[NSRCA-discussion] Looking for a pattern plane

Wed May 9 14:56:37 AKDT 2012

Ed,
The HobbyKing regulator switches are a direct copy of this:

http://www.powerbox-systems.com/e/powerbox_systeme/powerbox_sensor/start.php

They program the same, operate the same, identical in every respect I can find.  Quality appears to be very good.  Yours have them beat on being able to program the output voltage.  I use 6.3volts on one side operating off the balance connector on my flight pack, and 6.2 for my backup battery.

Jon

-----Original Message-----
From: Ed Alt <ed_alt at hotmail.com>
To: General pattern discussion <nsrca-discussion at lists.nsrca.org>
Sent: Wed, May 9, 2012 2:49 pm
Subject: Re: [NSRCA-discussion] Looking for a pattern plane

Well, it sure has been fun watching all the email fly, innuendos and all.  Maybe Ron just sent the wrong link, because no where in the product description or specs provided does it say that it is a dual regulator.  That is, after all, the information that we have to go by from his original post.  This description implies a switching circuit at the input side to the regulator is employed.  If I was looking for a dual redundant regulator, I would expect the description to say that somewhere.  Or it could be inaccurate since details sometimes get lost in product information when the writer isn’t as familiar with the English language as we might otherwise expect. 

Ed

----------------------------------------------------------------------------------------------------

The HobbyKing Regulator switch is an easy       and convenient way to add dual power redundancy to your electronics       system. Simply use a pair of 7.4v Lipoly       batteries and the system will provide dual 5.9v power outputs. The dual       outputs can be used for 2 receivers or with a single receiver by using       only one power output. In the case of a single output/single receiver       configuration the output being used is supplied power by both batteries or       a single battery in the case of a battery failure.

This system       provides a stabilized voltage of 5.9v. Perfect for 6v Rx       systems. This design enables you to use the latest lightweight       Lithium-Polymer cells without exceeding the maximum voltage of 6.0       Volts.

The Hobbyking Sensor is equipped with LED       power-on indicators for both power circuits. If you switch one battery on,       the associated green LED glows. When both batteries are active, both LEDs       light up.

The total voltage loss in the HobbyKing       Sensor is about .35v which is so low that the volume of waste heat is       almost negligible. The maximum continuous current is 5A which means it can       easily handle up to 8 servos. However the rated continuous current of 5A       does not reflect the capacity of the electronics which can handle much       more for short periods, depending on ambient air temperature.

Do not allow the heat sink to exceed 60       Celsius

Specs:
Operating Voltage:       4~9v 
Power Supply: One or Two 2S 7.4v Lipoly
Max       Load: 5A       cont.
Voltage Loss: 0.35v
Voltage stabilization:       +/- .1v
Weight:       35g

Directions.
You cannot       manually switch the current from one battery to the other, this is done       automatically within the system. 
The control functions consist of       three push-buttons, two green LED’s and one red LED.
The buttons are       marked SET, I and II.
The ‘SET’ button is to prepare the system.       Holding the SET button in for 2 seconds ‘arms’ both internal switches,       this will be shown by the red LED. After you have armed the system, press       either or both I, II buttons to activate each battery.
Press and hold       ‘SET’ to switch the system off again.

From: Ronald Van Putte 
Sent: Wednesday, May 09, 2012 10:53 AM
To: General pattern discussion 
Subject: Re: [NSRCA-discussion] Looking for a pattern plane

When I did the test, only one lipo at a time was hooked up to the separate switch/regulator inputs.  The output voltages were different, which I attributed to tolerances in two regulators within the device.  If there really is only one regulator in the switch/regulator, I cannot understand why there's a difference in output voltages.  

Ron Van Putte 

On May 8, 2012, at 8:12 PM, John Gayer wrote:

You are still only reading the regulator   output from one of the lipos and both outputs would have to be the same.   
Ed is saying the single regulator dual outputs are not independent as they   would be if you used two tech-aero or jaccio regulators.
Sounds like a good   system to have on a smaller cheaper aircraft than our 2 meter pattern planes.   Gives you redundant batteries but not redundant power systems. You are now   reliant on a single point of failure 14 dollar regulator. 
John
On   5/8/2012 5:01 PM, Ronald Van Putte wrote:   
Any comments from Jim Oddino?     

On May 8, 2012, at 5:51 PM, Ed Alt wrote:

      Not       necessarily.  

      From:       Ronald Van Putte       

Sent: Tuesday, May 08, 2012 6:38 PM

To: General pattern discussion 

Subject: Re: [NSRCA-discussion] Looking for a pattern       plane

      Hmmmm.        I wonder why I measure different voltages when I switch on the two 2S lipo       batteries at different times.  If it had a single regulator, I would       think the output voltage would be the same, no matter which battery was       chosen.       

Ron

On May 8, 2012, at 5:25 PM, Ed Alt wrote:

It’s actually a dual output single regulator that can switch         between two power sources.  It provides two leads from the same         internal source, so only the battery side of things has any         redundancy.

Ed

From: Ronald Van         Putte 

Sent: Tuesday, May 08, 2012 6:16 PM

To: General pattern discussion 

Subject: Re: [NSRCA-discussion] Looking for a pattern         plane

        Ron         - It is a dual regulator/switch which allows you to hook up two lipo         batteries and have them separately regulated to 5.9 volts and use one or         both of the outputs.  Look here:         

http://www.hobbyking.com/hobbyking/store/uh_viewItem.asp?idProduct=16811

I sell them for under $20.

Ron

On May 8, 2012, at 4:42 PM, ronclark tds.net wrote:

Hey Ron, rusty and old, but I'm going to give it another try.           Emory Schroeter told me about a dual regulator for the receiver pack           that you are selling, what's the scoop?

Ron

On Fri, May 4, 2012 at 5:41 AM, Ronald Van           Putte <vanputte at cox.net>           wrote:

Hey Ron:  Buy it and our old             fingers can duke it out again.  I look forward to having you on             the contest trail again.             

Ron

On May 3, 2012, at 11:24 PM, AC Glenn wrote:

Hey Ron I have a Ca Models Visa for sale ready to fly and               would be more than happy to drive it down to your place.               

Sent from my iPhone

On May 3, 2012, at 7:39 PM, "ronclark tds.net" <ronclark at tds.net>               wrote:

I'm looking for a used pattern plane. It's been about 10                 years since my last contest,   and I want to give                 these old fingers another chance. I'm looking for a fixed gear                 2m design, and plan to do an electric setup. I can convert a                 methanol burner if necessary.  I live in Nashville,tn.,                 avoiding shipping would be good. Please reply off line to: ronclark at tds.net

Thanks...Ron

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