[NSRCA-discussion] No telemetry rule & new radio systems

[Keith Hoard]

If it was truly "closed loop" then you should be wearing a blindfold and
have earplugs inserted. . .

Keith Hoard
Collierville, TN
khoard at gmail.com




On Mon, Nov 21, 2011 at 11:12 AM, J N Hiller <jnhiller at earthlink.net> wrote:

>  "Closed Loop" ?? Dose this include information displayed for pilot and
> or caller to use during a competition flight? Or only electronic? If the
> info is displayed on the TX screen should it be blacked out during flight?
> A beep for low voltage is obviously a good thing but much more than that
> could be perceived as unequal advantage. Personally I don't have the time
> or processing ability to deal with it in real time. Keeping track of what
> I'm trying to do is about all I can manage.****
>
> Jim****
>
> ** ******
>
> -----Original Message-----
> *From:* nsrca-discussion-bounces at lists.nsrca.org [mailto:
> nsrca-discussion-bounces at lists.nsrca.org]*On Behalf Of *Jay Marshall
> *Sent:* Monday, November 21, 2011 8:00 AM
> *To:* 'General pattern discussion'
> *Subject:* Re: [NSRCA-discussion] No telemetry rule & new radio systems
>
> ** ******
>
> “Good” and “No Good” are not the issue. As far as I am concerned, all
> information can be “Good”. The issue is how it is used – no closed loop
> control.****
>
>  ****
>
> Jay Marshall****
>
>  ****
>
> *From:* nsrca-discussion-bounces at lists.nsrca.org [mailto:
> nsrca-discussion-bounces at lists.nsrca.org] *On Behalf Of *
> rcmaster199 at aol.com
> *Sent:* Monday, November 21, 2011 10:44 AM
> *To:* nsrca-discussion at lists.nsrca.org
> *Subject:* Re: [NSRCA-discussion] No telemetry rule & new radio systems***
> *
>
>  ****
>
> So, who's gonna draft a replacement rule for the old, antiquated one?
> Sounds to me like some types of telemetry are not a bad thing (airborne
> radio voltage, servo condition, are two OTOH). Other types are no good
> (direction, rpm, voltage/current of power supply, exhaust temp, etc)****
>
>  ****
>
> MattK****
>
> -----Original Message-----
> From: Verne Koester <verne at twmi.rr.com>
> To: 'General pattern discussion' <nsrca-discussion at lists.nsrca.org>
> Sent: Mon, Nov 21, 2011 10:24 am
> Subject: Re: [NSRCA-discussion] No telemetry rule & new radio systems****
>
> They were removed in mine as well. That was the last Futaba top tier radio
> that came with good stiff springs.****
>
>  ****
>
> Verne****
>
>  ****
>
> *From:* nsrca-discussion-bounces at lists.nsrca.org [
> mailto:nsrca-discussion-bounces at lists.nsrca.org<nsrca-discussion-bounces at lists.nsrca.org?>]
> *On Behalf Of *Bob Richards
> *Sent:* Monday, November 21, 2011 9:21 AM
> *To:* General pattern discussion
> *Subject:* Re: [NSRCA-discussion] No telemetry rule & new radio systems***
> *
>
>  ****
>
> I think we all know what the intent of the rule is, but I think we all
> agree that the rule needs to be modified to make that clear.****
>
>  ****
>
> As for a snap switch, it is not a "control sequencing or control
> timing device" as it does not initiate any kind of sequence or start any
> kind of timing event, IMHO. Does anyone remember the very first Futaba 8SGA
> transmitters that DID have timers on the snap switch function, such that
> when you activated the switch it would deflect the different control
> surfaces for a predetermined amount of time (programmable). In my
> transmitter, the adjustment pots for that had been removed, presumably
> because of the rules against such functions.****
>
>  ****
>
> Bob R.****
>
>
>
> --- On *Sat, 11/19/11, John Ford <astropattern at yahoo.com>* wrote:****
>
>
> From: John Ford <astropattern at yahoo.com>
> Subject: Re: [NSRCA-discussion] No telemetry rule & new radio systems
> To: nsrca-discussion at lists.nsrca.org
> Date: Saturday, November 19, 2011, 8:03 PM****
>
> I would speculate that the term "feedback" means a closed control loop
> where the telemetry data would actually become pre-programed data input to
> the TX software such that throttle, rates, flight conditions, or mixes
> would actually be modified by the software in real time. That would
> certainly be a game-changer!
> Just having open telemetry isn't an advantage...it's probably a
