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HomeAircraftHelicopterRadio - Spektrum DSM › Ar7100r - can you bypass the power Dean input - run power directly into channel?
11-17-2011 06:52 PM  6 years agoPost 1
VibeElite

rrApprentice

Worcester, MA - USA

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I was wondering if it was possible to supply power to the receiver via one of the input channels on the receiver itself thereby bypassing the large male Deans input on the receiver it self.

Or will the Ar7100r onlt take power input from the Deans input?

I like some of the newer Perfect regulators which supply power via a regular servo channel and extension versus a Dean connector.

* you ain't crashin' if you ain't flyin! *

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11-17-2011 07:18 PM  6 years agoPost 2
ticedoff8

rrKey Veteran

Morgan Hill, CA. USA

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Yes, the + & - pins on the servo connectors are directly connected to the battery input on the AR7100R
BUT!!!! Be careful of the 3 servo connectors that have the 5.2v regulated output (throttle, rudder & AUX1) - these are not the same as the battery input. I don' think you could burn out the AR7100R if you connected the regulator to them, but it wouldn't function.

One other consideration is the input voltage from the regulator should be at least 6v for the AR7100R internal regulator to deliver 5.2v - if your regulator output is set below 6v, then the 5.2v outputs will start to drop off too.

I just bought the Perfect Regulators Spekline - it is pre-wired with the Dean's connectors - and the v2 version has the jumper setting for 6.0 or 6.5v output. It is rated at 10amp continuous and 16amp spike.
If you have the Dean's on your AR7100R (like I do) then it is plug & play.
The only "problem" is it is limited to 2s LiPo input.

I assume you are using one of the "pass through" regulators - you hook up the regulator between the RX & the swashplate servos. I didn't look at the Perfect Regulators version.

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11-18-2011 05:16 PM  6 years agoPost 3
VibeElite

rrApprentice

Worcester, MA - USA

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Thanks for the info Ticedoff8. No, I am not using a pass through regulator. I use a Spekline between the battery and the recevier.

I was just wondering if I could still use a Perfect Regulator such as a Rigid or Flex Pro that puts power out VIA a servo connection (versus a Deans to Deans) into the AR7100r.

Chances are I will just stay with the Spekline as it is made for the Ar7100r. Just looking at options for the sake of.

* you ain't crashin' if you ain't flyin! *

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11-18-2011 05:34 PM  6 years agoPost 4
cbflys

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Nesconset, NY - USA

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Getting the power into the receiver through the 'Non-Regulated' servo outputs is perfectly acceptable. You must be aware though that servo type connectors are only good for carrying between 1 - 2 amps. So if you are powering a full setup through the receiver you'll have to bring power in through multiple leads.

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11-19-2011 12:49 AM  6 years agoPost 5
ticedoff8

rrKey Veteran

Morgan Hill, CA. USA

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you must be aware though that servo type connectors are only good for carrying between 1 - 2 amps.
I agree - but I would say closer to 2 to 3amps. Above 3amps, the resistance of the pins on the connector cause a voltage drop through the connector - less voltage delivered to the RX.

Most of the high current regulators have two "heavy duty" servo connectors - and you need two open channels on the RX to plug them in.
You can cobble together a "Y" cable to share the servo connection & the regulator - just make sure the "Y" cable uses heavy duty wire. With this setup, you are good for about 6amps current draw with no voltage loss through the connections.

I just received the Perfect Regulators Spekline in today's mail. It looks simple and it comes with the Dean's plugs pre-wired. There is a switch for 6.0v or 6.5v output. It says it is rated at 10amp continuous and 16amp spikes.
Using a 2s LiPo (8.4v) and the switch set to "6.5", I measure 6.65v open-circuit & 6.52v with the RX switched on.

My main concern is to replace the POS (Piece Of Sh1t) Castle Creations BEC Pro 20 - which is a POS. I just hope the Perfect Regulators Spekline doesn't break a wire or burn out (like the POS CC BEC Pro 20 POS).

BTW: Did I happen to mention that the Castle Creations BEC Pro 20 is a Piece of Sh1t? Because, it is.

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