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Installing a brushless motor


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bthornton
Charging
Charging


Joined: 09 May 2007
Posts: 1
Location: Northern Canada

PostPosted: Wed May 09, 2007 8:56 am
PostPost subject: Installing a brushless motor
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I am new to RC Heli flying. I recently purchased a Walkera 22E and purchased a brushless motor and Li-Po battery. My question is: do I need to purchase a ESC (which I think means electronic speed controler) in order to use the brushless motor or can I install it and use:
1. The Ni Cad battery or
2. The Li-Po battery
without the speed controller.
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vertigo
Hopping Maniac
Hopping Maniac


Joined: 09 May 2007
Posts: 24

PostPosted: Wed May 09, 2007 5:19 pm
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I thought the walkera would come ready to fly out of the box. Did you mean you bought a brushless motor and a lipo battery as separate/addition parts?
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aprhockey
Hover Master
Hover Master


Joined: 13 Jul 2007
Posts: 7
Location: Arlington, Virginia

PostPosted: Sun Jul 15, 2007 10:31 pm
PostPost subject: Probably
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Though I think it is possible to use a brushless motor without an ESC, that means you would have to connect it directly to the battery. Once connected to the battery it will run at the highest speed possible, therefore it would be dangerous to start your helicopter in the first place and also you would not have any control over it.
Sorry if this response is too late.
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silhouette015
Site Admin
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Joined: 06 Jul 2007
Posts: 581
Location: Thailand

PostPosted: Wed Aug 08, 2007 11:02 am
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You need an ESC for controlling the speed of the motor other wise there's no way to control the speed of the motor; which makes flying impossible and dangerous.
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tombo242
Admin
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Joined: 04 Nov 2008
Posts: 4718
Location: Santo Estêvão, East Algarve, Portugal. Now 82, but still feels 22.

PostPosted: Tue Nov 04, 2008 9:01 pm
PostPost subject: Must use an ESC with brushless motors
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Your brushless runs on a AC system, the brushed on a DC system. The ESC breaks the battery DC into AC and supplies this to the motor at the required power/frequency selected by the transmitter. The two systems are not interchangable. You WILL blow the brushless motor if you run it on DC current.
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