[NSRCA-discussion] Arming Switch

[Rick Sweeney]

On Mon, Feb 13, 2012 at 9:37 PM, Ron Hansen <rcpilot at wowway.com> wrote:

> Retracts predate my involvement in patterns so I can’t speak to that.***
> *
>
> ** **
>
> I can’t easily taxi back my passport on a grass field because of
> insufficient ground clearance.****
>
> ** **
>
> But this is getting off the subject.  I’m willing to withdraw the taxi
> back issue and have the NSRCA recommend to CDs that callers hold on to the
> airplane whenever the batteries are connected.  No AMA or NSRCA rules
> necessary.****
>
> ** **
>
> Ron****
>
> ** **
>
> *From:* nsrca-discussion-bounces at lists.nsrca.org [mailto:
> nsrca-discussion-bounces at lists.nsrca.org] *On Behalf Of *Archie Stafford
> *Sent:* Monday, February 13, 2012 9:01 PM
>
> *To:* General pattern discussion
> *Subject:* Re: [NSRCA-discussion] Arming Switch****
>
> ** **
>
> Ron, the only reason people always picked them up when you started flying
> pattern was that back then we all had conventional gear with retracts. You
> couldn't taxi if you wanted to. That isn't the case now. Some taxiing
> actually speeds up the contest and also helps callers not have to run after
> a plane or rush off the runway while carrying an expensive plane. I would
> much rather back taxi and help eliminate some of the work for my caller.
>
> Sent from my iPhone****
>
>
> On Feb 13, 2012, at 8:52 PM, "Ron Hansen" <rcpilot at wowway.com> wrote:****
>
> No, I was talking about contests only and I said I didn’t think
> this needed to be an AMA or NSRCA rule.  Just an instruction to CDs.****
>
>  ****
>
> Ron****
>
>  ****
>
> *From:* nsrca-discussion-bounces at lists.nsrca.org
> [mailto:nsrca-discussion-bounces at lists.nsrca.org] *On Behalf Of *Archie
> Stafford
> *Sent:* Monday, February 13, 2012 8:40 PM
> *To:* General pattern discussion
> *Subject:* Re: [NSRCA-discussion] Arming Switch****
>
>  ****
>
> People at local clubs taxi out and back all the time. Are you suggesting
> every flight should be done this way even for local sport flyers?  At some
> point you cant regulate everything. Did we become Congress or something?
>  One more example of trying to figure out how to have a rule for
> everything. While we are at it, lets put the judges in cages just for that
> one pilot that lands to close to the judges. I am all for verifying fail
> safe and such, but I don't think we have to require device on top of device
> to fix things. Wait til your caller goes to pull out the arming plug and
> doesn't pull straight out and cracks your fuse. Most arming plugs are as
> hard to remove as the battery connections. I am all for safety, but it
> needs to be the responsibility of the pilot. ****
>
>  ****
>
> Arch
>
> Sent from my iPhone****
>
>
> On Feb 13, 2012, at 8:29 PM, "Ron Hansen" <rcpilot at wowway.com> wrote:****
>
> Perhaps the solution is simple.  Prior to takeoff, it is the
> caller’s responsibility to hold the airplane once the batteries are
> connected and not release the airplane until it is set down on the runway.
> After landing, the pilot does not taxi back but rather the caller retrieves
> the airplane and does not let go of it until the batteries are disconnected
> by the pilot.  The CDs should remind the pilots of this procedure during
> the pilot briefing at the beginning of each day.****
>
>  ****
>
> I don’t believe this needs to be in AMA or NSRCA rules but rather
> instructions that the NSRCA passes down to the CDs.****
>
>  ****
>
> When I started flying pattern in D4 the pilots never taxied back.
> Now-a-days, it seems like pilots taxi back more often than not. I think D4
> needs to get back to the practice of having the callers retrieve the
> airplanes!!****
>
>  ****
>
> Ron****
>
>  ****
>
> *From:* nsrca-discussion-bounces at lists.nsrca.org
> [mailto:nsrca-discussion-bounces at lists.nsrca.org] *On Behalf Of *Del
> *Sent:* Monday, February 13, 2012 7:29 PM
> *To:* General pattern discussion
> *Subject:* Re: [NSRCA-discussion] Arming Switch****
>
>  ****
>
> *Howdy Verne.. *****
>
> * *****
>
> *    For me to convert would cost mucho dinero 4 sure. Not sure I have
> enough years left of flying to justify that.  *****
>
