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loss of power full charged battery


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john frank
Charging
Charging


Joined: 16 Jan 2013
Posts: 2

PostPosted: Wed Jan 16, 2013 9:34 am
PostPost subject: loss of power full charged battery
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Hello, 6 week newbie , ? I have two birds that have fully charged batts but won't lift off the ground, dh9103, driftking 340 they fire up but seems like they are only getting half power, also spin to left, which I know is common but I just can't figure , can't be esc not brushless? One more thing both seem to go to full power for just seconds then down they go to stay HELP

Any sugestions or info THANK YOU
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admiral
Extreme 3D
Extreme 3D


Joined: 20 Mar 2009
Posts: 1101
Location: Brisbane, Australia

PostPosted: Thu Jan 17, 2013 3:04 am
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Hi John Frank,

Welcome to the Forum.

With two helicopters doing the same I would be looking at firstly your charging system and secondly you batteries, how do you know they are fully charged ??

Maybe you should put your answer in the General Section this area is really for introducing yourself to the forum, you will get more replies in General.
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tombo242
Admin
Admin


Joined: 04 Nov 2008
Posts: 4718
Location: Santo Estêvão, East Algarve, Portugal. Now 82, but still feels 22.

PostPosted: Thu Jan 17, 2013 5:48 am
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Hi John and welcome,

Like Admiral says looks like a battery problem.

As for ESCs; well all airbourne RC craft have ESCs. It is how the power to the motors is controlled. The only difference is 2 leads to a brushed motor and 3 leads to a brushless one. However, on a cheapo brushed heli the ESCs are usually built into the control unit and not strapped onto the heli as a separate part. (Just a bit of information for you!)

In your case I agree totally with Admiral, when 2 helis show the same problem, only the batteries can be the common cause.

Tom.
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Burgess
Extreme 3D
Extreme 3D


Joined: 27 Mar 2012
Posts: 1077
Location: Wales

PostPosted: Thu Jan 17, 2013 5:50 am
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Hello John, and welcome to the forum.

+ 1 on that Keith.


Spinning: Try pressing the right trim button below the right stick to slow the spin to the left.


Burgess
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Andy456
Hover Master
Hover Master


Joined: 11 Mar 2013
Posts: 10

PostPosted: Mon Apr 08, 2013 5:42 pm
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Hi John frank, as you said that your fully charged battery goes down suddenly.First of all that how would you know that your battery charged fully? and secondly it may be due to the expiration of the battery.Every thing which relates to electronics has a limit and a rechargeable battery also has a limit , may be its end limit exceeded.

Regards.
Andy.
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Burgess
Extreme 3D
Extreme 3D


Joined: 27 Mar 2012
Posts: 1077
Location: Wales

PostPosted: Tue Apr 09, 2013 6:45 am
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Is the power problem something that developed lately?
If flight time was OK to begin with and has now deteriorated, then the problem is probably the batteries.

Have you allowed time for the battery to cool after flying before charging?
Charging a LiPO while hot will shorten it's life span.
Those LiPOs are about the size of a postage stamp.

Remove the canopy and see if the battery is puffed up if so RIP battery. Take the details from it and get replacements from hobbyking or ebay you could fit slightly large capacity cells, but not too large because of weight or it will effect the centre of balance and disk loading.

Get yourself a Silverlit Twin Hurricane 3-Channel it's a very agile Chinook, great fun flying these indoors.

Burgess
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