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05-03-2005 10:47 PM  12 years agoPost 1
mdgyro

rrApprentice

Hawkinsville,GA

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Do you have to have a regulator if you are running a 7.4v lithium ion or does the speed control have one built in?

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05-04-2005 03:54 AM  12 years agoPost 2
Saint728

rrProfessor

Honolulu, Hawaii

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Why would you need a regulator to run 7.4V? What are you trying to do with the battery? If it's for a electric helicopter main motor then you will need at least 7.4V to get it flying. Most electric helicopters fly on 11.1V or higher. The ESC doesn't have a regulator in it, it just passes through whetever voltage your battery has.

Take Care,
Cheers, Patrick

Check the hotties in my Gallery
http://rc.runryder.com/helicopter/gallery/9019/?all=photo

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05-05-2005 11:40 AM  12 years agoPost 3
PietervA

rrVeteran

New Zealand

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I think he's asking whether you need a BEC/regulator for the Rx, rather than using a separate Rx battery, or whether the ESC supplies a regulated voltage to the Rx.

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05-05-2005 02:21 PM  12 years agoPost 4
Saint728

rrProfessor

Honolulu, Hawaii

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Oh well if that is the case it depends on the brand and type of ESC you buy. Some have BEC's and some don't. If it has a BEC then the ESC will regulate the voltage down to 4.8V's so you don't have to use a separate rx battery. If it doesn't have a BEC then you will either have to use a separate rx battey or get a separate UBEC.

Take Care,
Cheers, Patrick

Check the hotties in my Gallery
http://rc.runryder.com/helicopter/gallery/9019/?all=photo

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05-09-2005 01:45 AM  12 years agoPost 5
mdgyro

rrApprentice

Hawkinsville,GA

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PietervA is right, thats what I need to know. I hooked it up and checked the voltage at the receiver plug and it was 5.0v. I asked the question before the esc came in. Thanks alot guys.

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