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Seems like we might want to be protected from the guy using a very
cheap chinese brand and weak shutdown processes, not just those with
good processes and topline equipment. It is still a latent 4
horsepower scimitar sitting there in the pits either way.<br>
John Gayer<br>
<br>
On 2/13/2012 5:41 PM, Dave Lockhart wrote:
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I’ve
made the inquiry to Castle.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><br>
Dave Lockhart<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Team
Castle Creations<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">
<a class="moz-txt-link-abbreviated" href="mailto:nsrca-discussion-bounces@lists.nsrca.org">nsrca-discussion-bounces@lists.nsrca.org</a>
[<a class="moz-txt-link-freetext" href="mailto:nsrca-discussion-bounces@lists.nsrca.org">mailto:nsrca-discussion-bounces@lists.nsrca.org</a>] <b>On
Behalf Of </b>Keith Hoard<br>
<b>Sent:</b> Monday, February 13, 2012 6:32 PM<br>
<b>To:</b> General pattern discussion<br>
<b>Subject:</b> Re: [NSRCA-discussion] Arming Switch<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt"> I guess
I'd have to defer to the ESC manufacturer on that one. Does
anyone know Castle's official position about killing the
receiver signal to disarm the ESC? Apparently Tony has done
it enough that he's confident with that method. <o:p></o:p></p>
<div>
<p class="MsoNormal"><span class="apple-style-span">Keith
Hoard</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Collierville, TN<o:p></o:p></p>
</div>
</div>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><br>
On Feb 13, 2012, at 17:17, John Gayer <<a
moz-do-not-send="true" href="mailto:jgghome@comcast.net">jgghome@comcast.net</a>>
wrote:<o:p></o:p></p>
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<p class="MsoNormal">Keith<br>
<br>
Tony advocated doing just that on RCU post #35:<br>
<a moz-do-not-send="true"
href="http://www.rcuniverse.com/forum/m_10952866/anchors_10955113/mpage_2/key_/anchor/tm.htm#10955113">http://www.rcuniverse.com/forum/m_10952866/anchors_10955113/mpage_2/key_/anchor/tm.htm#10955113</a><br>
<br>
John Gayer<br>
<br>
On 2/13/2012 3:45 PM, Keith Hoard wrote: <o:p></o:p></p>
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<p class="MsoNormal">Bob,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><o:p> </o:p></p>
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<div>
<p class="MsoNormal"> OK, you're right, I thought you
were talking about the transmitter. I couldn't imagine
anyone wanting to turn off the receiver signal ON
PURPOSE as a means to disarm an ESC. You're really
relying on that firmware to do the right thing. <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt"> Ya
gotta treat these things like a loaded gun. What's the
best Gun Control Law? Use both hands!!<o:p></o:p></p>
<div>
<p class="MsoNormal"><span class="apple-style-span">Keith
Hoard</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Collierville, TN<o:p></o:p></p>
</div>
</div>
<div>
<p class="MsoNormal" style="margin-bottom:12.0pt"><br>
On Feb 13, 2012, at 16:12, Bob Richards <<a
moz-do-not-send="true" href="mailto:bob@toprudder.com">bob@toprudder.com</a>>
wrote:<o:p></o:p></p>
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<p class="MsoNormal">Keith,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Agree with everything you
say, except your #2. I said that turning off
the "rx" (receiver) is not completely safe.
Perhaps you thought I said "transmitter".
Turning off the receiver has nothing to do
with failsafe settings as the rx can't
output ANYTHING including whatever the
"failsafe" setting may be. Some of the so
called "arming switches" included on some
ESCs do nothing more than turn power off to
the rx, or disconnect the signal wire from
the rx to the ESC. As someone pointed out,
this leaves the ESC open to possible
interference after it has been armed.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Bob R.<br>
<br>
--- On <b>Mon, 2/13/12, Keith Hoard <i><<a
moz-do-not-send="true"
href="mailto:khoard@gmail.com">khoard@gmail.com</a>></i></b>
wrote:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<div id="yiv259333457">
<p class="MsoNormal"
style="margin-bottom:12.0pt">Bob,<br>
<br>
1) So is leaving your canopy off with ESC
plug displayed until you are in the ready
box. I'd argue that it is more visible
AND directly addresses the problem.
Arming plugs are small and can only be
seen from one side of your airplane. <br>
2) That is a failsafe setting issue that
an affect your airplane any time the
batteries are connected, even during a
flight where the disconnect device is
useless. I agree with demonstrating
proper failsafe setup.<br>
3) Very true.<br>
<br>
What I don't agree with is the NSRCA
issuing an "Airworthiness Directive" ("AD"
in FAA-speak) requiring me to install
equipment to address a <i>potential </i>problem
when I can address that problem in other
ways. I think the Board would be much
better off proposing a rule defining WHAT
outcome they are desiring, then allowing
the competitor to come up with an
effective way to accomplish that
objective. I think we'd be better off
adopting the FAI rule that mandates when
power can be connected to the plane and
let the competitor accomplish that
objective in any manner they wish, either
through good battery management techniques
or disconnect devices.<br>
<br clear="all">
Besides, if you read the NSRCA rule
proposal, all it says is that you have to
install a disconnect device. It does not
mandate when it will be utilized to arm or
disarm the plane. So. . . according to
the rule, I can install the arming plug
and leave it connected at all times, thus
not even solving the original "problem".<br>
<br>
Keith Hoard<br>
Collierville, TN<br>
<a moz-do-not-send="true"
href="http://us.mc1616.mail.yahoo.com/mc/compose?to=khoard@gmail.com"
target="_blank">khoard@gmail.com</a><br>
<br>
<br>
<br>
<o:p></o:p></p>
<div>
<p class="MsoNormal">On Mon, Feb 13, 2012
at 2:18 PM, Bob Richards <<a
moz-do-not-send="true"
href="http://us.mc1616.mail.yahoo.com/mc/compose?to=bob@toprudder.com"
target="_blank">bob@toprudder.com</a>>
wrote:<o:p></o:p></p>
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<p class="MsoNormal">Keith,<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">What you
say it true.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">What I have
taken from this discussion:<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">1) An
arming plug is an externally
visible indicator of "ready
and dangerous".<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">2) Turning
the rx off alone is not a
completely safe condition, and
less so AFTER a flight.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">3) No
safety measure is 100%
infallible, simply due to
human error.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Regardless
of how you render your
aircraft safe, you still have
to remember to do it!!! People
will forget, and that
unfortunately will happen
regardless.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"> <o:p></o:p></p>
</div>
<div>
<p class="MsoNormal">Bob R.<o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"><br>
<br>
--- On <b>Mon, 2/13/12, Keith
Hoard <i><<a
moz-do-not-send="true"
href="http://us.mc1616.mail.yahoo.com/mc/compose?to=khoard@gmail.com"
target="_blank">khoard@gmail.com</a>></i></b>
wrote:<o:p></o:p></p>
</div>
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<p class="MsoNormal"><o:p> </o:p></p>
<div>
<p class="MsoNormal">Just how
many airplanes have we seen
fly out of caller's hands at
contests? Is this a
widespread problem, or just
isolated to a couple
contests? Why can't the
caller maintain positive
control of the airplane
until the owner gets over to
disconnect the battery? If
the caller and/or pilot are
that distracted after a
flight, what is to keep them
from forgetting to removing
the arming plug? <br>
<br>
I think this is a solution
wandering around looking for
a problem. If you can't
remember to disconnect your
battery as soon as possible
after a flight and to only
connect it just prior to
flight then you won't
remember to use your arming
plug to perform the same
functions.<br clear="all">
<o:p></o:p></p>
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