> *    *****
>
> *    We are enjoying a mild winter here..` Hope you are blessed with the
> same.. *****
>
> * *****
>
> *        Del *****
>
> ----- Original Message ----- ****
>
> *From:* Verne Koester <verne at twmi.rr.com> ****
>
> *To:* 'General pattern discussion' <nsrca-discussion at lists.nsrca.org> ****
>
> *Sent:* Monday, February 13, 2012 7:08 PM****
>
> *Subject:* Re: [NSRCA-discussion] Arming Switch****
>
>  ****
>
> Hi Del. You might want to price out some glow fuel before you commit to
> that!****
>
>  ****
>
> Verne****
>
>  ****
>
> *From:* nsrca-discussion-bounces at lists.nsrca.org
> [mailto:nsrca-discussion-bounces at lists.nsrca.org] *On Behalf Of *Del
> *Sent:* Monday, February 13, 2012 6:55 PM
> *To:* General pattern discussion
> *Subject:* Re: [NSRCA-discussion] Arming Switch****
>
>  ****
>
> *I'm with you Dave.. When I killed the throttle on my glow I knew it
> always stop running and stayed stopped and safe for all.. How quick some
> that abandoned glow for the latest rage never discussed the tradeoffs they
> were truly accepting.. I always figured if "E" power was all its was being
> claimed to be it would be cheaper and more viable than glow.  After reading
> all of this thread it seems the exact opposite it. When I return to
> competition it will be with the safe glow go juice or not at all. *****
>
> * *****
>
> *I can enjoy all of my anatomy while wiping off that yucky glow residue.
> <( ;+)~~~******
>
> * *****
>
> *    Del *****
>
> ----- Original Message ----- ****
>
> *From:* Dave Harmon <k6xyz at sbcglobal.net> ****
>
> *To:* 'General pattern discussion' <nsrca-discussion at lists.nsrca.org> ****
>
> *Sent:* Sunday, February 12, 2012 11:55 PM****
>
> *Subject:* Re: [NSRCA-discussion] Arming Switch****
>
>  ****
>
> I understand…no problem…..but in the instances you
> mention….you just can’t fix stupid….****
>
> But yet…..I have yet to see anyone have a discussion on properly
> setting the failsafe throttle of a glow powered airplane.****
>
> This is kind of like some E-flyers that flew glow for years and years and
> wiped the oil off without a word, then when they convert to electric,
> wiping the oil off a glow plane is suddenly a big deal….and they
> kinda go on and on about it.****
>
>  ****
>
> *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 *Keith
> Black
> *Sent:* Sunday, February 12, 2012 9:24 PM
> *To:* General pattern discussion
> *Subject:* Re: [NSRCA-discussion] Arming Switch****
>
>  ****
>
> Dave, I wasn't saying an arming pin is mandatory, I've had planes with and
> without (currently without for weight), though I much prefer with. ****
>
>  ****
>
> My point (for everyone's consumption not only you) was to be careful
> trusting the fail safe and the receiver power down behavior because
> occasionally speed controls do malfunction. They are definitely better now
> days, but far too often I see guys do things that open the door for
> disaster (I'm not saying you're doing this), and it's pretty scary. People
> just don't always appreciate the danger involved. ****
>
>  ****
>
> For example, I've seen guys finish a flight, turn off their radio and walk
> to the pits, meanwhile the caller brings back plane and sets it down in
> pits while pilot walks around talking for minutes with this potentially
> live plane sitting there still armed. If everything works as it should no
> one will get hurt, but the potential is there for serious consequences. **
> **
>
>  ****
>
> Cheers!****
>
>  ****
>
> Keith  ****
>
> On Sun, Feb 12, 2012 at 5:01 PM, Dave Harmon <k6xyz at sbcglobal.net> wrote:*
> ***
>
> Hi Keith….****
>
> Actually I DID take into account that there IS a possibility that the ESC
> could fail….but I feel the odds of that happening are as I said, a
> lot less than someone mishandling a transmitter.****
>
> How about just plugging the battery in and putting the canopy on within
> the 3 minute starting period??****
>
> The airplane should not have to just sit there plugged in and ready to go
> like a fueled up glow powered airplane….****
>
> After landing someone picks up the model and turns off the radio
> switch….if the helper picks up the airplane and the ESC malfunctions
