[NSRCA-discussion] Arming Switch

[Keith Hoard]

So what happens when someone forgets to pull their arming plug . . . add
another arming plug?

Keith Hoard
Collierville, TN
khoard at gmail.com




On Sun, Feb 12, 2012 at 10:47 PM, Dave Harmon <k6xyz at sbcglobal.net> wrote:

> So he should have been straddling the tail….and….everyone knows to unplug
> the battery before the radio is turned off.****
>
> I mentioned earlier that the rx COULD be turned off first and the motor is
> not SUPPOSED to start and that I trusted the electronics more than I trust
> someone holding the transmitter…..BUT….someone always has a grip on the
> airplane before any of this happens.****
>
> So…this instance boils down to operator error even if the ESC did fail in
> this way….I’m not convinced that it really did.****
>
> ** **
>
> The Emcotec device is so much overkill….and liable to fail as well.****
>
> If I was to use a disconnect I would do it as Simon pointed out….let’s say
> the black wire from the ESC and the black wire from the battery is all that
> needs to be outside the fuselage. Then, connect or disconnect as needed….no
> shorting plug, no extra weight, nothing to pull a chunk out of the
> fuselage….no expense.****
>
> Even still though….I would have to rewire all the batteries and
> chargers….doable but time consuming.****
>
> ** **
>
> *Dave Harmon*
>
> *NSRCA 586*
>
> *K6XYZ[at]sbcglobal[dot]net*
>
> *Sperry, Ok.*
>
> ** **
>
> *From:* nsrca-discussion-bounces at lists.nsrca.org [mailto:
> nsrca-discussion-bounces at lists.nsrca.org] *On Behalf Of *Peter Vogel
> *Sent:* Sunday, February 12, 2012 9:20 PM
>
> *To:* General pattern discussion
> *Subject:* Re: [NSRCA-discussion] Arming Switch****
>
> ** **
>
> Just relistened to the host's description of what happened (it was his
> plane) -- I was wrong on one detail, he wasn't straddling the tail when he
> turned off the RX.  It did scare the **** out of him and he counted himself
> very lucky that no one was hurt.  Point being, he relied on electronics
> which had performed exactly as advertised 100s of times until the one time
> they didn't.  I don't like those odds.****
>
> ** **
>
> Some would argue my preferred arming switch (The Emcotec safety power
> switch seen here: http://www.hkm-models.com/Emcotec%20Switches.html) does
> the same thing and I should use a more traditional circuit interrupting
> jumper ala the options Keith listed and I sent out a similar list a little
> before that but it would take the simultaneous failure of multiple
> independent components for that to happen.****
>
> ** **
>
> Peter+****
>
> On Sun, Feb 12, 2012 at 6:20 PM, Dave Harmon <k6xyz at sbcglobal.net> wrote:*
> ***
>
> Haha….okok…no problem.****
>
>  ****
>
> *Dave Harmon*****
>
> *NSRCA 586*****
>
> *K6XYZ[at]sbcglobal[dot]net*****
>
> *Sperry, Ok.*****
>
>  ****
>
> *From:* nsrca-discussion-bounces at lists.nsrca.org [mailto:
> nsrca-discussion-bounces at lists.nsrca.org] *On Behalf Of *Peter Vogel
> *Sent:* Sunday, February 12, 2012 7:35 PM****
>
>
> *To:* General pattern discussion
> *Cc:* General pattern discussion****
>
> *Subject:* Re: [NSRCA-discussion] Arming Switch****
>
>  ****
>
> The All Things that Fly episode was from a few shows before the show that
> has 'switches' in the title from late last year.  www.allthingsthatfly.com
> ****
>
>  ****
>
> Bay RC, photo is on there from several years ago, subject is something
> like 'they're not always cute + cuddly'. I don't have time to hunt down the
> link anymore than you do, apparently, but I'm not challenging your
> credibility. ****
>
>  ****
>
> Peter+
>
> Sent from my iPhone4S****
>
>
> On Feb 12, 2012, at 5:23 PM, "Dave Harmon" <k6xyz at sbcglobal.net> wrote:***
> *
>
> *Subject:* Re: [NSRCA-discussion] Arming Switch****
>
>
> _______________________________________________
> NSRCA-discussion mailing list
> NSRCA-discussion at lists.nsrca.org
> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion****
>
>
>
> ****
>
> ** **
>
> -- ****
>
> Director, Fixed Wing Flight Training****
>
> Santa Clara County Model Aircraft Skypark****
>
> ****
>
> _______________________________________________
> NSRCA-discussion mailing list
> NSRCA-discussion at lists.nsrca.org
> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.nsrca.org/pipermail/nsrca-discussion/attachments/20120213/397abe7f/attachment.html>