[NSRCA-discussion] Arming plug and Failsafe

Steve Hannah shannah1806 at gmail.com
Thu May 28 08:55:33 AKDT 2015


If all you want is an external indication of armed packs, this is really easy to do. I just installed a blinding green LED on mine . I have mine connected to my RX on an unused channel. Since I use the Mezon 90 with BEC it will be illuminated when either my main packs are connected or if just my backup is powering the RX. 

I got the LED (actually several colors to try), mount and a 270 ohm resistor from sparkfun and allelectronics.  Sparkfun's LED's are brighter than allelectronics. I can see the darn thing 150m out!

Use this tool to figure out what you need for a resistor. http://led.linear1.org/led.wiz


> On May 27, 2015, at 18:42, Jas via NSRCA-discussion <nsrca-discussion at lists.nsrca.org> wrote:
> 
> So a combination red/orange/green led for 38v, 40v and 42v?
> 
> Sent from my iP
> 
>> On May 27, 2015, at 9:25 PM, ronlock--- via NSRCA-discussion <nsrca-discussion at lists.nsrca.org> wrote:
>> 
>> I'm in if you have any thoughts of marketing one.
>> In mean time, how much fuss is it to come up with a part number
>> for the resistor & LED?  Is resistor gonna get hot?
>> This raises question of at what voltages will LED be on?
>> We want it on, in the case pilot runs batts way too low, as
>> in loaded a used set and got a third of the way thru sequence.
>> I guess nothing is as simple as it first appears.
>> In my Bravo, given large canopy, LED will have to mount in front of
>> firewall, or behind canopy.
>>  
>> I'm still interested in an LED that would confirm installed batts
>> are above 20v, to prevent installing a lightly or heavily used set.
>> Later,  Ron
>> 
>> From: "Ed Alt via NSRCA-discussion" <nsrca-discussion at lists.nsrca.org>
>> To: "Vicente Bortone" <vincebrc at gmail.com>
>> Cc: "General pattern discussion" <nsrca-discussion at lists.nsrca.org>
>> Sent: Tuesday, May 19, 2015 11:57:16 AM
>> Subject: Re: [NSRCA-discussion] Arming plug and Failsafe
>> 
>> In its simplest form, It's just a resistor and an LED.
>> 
>> 
>> 
>> On May 19, 2015, at 11:55 AM, Vicente Bortone <vincebrc at gmail.com> wrote:
>> 
>> I agree with Ed.  I think the 50 ft could be increases to 100 ft. It is just amazing how bright is that LED. Ok Ed,  You got a new product to make.  The ARMING LED. 
>>> On Tue, May 19, 2015 at 10:45 AM Ed Alt via NSRCA-discussion <nsrca-discussion at lists.nsrca.org> wrote:
>>> Not with the LEDs I use.  You can see them at 50 feet on a bright day.
>>> 
>>> 
>>> 
>>> On May 19, 2015, at 11:44 AM, Jay Marshall via NSRCA-discussion <nsrca-discussion at lists.nsrca.org> wrote:
>>> 
>>> No - Difficult to reliably see LED in bright sunlight ….
>>> 
>>>  
>>> 
>>> Jay Marshall
>>> 
>>>  
>>> 
>>> From: NSRCA-discussion [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Jas via NSRCA-discussion
>>> Sent: Tuesday, May 19, 2015 11:26 AM
>>> To: General pattern discussion
>>> Subject: Re: [NSRCA-discussion] Arming plug and Failsafe
>>> 
>>>  
>>> 
>>> Nice idea, light weight and probably easy to do. 
>>> 
>>> Sent from my iP
>>> 
>>> On May 19, 2015, at 10:49 AM, Rudy via NSRCA-discussion <nsrca-discussion at lists.nsrca.org> wrote:
>>> 
>>> All this rhetoric is making us aware of electrical safety issues in pattern flying. That’s good in itself whether you use an arming device or use a switch on your radio. Redundant systems: arming and radio switch are safer still. They both work when used.
>>> 
>>>  
>>> 
>>> Someone mentioned how can you tell if the plan is energized. Hmm, how about an LED light at the top of the plan just behind the canopy that is lit when the system is energized. Oh my, that’s another worm for the cam.
>>> 
>>>  
>>> 
>>> ¿Por Qué No?
>>> 
>>>  
>>> 
>>>  
>>> 
>>> _______________________________________________
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>> 
>> 
>> -- 
>> Vicente "Vince" Bortone
>> 
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