> he has ahold of it.****
>
> I understand your and others concerns but I just don’t think the
> external plug thing is necessary.  ****
>
> I just don’t see the need to have a battery in the plane unless it
> is manually restrained and going to be flown within the next 3 minutes.***
> *
>
> I don’t mean to imply that I plug in the battery without straddling
> the fuselage….I do!****
>
>  ****
>
> *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 *Keith Black
> *Sent:* Sunday, February 12, 2012 4:29 PM****
>
>
> *To:* General pattern discussion
> *Subject:* Re: [NSRCA-discussion] Arming Switch****
>
>  ****
>
> Dave, you're points are correct, but you're not taking into account a
> malfunction of the speed controller itself. They have been know to
> malfunction, so the safest approach, as Earl suggests, is to assume that
> anytime the battery is connected to the controller the motor may go to full
> throttle. Until you unplug the battery the thing is hot and dangerous
> regardless of your fail safe or switches on the transmitter. ****
>
>  ****
>
> Regarding pulling the disconnect (whether under canopy or via external
> arming pin), step over the model between wings and stab (just like we used
> to run up the glow models) and reach down to pull the plug. If it goes full
> throttle the back of your legs will stop forward momentum.****
>
>  ****
>
> I see far too often that people switch off their radios with the plane in
> a potential dangerous position. This is putting a lot of trust in the
> technology when it's not necessary. When I retrieve my model,  transmitter
> in hand or not, I make sure it is pointed away from people or property.***
> *
>
>  ****
>
> Keith ****
>
> On Sun, Feb 12, 2012 at 2:28 PM, Dave Harmon <k6xyz at sbcglobal.net> wrote:*
> ***
>
> +1 on that.****
>
> Rather than having a disconnect, I think ensuring that the fail safe
> function of the radio is set properly is the way to go.****
>
> Generally…with today’s 2.4g radios…..not 72mhz PCM
> radios….I trust the electronics more than someone holding the
> transmitter. ****
>
> Besides….with a disconnect it would be my luck to rip the side of
> the fuselage off and start a fire that way………or not being
> able to let go of a full throttle model to pull the disconnect….in
> this case just turn off the transmitter and/or have an external radio
> switch and turn off the receiver.****
>
> The ESC will shut off the motor when the ESC loses the pulse from the
> receiver…even if the failsafe is NOT configured correctly.****
>
> Everyone already knows this….or should know it…. but
> it’s a good thing to mention anyway…..****
>
>  ****
>
>  ****
>
> *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 *Keith Hoard
> *Sent:* Sunday, February 12, 2012 1:44 PM
> *To:* General pattern discussion
> *Subject:* Re: [NSRCA-discussion] Arming Switch****
>
>  ****
>
> I'd rather not cut a hole in my plane in the first place, or add another
> point of failure to the system. . . .****
>
>
>
> Keith Hoard
> Collierville, TN
> khoard at gmail.com****
>
> On Sun, Feb 12, 2012 at 1:37 PM, Ronald Van Putte <vanputte at cox.net>
> wrote:****
>
> You can mount a female Deans connector in a piece of thin plywood, use
> Pacer Pro Zap to glue the Deans connector to the plywood and, after cutting
> an appropriate hole in the side of the fuselage, glue the assembly inside
> the fuselage.  Use a male Deans connector with the leads soldered together
> as an arming plug.****
>
>  ****
>
> Or you can buy a SharpRC SafeArm (
> http://www.sharprc.com/catalog/index.php?cPath=43)****
>
>  ****
>
> Being cheap, I do the former.****
>
>  ****
>
> Ron Van Putte****
>
>   ****
>
> On Feb 12, 2012, at 11:55 AM, Ron Hansen wrote:****
>
>  ****
>
> What are the available arming switch options?****
>
>  ****
>
> Thanks****
>
>  ****
>
> Ron****
>
>
>
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>  ****
>
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When it comes to safety, its not me I worry about. Its the guy next up
directly behind me with a 20inch prop starring at my arse...

Rick


> http://lists.nsrca.org/mailman/listinfo/nsrca-discussion
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