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Old Jul 11, 2009, 11:20 AM
Registered User
Norway
Joined Jul 2009
1 Posts
Discussion
How to install twin motors

Im interested in setting up a twin engine aircraft on a AR6100.
Due too me being new to installing the electric components
my self i thought i could get some "RC for dummies" hints

I have several brushless engines, ESC and lipo batteries.
What i have read so far is that one battery is the smartest
way to go. But what im after is a wiring diagram for one battery connected
to two ESCs with one engine each, all controlled by one channel
on the Rx. If someone can guide me to a thread where a beginner like
me can understand what to do, or even better, draw me a simple
wiring diagram in paint

Thanks in advance.
Lars
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Old Jul 11, 2009, 12:41 PM
Registered User
EricJ320's Avatar
Knoxville, TN
Joined Dec 2005
1,502 Posts
Not that difficult.

Solder the battery leads on both ESC's to a single connector, or use a simple parallel lead to connect the two ESC's. Use a single battery to power both, or another parallel lead if you want to parallel two batteries.

As for the rx wire, it somewhat depends if your ESC's BEC can be run in parallel or not. I know Castle ESC's can, there are others I've read that can't. Use a servo y connector and link the two ESC's together and run the y connector into the throttle position on your rx. If you determine the BEC's can't be run in parallel, you will have to deactivate one of the BEC's by removing the center wire from the the connector, or use an external BEC.

Sorry for no diagram, but I hope the description is simple enough to understand without it.

Eric
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Old Jul 11, 2009, 12:53 PM
homo ludens modellisticus
Ron van Sommeren's Avatar
The Netherlands, GE, Nijmegen
Joined Feb 2001
10,863 Posts
Wiring diagrams (a sure bookmark candidate )
scriptasylum.com/rc_speed/_wiring.html

To meet the natives:
forum.modellflynytt.no/forumdisplay.php?f=63
forum.radiostyrt.no/vb/forumdisplay.php?f=22
Slightly less native, but more active:
www.svensktmodellflyg.se/forum1.asp?viewmode=0&CurrentMainTopic=2
www.rc-unionen.dk/nytforum/forum.asp?FORUM_ID=40

Med venlig hilsen, Ron
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Last edited by Ron van Sommeren; Jul 11, 2009 at 01:03 PM.
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Old Jul 11, 2009, 01:00 PM
homo ludens modellisticus
Ron van Sommeren's Avatar
The Netherlands, GE, Nijmegen
Joined Feb 2001
10,863 Posts
Quote:
Originally Posted by rhamz
... a beginner like me
For a rainy day.

* Presentation: de-mystifying Electric Flight
www.rcaircrafters.org/The%20Electric%20Show.pdf

* Brushless motor animations and simulations. Mostly outrunners but inrunners are just outrunners turned inside out.
www.rcgroups.com/forums/showthread.php?t=216928

* www.wattflyer.com/forums/forumdisplay.php?f=3
-> Everything You Wanted To Know About Electric Powered Flight

* www.ampaviators.com
-> Beginner Guide

* www.ezonemag.com
-> Faq

* Choosing a power setup
www.rcgroups.com/forums/showthread.php?t=739069
www.wattflyer.com/forums/showthread.php?t=27019

* Current, voltage, Watt, battery-types and -C-rating explained
www.rcgroups.com/forums/showthread.php?t=417868

* 'Dry' testing brushless motors after a mishap:
www.wattflyer.com/forums/showthread.php?t=35216
www.rcgroups.com/forums/showthread.php?t=240993

* Motor_internals_101, about poles, winds, delta, star
www.gobrushless.com
-> knowledge base
-> basic overview (1-5)
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Old Jul 11, 2009, 01:48 PM
An itch?. Scratch build.
eflightray's Avatar
South Wales U.K.
Joined Mar 2003
13,624 Posts
Lars here's a connection diagram for twin brushless.

And a link to my twin brushless Mosquito thread, (there are loads of other twins in various forums, but the Foamies (Scratchbuilt) is a good place to search) -

Mosquito profile foamie

Good luck with your twin.
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Old Dec 02, 2009, 06:19 PM
Hals und Beinbruch !!!!
lw_hughes's Avatar
Joined Aug 2002
731 Posts
I am looking for some info on connecting 2 esc to a ar6400. I dont want to fry the rx with twice the input voltage. Any help would be great.
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