning the back rotor and it can't be fixed. We've gotten our money's worth out of it. However, if it's brand new, return it. Hope this helps!
810501
Try pushing the steering stick all the way to the left or right right at take off. It should correct the spin shortly after take off. More than likely, you may have 'unbalanced' one of the sides of the helicopter and it tends to spin that way at lift off. I had the same problem with mine, so I just start with the stick pushed all the way to the right every time now, and it works fine. You may also have to crank the slip stream in that direction as well. Good luck.
794406
My advice is to take the spindle apart and enter the number that is on the bearing you have. That is how I obtained my bearings. You have to take it apart any how.
1075807
Mine has been spinning since i got it. It sometimes gets stuck with the magnet on top. Just give it a tap to get it going again. Dont know how it could break. No moving parts on the electrical side of things.
456097
I replaced the original pedals with my own clip-in pedals, so I haven't had that issue. But the likely reason is that the bearings in the original pedals are of very poor quality, so instead of the pedal spinning as smoothly as it should, it is instead spinning the part that screws into the crank arm. The solution is to either buy a better set of pedals, or go to your local hardware store and buy some thread lock compound, which is a kind of non-permanent glue that you can put on screws and threads to prevent them from coming loose. Good luck.
1977689
I think the whole gear box is the problem here. Not sure replacing motor will fix your problem. eBay has similar motor with gear boxes try it.
921840
Sounds like the gear to the top rotor blade is loose or is not making contact. You have to take it apart to fix.
885670
I bought this for my husband also and his didn't work either. The lights come on but the motor doesn't and none of the propellers spin. We contacted the company and they suggested that we try a new battery first so I had them send us a new battery, but it still has the same problem so I am going to ask for a refund !