[NSRCA-discussion] Arming device

[Vicente Bortone]

It is required by the national electric code that has been around a lot
longer that us.  I believe we want to meet the electric code.

Vicente "Vince" Bortone



On Saturday, May 16, 2015, Jim Woodward via NSRCA-discussion <
nsrca-discussion at lists.nsrca.org> wrote:

> ... Going electric induces a mental physchosis that requires everyone else
> to switch, then go and change the rules for glow :)
>
> Sent from my iPhone
>
> On May 16, 2015, at 9:38 AM, Keith Hoard via NSRCA-discussion <
> nsrca-discussion at lists.nsrca.org
> <javascript:_e(%7B%7D,'cvml','nsrca-discussion at lists.nsrca.org');>> wrote:
>
> I think the YS guys should have their caller remove the fuel tank and glow
> plug before picking up the plane and exiting the runway  . . .
>
>
>
> *From:* NSRCA-discussion [mailto:nsrca-discussion-bounces at lists.nsrca.org
> <javascript:_e(%7B%7D,'cvml','nsrca-discussion-bounces at lists.nsrca.org');>]
> *On Behalf Of *precisionaero via NSRCA-discussion
> *Sent:* Saturday, May 16, 2015 8:38 AM
> *To:* General pattern discussion
> *Subject:* Re: [NSRCA-discussion] Arming device
>
>
>
> I think we should reconfigure a YS engine to drive a generator to supply
> electricity to the electric motor.
>
>
>
>
>
> Sent via the Samsung Galaxy S™ III, an AT&T 4G LTE smartphone
>
>
>
> -------- Original message --------
>
> From: Peter Vogel via NSRCA-discussion
>
> Date:05/16/2015 09:31 (GMT-05:00)
>
> To: General pattern discussion , ronlock at comcast.net
> <javascript:_e(%7B%7D,'cvml','ronlock at comcast.net');>, David
>
> Subject: Re: [NSRCA-discussion] Arming device
>
>
>
> I think we're all in agreement, which is why the rules proposal we put
> forth requires a *physical* break in the circuit!
>
> Sent from Outlook <http://taps.io/outlookmobile>
>
>
>
>
>
> On Sat, May 16, 2015 at 6:16 AM -0700, "ronlock--- via NSRCA-discussion" <
> nsrca-discussion at lists.nsrca.org
> <javascript:_e(%7B%7D,'cvml','nsrca-discussion at lists.nsrca.org');>> wrote:
>
> I'm in agreement.
>
> Ron Lockhart
>
>
> ------------------------------
>
> *From: *"David via NSRCA-discussion" <nsrca-discussion at lists.nsrca.org
> <javascript:_e(%7B%7D,'cvml','nsrca-discussion at lists.nsrca.org');>>
> *To: *nsrca-discussion at lists.nsrca.org
> <javascript:_e(%7B%7D,'cvml','nsrca-discussion at lists.nsrca.org');>
> *Sent: *Saturday, May 16, 2015 1:14:21 AM
> *Subject: *[NSRCA-discussion] Arming device
>
>
>
> I'm not trying to bring up a sore subject but this has been bugging me
> since it was up a while back. I am the senior electronics technician in the
> plasma physics department at the University of Wisconsin. About a third of
> what I do is make interlock circuits for the Madison Symmetric Torus. I
> know that the best way of keeping things safe is to remove the potential
> energy from a circuit to keep bad things from happening. The problem with
> depending on a circuit such as the emcotec type of disconnect or to just
> relying solely on the radio and ESC to keep things safe is failure modes.
> You can plan for all different failure types but to make it a circuit that
> isn't a lead brick being added to the plane there are compromises that have
> to be made. This leads to designing systems that may deal with only the
> most common types of failures. For example most common diodes and tantalum
> capacitors usually fail in a shorted mode, but not always. Many carbon
> resistors will decrease in résistance just prior to opening up. You get the
> idea, there are just so many possibilities and combinations that in my
> opinion the only real way to safe a power system is to disconnect the
> energy source. Ok, now I feel better that I said something.
>
>
>
> David
>
>
>
>
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>

-- 
Vicente "Vince" Bortone
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