[NSRCA-discussion] 12S for F3A

Ed Alt ed_alt at hotmail.com
Mon Nov 14 15:24:10 AKST 2016


The answer varies all over the place.  Oftentimes, you hear that 50 mA through the chest is likely to be fatal.  It doesn't cook you, it disrupts the signals from your brain as they try to keep your heart beating.  Depending on your medical condition, maybe it takes less, maybe more.


How do get 50 mA or more through your chest? It largely depends on how much voltage is present and how conductive your skin is.  The dryer the skin, the more electrical resistance it has, and the less current will flow.  The lighter you grip is on the electrodes (Shades of Dr. Frankenstein), the less current flows.  In general, you certainly want to avoid licking your fingers on each hand and tightly grasping the positive terminal on one hand, and the negative on the other.


Ed


________________________________
From: NSRCA-discussion <nsrca-discussion-bounces at lists.nsrca.org> on behalf of Koenig, Tom via NSRCA-discussion <nsrca-discussion at lists.nsrca.org>
Sent: Monday, November 14, 2016 5:17 PM
To: 'General pattern discussion'
Subject: Re: [NSRCA-discussion] 12S for F3A


Hi All,



Interesting discussion about the batteries. I thought the rule was 42 V DC.  Are there not serious health implications, i.e.  just how much the body can take? I was always under the impression the rule was safety based and is why the FAI imposed the 42 V rule all those years ago?



I am purely going off what is bouncing around in my head…but I doubt, the FAI will change a rule if its safety based?





Tom



From: NSRCA-discussion [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Atwood, Mark via NSRCA-discussion
Sent: Tuesday, 15 November 2016 6:09 AM
To: Dave Burton; General pattern discussion
Subject: Re: [NSRCA-discussion] 12S for F3A



I’m pretty  sure all we’d get is a rapid movement back to Glow which has no bound for displacement and therefore power.  At least in FAI and Masters.





MARK ATWOOD

o.  (440) 229-2502

c.  (216) 316-2489

e.  atwoodm at paragon-inc.com<mailto:atwoodm at paragon-inc.com>



Paragon Consulting, Inc.

5900 Landerbrook Drive, Suite 205, Cleveland Ohio, 44124

www.paragon-inc.com<http://www.paragon-inc.com/>



Powering The Digital Experience



On Nov 14, 2016, at 1:23 PM, Dave Burton via NSRCA-discussion <nsrca-discussion at lists.nsrca.org<mailto:nsrca-discussion at lists.nsrca.org>> wrote:



Let's cut cost and increase participation by reducing to 8S rather than 12S. Airplanes will be smaller and cheaper, batteries will be cheaper, and we won't have to worry about the weight limit. We won't have to worry about the 2M  biplanes that will be bigger (the logic of that argument about the weight limit gives me a migraine trying to understand how 2 meters becomes bigger).

Dave



From: NSRCA-discussion [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Bill Pritchett via NSRCA-discussion
Sent: Monday, November 14, 2016 12:08 PM
To: Atwood, Mark; Andrew Jesky; General pattern discussion; General pattern discussion
Subject: Re: [NSRCA-discussion] 12S for F3A



+1

Adding the option of 12S is about efficiency, being nice to your batteries....

Bill



________________________________

From: "Atwood, Mark via NSRCA-discussion" <nsrca-discussion at lists.nsrca.org<mailto:nsrca-discussion at lists.nsrca.org>>
To: Andrew Jesky <andrewjesky at gmail.com<mailto:andrewjesky at gmail.com>>; General pattern discussion <nsrca-discussion at lists.nsrca.org<mailto:nsrca-discussion at lists.nsrca.org>>
Sent: Friday, November 11, 2016 5:28 PM
Subject: Re: [NSRCA-discussion] 12S for F3A



To Andrew’s point, power is already unlimited in our rules.  Glow is not constrained, only E-power.  So while normally I’m a staunch opponent to any rule change that will alter the designs of our planes and thus obsolete everything and increase costs, I don’t think supporting 12S does that.



Power is not currently limited, so allowing 12s doesn’t change the available power.  It merely allows those flying electric to do so more efficiently.  And yes… A YS200 will likely  support even larger Bipes if they can build them and make weight.





MARK ATWOOD

o.  (440) 229-2502

c.  (216) 316-2489

e.  atwoodm at paragon-inc.com



Paragon Consulting, Inc.

5900 Landerbrook Drive, Suite 205, Cleveland Ohio, 44124

www.paragon-inc.com



Powering The Digital Experience



On Nov 11, 2016, at 5:11 PM, Andrew Jesky via NSRCA-discussion <nsrca-discussion at lists.nsrca.org> wrote:



Then cap the wattage we can reach, But don't worry when YS comes out with there 200 that won't allow the pattern planes to grow as long as there under 5000 without fuel right? ??



Andrew

Sent from my iPhone





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