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nhogge
Fully Charged
Joined: 10 Feb 2011
Posts: 4
Location: sweden
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 Posted: Wed Mar 02, 2011 12:25 am
Post subject: v120d03 |
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Need help the heli won´t lift up when I trottle up it only shake on the spot |
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tombo242
Extreme 3D
Joined: 04 Nov 2008
Posts: 3636
Location: Santo Estêvão, East Algarve, Portugal. 76, but still feels 18.
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Posted: Wed Mar 02, 2011 12:35 am
Post subject: |
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Hi nhogge,
Tricky one this as you give us no idea of what heli it is or even what type. However, the usual cause of this is either the battery not charging due to a faulty charger or you have a faulty battery.
If you have a little heli charged by the controller then make sure that you have good batteries in it. It may look as if it is charging but with low batteries it won't be.
Give us more information - ideally a link to the heli as well, that always helps.
Tom.
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nhogge
Fully Charged
Joined: 10 Feb 2011
Posts: 4
Location: sweden
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Posted: Wed Mar 02, 2011 12:49 am
Post subject: |
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| tombo242 wrote: | Hi nhogge,
Tricky one this as you give us no idea of what heli it is or even what type. However, the usual cause of this is either the battery not charging due to a faulty charger or you have a faulty battery.
If you have a little heli charged by the controller then make sure that you have good batteries in it. It may look as if it is charging but with low batteries it won't be.
Give us more information - ideally a link to the heli as well, that always helps.
Tom. |
 Sorry it is a Walkera V120D03 whit TX 2603 and 2613v rx and I have ad a new rx because the original was defect |
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tombo242
Extreme 3D
Joined: 04 Nov 2008
Posts: 3636
Location: Santo Estêvão, East Algarve, Portugal. 76, but still feels 18.
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Posted: Wed Mar 02, 2011 1:59 am
Post subject: |
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That's a nice little heli Nhogge, thanks for the information.
Now we know that it has a separate charger and a single cell mini battery.
What we need to know now is the charge voltage of the battery in order to know if the charger is doing its job and the battery is storing the power required.
Can you measure the voltage of the battery when first off of the charger? Then when you take it out of the heli?
Tom.
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nhogge
Fully Charged
Joined: 10 Feb 2011
Posts: 4
Location: sweden
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Posted: Wed Mar 02, 2011 2:41 am
Post subject: |
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| tombo242 wrote: | That's a nice little heli Nhogge, thanks for the information.
Now we know that it has a separate charger and a single cell mini battery.
What we need to know now is the charge voltage of the battery in order to know if the charger is doing its job and the battery is storing the power required.
Can you measure the voltage of the battery when first off of the charger? Then when you take it out of the heli?
Tom. |
Hi Tom
When I take it out of the charger it is 4,17 volt and from the heli it´s 3,53 volt
I think I have change some set up mode in the TX but I am not sure |
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tombo242
Extreme 3D
Joined: 04 Nov 2008
Posts: 3636
Location: Santo Estêvão, East Algarve, Portugal. 76, but still feels 18.
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Posted: Wed Mar 02, 2011 2:58 am
Post subject: |
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| nhogge wrote: | | When I take it out of the charger it is 4,17 volt and from the heli it´s 3,53 volt |
At that voltage it is not reaching the full charge of 4,20V and it may be under 3 volts on load. Batteries often loose 0,5V to 0,6V (more if the battery is ageing) when under load in the helis. That would cause your voltage cutout to operate.
Do you have more than one battery?
If it is the battery or the motor the Tx settings will not cure it. It does sound from your description as if the heli is not getting enough power.
Tom.
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nhogge
Fully Charged
Joined: 10 Feb 2011
Posts: 4
Location: sweden
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Posted: Wed Mar 02, 2011 3:51 am
Post subject: |
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| tombo242 wrote: | | nhogge wrote: | | When I take it out of the charger it is 4,17 volt and from the heli it´s 3,53 volt |
At that voltage it is not reaching the full charge of 4,20V and it may be under 3 volts on load. Batteries often loose 0,5V to 0,6V (more if the battery is ageing) when under load in the helis. That would cause your voltage cutout to operate.
Do you have more than one battery?
If it is the battery or the motor the Tx settings will not cure it. It does sound from your description as if the heli is not getting enough power.
Tom. |
I have more battery and I have traid whid a 4,20 and it do the same when I hold the heli in my hand and trottle up it feel like it´s going down and the rotor head will tilt backvards, if I use the flight mode button the rotor head tilts to the front and you can feel the liftpower Hope you can understand me
Holger |
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tombo242
Extreme 3D
Joined: 04 Nov 2008
Posts: 3636
Location: Santo Estêvão, East Algarve, Portugal. 76, but still feels 18.
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Posted: Thu Mar 03, 2011 2:37 am
Post subject: |
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It is not easy to diagnose the fault from the information Holger. Maybe if we go to PMs' and try in Swedish. I am not good in that language but if you keep it simple I am sure that we will cope.
(Ord är alltid lättare i ens eget språk.)
For the forum "Words are always easier in ones own language."
Tom.
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kmkstar
Extreme 3D
Joined: 28 Dec 2010
Posts: 148
Location: Trapper Creek, Alaska, Age-40
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