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Old Dec 01, 2012, 03:09 AM
darn you, kakka carrot cake.
derpron's Avatar
Australia, WA, Perth
Joined Aug 2012
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how do i use a standalone UBEC?

http://www.hobbyking.com/hobbyking/s...BEC_3A_5v.html

im gonna buy this for the HK 40-50 amp opto ESC's. im trying to figure out how it works.
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Old Dec 01, 2012, 03:44 AM
Grumpy old git.. Who me?
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Old Dec 01, 2012, 03:44 AM
222 km/hr Parkjet flyer
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Latvia, Ventspils pilsēta, Ventspils
Joined Jan 2010
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Simple ... as you already are buying OPTO ESC - means you only have to connect the power IN leads to same as the ESC to battery ...

That is both +ve ESC and UBEC leads together and both -ve ESC and UBEC leads together to the respective pins of the battery plug you use.

You then plug in ESC to throttle channel and the UBEC Rx plug to any spare Rx socket ... as all + / - pins of Rx are common.

When you connect LiPo - you will now power the Rx via the UBEc and ESC will receive command for throttle ...

Simple.

The only difference if you want to use a UBEC with a BEC equipped ESC is that you would remove the RED +ve pin from the ESC Rx plug so that UBEC provides power alone.

Nigel
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Old Dec 01, 2012, 03:45 AM
222 km/hr Parkjet flyer
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Latvia, Ventspils pilsēta, Ventspils
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Originally Posted by JetPlaneFlyer View Post
Hi JPF ... he already has OPTO - so the disconnect RED lead is not necessary ...



Nigel
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Old Dec 01, 2012, 03:56 AM
Grumpy old git.. Who me?
JetPlaneFlyer's Avatar
Aberdeen
Joined Mar 2006
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Originally Posted by solentlife View Post
Hi JPF ... he already has OPTO - so the disconnect RED lead is not necessary ...



Nigel
Correct, the diagram is written for castle ESC's and the "disregard if using Pheonix HV controller" note covers that in the world of castle ESC's (Pheonix HV are OPTO).

Other than leaving the red wire the diagram is good.
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Old Dec 01, 2012, 04:38 AM
darn you, kakka carrot cake.
derpron's Avatar
Australia, WA, Perth
Joined Aug 2012
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Originally Posted by JetPlaneFlyer View Post
ahh thanks, what channel do i plug the BEC into? im going to use the throttle, rudder, ailerons and elevator so could i put it into the bind/battery slot? or mabey channel 5 or 6?
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Old Dec 01, 2012, 05:14 AM
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Australia, ACT, Kambah
Joined Feb 2001
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Originally Posted by colj00 View Post
ahh thanks, what channel do i plug the BEC into? im going to use the throttle, rudder, ailerons and elevator so could i put it into the bind/battery slot? or mabey channel 5 or 6?
Pretty explicit in Solentlife's post #3:

"You then plug in ESC to throttle channel and the UBEC Rx plug to any spare Rx socket ... as all + / - pins of Rx are common."
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Old Dec 01, 2012, 08:51 PM
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United States, ID, Burley
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Originally Posted by JetPlaneFlyer View Post
WOW thank YOU !!! Been wondering on this myself !!
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Old Dec 01, 2012, 09:07 PM
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WesternFlyer's Avatar
USA, AZ, Chandler
Joined Mar 2007
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A perfect example of how a picture says a thousand words. Great graphic, JetPlaneFlyer.
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Old Dec 01, 2012, 10:13 PM
darn you, kakka carrot cake.
derpron's Avatar
Australia, WA, Perth
Joined Aug 2012
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Quote:
Originally Posted by scirocco View Post
Pretty explicit in Solentlife's post #3:

"You then plug in ESC to throttle channel and the UBEC Rx plug to any spare Rx socket ... as all + / - pins of Rx are common."
hehe. kay. ty
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Old Dec 02, 2012, 09:19 AM
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United States, MD, Aberdeen
Joined Aug 2012
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If you do not have a spare port on your receiver to the plug the BEC into, you can use a Y-connector between the BEC and any other servo or the throttle from the ESC as well.
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Old Dec 02, 2012, 05:51 PM
If I build it, it will fly
United States, NY, East Rochester
Joined Jan 2012
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Option #2 if no open Ports on RX:
Release the pin locks from the BEC rx plug & slip them into the two open slots on your opto ESC plug (if ESC has built in BEC remove & cap +/- leads, then replace them with leads from the stand alone BEC).

~psguardian
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