[NSRCA-discussion] How to safely arm/disarm your motor packs?

[John Ford]

I use a set of 4mm plugs on a wire that is external to the plane. My positive wire just exits the side of the plane with some rubber gromets protecting the wall. 
I really cringe at the idea of not having a visible external disconnect...

John

Sent from my iPhone

> On Feb 22, 2015, at 15:47, Chris via NSRCA-discussion <nsrca-discussion at lists.nsrca.org> wrote:
> 
> I would say that there really is no reason not to use one.  Most planes today that we use for electrics are built lighter and can afford the grams of extra weight and still be comfortably under the limit.  Yes, you can program the radio to not arm with a switch or throttle but nothing is as sure as a mechanical break in the circuit. 
> 
> Chris
> 
> 
> 
> 
> 
>> On 2/22/2015 3:11 PM, lucky macy via NSRCA-discussion wrote:
>>  Hope the title isn't confusing nor do I wish to start any kind of philosophical 'war' on pit area safety, etc.
>>  
>> I hear there are 10S pattern setups that don't use an external arming plug.  That seems unsafe to me to have the batteries connected to the motor without an external physical circuit breaker but I'm probably overlooking some capability that can be set up using a Futaba 14MZ.  With the advanced planes that are a little awkward to a carry around armed and where the hatch has to be screwed into the fuse for extra canalyzer security it seems like an accident waiting to happen this way.
>>  
>> So for those that know how to relatively safely set this up could you pass on the formula?  My new Mythos doesn't have an external arming plug and I'm beginning to think I made a mistake.
>>  
>> thx,
>> lucky
>> 
>> 
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