Question about SYMA Toys industrial Syma S022 Big Chinook Rc Helicopter Balance Bar Set

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Chinook Helicopter top propeller stopped working.

I have the Chinook Helicopter as well and the top propeller stopped working. I found that the motor does not spin at all and when I unplug it from the back and plug it into the front the motor works fine. So the problem must be with the circuit board. The solder points seam to be fine on the board its self and I do not see any chard parts on the board. Is there any quick solution to this problem or do I kneed to get a new circuit board?

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Posted on Jan 02, 2017

aviral_srms
  • 1216 Answers

SOURCE: Product: S022 Chinook Helicopter. Problem: the

If you've crashed your MASH helicopter and need new rotor blades, grips, or even a new flybar then you're grounded until new parts arrive. Enter the crash kit - a carefully chosen assortment of the most commonly needed replacement parts, all in one convenient and discounted package. If you keep one of these on hand, you won't have to stop flying and wait for new parts in the mail again. The MASH helicopter was designed to be user-serviceable just like larger fuel and electric helis. If you've got a broken part, then it's almost certain that it can be replaced without anything more complicated then a screwdriver. This guide will walk you through replacing the most common parts:
Replacing Main Rotor Blades The main rotor blades can become cracked in a severe crash and pieces can break off. While it's completely possible to fix small cracks and dings with some medium CA glue and accelerator, this can negatively affect blade balance and make the helicopter vibrate. It's easier and faster to replace the old blade so here's how to do it:

  1. Get a small Phillips head screwdriver and unscrew the single aluminum screw at the root of the damaged blade. The blade will now be free, and you can remove and dispose of it. Damaged blades can be sharp, so be careful not to cut yourself.
  2. All the top rotor blades come with a white warning label on their upper surface. Choose from the upper and lower rotor blades as needed so that the rotors look like this when viewed from the front. As viewed from the front, the right top rotor blade should curve upwards and the bottom right rotor blade should curve downwards. This picture shows the correct blade orientation.
aviral_srms_19.jpg
3.Install the replacement blade and tighten the screw just enough so that the blade swings freely when you tilt the helicopter, but is secure enough that it won't fly off. This has to be done by feel - it's not critical that the screw is perfectly adjusted, but the blade should feel secure and move freely.
4.Repeat this for any other rotor blades that need replaced. It's helpful to install them one at a time to keep track of the orientation.

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Posted on Jun 28, 2011

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They come set to a frequency the sticker on the helicopter and hand remote must correspond eg 27mHz both have to be same so if you wanted to change it you would need a new PCB circuit board and hand controller on the same frequency.

Kind regards, Julian

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We have a free copy available on our website.
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I recently got a DH-1 AeroQuest Mini Helicopter. It was working fine until I crashed it against the wall. So now the top Propeller spins but the bottom propeller does not and the helicopter just spins...


I had the same problem. Bottom blade would not spin. There are 2 shafts that spin 2 gears. The outer shaft that spins the bottom blade has 2 set screws and my set screws got sheered off. I replaced both set screws and everything works now....

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Hello, i have problem with flying back and forvard, becouse rear propeller does not work. What is wrong and can i fix it? Thanks :)


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We are a family that bought one of your helicopters. We immediately had a problem, the top rotor stopped spinning after a crash. We found out that when the helicopter crashed I wasn't paying attention(I am 10 years old)and I was still pushing the throttle while it was on the top rotor. Big mistake,when I tried again it Didn't lift off the ground. We then put crazy glue in between the top rotor and the shaft and tried it again. It worked! Both rotors spun! Good luck!
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Sorry for late reply, youve probably sorted this by now. This is common problen, some thing to do with the gyro. If you want to spin the rotors without takeing off the trick is to put full right turn then the gyro tries to compensate keeping the rotors turning at speed. To lift of the trick is to get airborn quickly without raising rotor speed slowly then the gyro will keep compensating and keep the rotors running. Had same problem myself, although saved the gears fortunately.
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Spinning is caused by one of the main propellers rotating faster than the other. If both propellers are secured tightly to their drive shafts, the spin control knob on the remote control can be used to stop the spin. However, if one prop is slipping with respect to the other, the spin control knob will not fix the problem.
I've found that the set screws holding the propellers to the drive shafts tend to loosen after a while. If one prop is a bit loose and the other is tight, the relative slippage will cause the helicopter to spin.
To check, turn off helicopter power and manually rotate each propeller separately, watching the nylon gears in the body. If the propeller is moving and its drive shaft gear isn't, the propeller is slipping because its set screws are not applying enough pressure on the propeller's drive shaft.
Carefully tighten the set screw and the problem should be fixed. DON'T OVERTIGHTEN, or the plastic threads for the set screw will be stripped and the propeller assembly will be ruined.

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