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T-rex450 clone HK 450 my 1st built

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Uploaded by on Nov 25, 2010

update of my built
right now i am facing vibration problem and my battery has puffed cause the voltage dropped below 3.5v
and when ever i put it to my charger it says low volt
the belt tension looks ok just like the video i followed on how to build hk450

right now i have
Turnigy 2200mAh 3S 25C Lipo Pack
HK450V2 HK450 CCPM 3D Helicopter Kit (Align T-rex Co
4 hxt900
Turnigy E500 6T 4000Kv 200W Heli Motor
Hobby King 401B AVCS Digital Head Lock Gyro

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Uploader Comments (Radars4sale)

  • and how did you fix it ?

    Blade balance i guess

  • @tigrrou27 battery was not fully charged,

  • works great now thanks

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All Comments (15)

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  • @tigrrou27

    Yeah , get some scales .. Make sure both blades weigh the same , mine are +- 0.01g

    Check the balance CG on both blades , close is good enough .

    Dont over tighten blades in the head , they need to move under load ..

    Also attaching copter to ground can cause vibrations , as well there is RPM range that sometimes causes vibrations , so you want to rev out of it ... [ FLY - Hover ]

    But blade balancing is very important ...

    Does it vibrate LESS BLADES ? [ If its a head problem ]

  • You are lazy. Just pick up the TV instead of trying to use the Heli to lift it.

  • Change the throttle curve and the Teli should be in the air in no time. Lol.

  • @jcer93705 I just bolt my blades together with a long enough bolt for the blades to teeter and add scotch tape to the light one. I don't know what kind of gyro your getting but I've had 2 cheapos fail on my EXI 450.

  • @ILTSYC

    Nah it's better getting those drug addict weight scale and weight the blades if one is heavier then the other add tape the lighter one until they both weigh the same. Simple as that.

  • You will try lift this TV using HK450, I think thet you should use stronger gluetape and more powerful engine!

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