> distraction, unless you alarm on Rx battery voltage or something like that.
>
> John
>
>
>
>
> On Sat, Nov 19, 2011 5:37 PM EST Peter Vogel wrote:
>
> >Hmm.
> >
> >So I'm looking at section 4.4 of the AMA Competition regulations here:
> >http://www.modelaircraft.org/files/2011-2012RCAerobatics1.pdf
> >
> >I see the following emphasis mine:
> >
> >Radio control equipment shall be of the open loop type
> >(i.e. *no electronic feedback from the model to the *
> >*ground*)
> >
> >It then goes on to provide examples of what is/is not permitted:
> >
> >Examples of control functions not permitted:
> >8) Electronic or other signal or feedback
> >from the model of *any kind.*
> >
> >I believe the verbiage needs to be changed to reflect the spirit and
> intent
> >of the rule, which is to prevent telemetry data (i.e. heading, airspeed,
> >etc.) that would provide an advantage in precision to the pilot flying
> with
> >said equipment.  Basic telemetry data such as the state of charge for the
> >reciever and main system batteries (in the case of an electric) model
> >and/or engine/motor temperature, RPM, etc. provide no such advantage and
> >should be permitted as it enhances flight safety and provides some
> >protection for the airframes themselves.
> >
> >Rex, says that "it goes on to say that the rule is to prevent
> >pre-programmed control of the aircraft such as timed snaps" but I believe
> >those are distinct sentences, the RC equipment must be open loop with no
> >feedback from the model to the ground.  Period, full stop.  Then it goes
> on
> >with additional requirements distinct from the RC TX/RX: Autopilots are
> >prohibited (i.e. devices such as the UAVDev board or Ardupilot or the new
> >AS3X from Horizon would be prohibited, even though they are not
> closed-loop
> >control systems.  Further, automatic control sequencing or control timing
> >devices (which I have always read as preventing the use of snap button
> >functions on modern computer transmitters) are prohibited.  I've wondered
> >how that last one is enforced given virtually every computer radio today
> >has the ability to assign a snap of any form to any switch or button on
> the
> >transmitter and it would be difficult to check that snap functions are
> >inhibited in every contestent's TX.  I have assumed the honor system
> >applies.  I would expect the same honor system, with, perhaps, a check of
> >winning pilot's telemetry systems in high-stakes events would be
> sufficient
> >to relax the telemetry rule to allow basic telemetry systems such as the
> >Hitec, Graupner + Spektrum systems to be permitted.
> >
> >Peter+
> >
> >On Fri, Nov 18, 2011 at 2:35 PM, Richard Lewis <humptybump at sbcglobal.net<http://us.mc1616.mail.yahoo.com/mc/compose?to=humptybump@sbcglobal.net>
> >wrote:
> >
> >> The rule likely needs an update to verbage that is consistent with
> current
> >> technology, but as long as there is no closed loop on any of the
> telemetry
> >> it is well within the "spirit" of the rule to use/allow these systems in
> >> pattern...
> >>
> >>  ------------------------------
> >> *From:* Peter Vogel <vogel.peter at gmail.com<http://us.mc1616.mail.yahoo.com/mc/compose?to=vogel.peter@gmail.com>
> >
> >> *To:* "nsrca-discussion at lists.nsrca.org<http://us.mc1616.mail.yahoo.com/mc/compose?to=nsrca-discussion@lists.nsrca.org>"
> <nsrca-discussion at lists.nsrca.org<http://us.mc1616.mail.yahoo.com/mc/compose?to=nsrca-discussion@lists.nsrca.org>
> >> >
> >> *Sent:* Fri, November 18, 2011 4:20:02 PM
> >>
> >> *Subject:* [NSRCA-discussion] No telemetry rule & new radio systems
> >>
> >> I was just reading RCM&E (one of my favorite magazines) and noticed that
> >> the latest systems from Graupner and Hitec have telemetry built-in to
> all
> >> RX's, I suspect the others aren't far behind.  With the current rule
> >> against any form of downlink from the aircraft, it seems the newer
> systems
> >> will be out of reach to those competing in pattern aerobatics.  I'm
> just in
> >> sportsman, any thought to relaxing the rule to restricting telemetry
> that
> >> might actually be an advantage in competition as opposed to things that
> can
> >> save an airframe like battery voltage data?
> >>
> >> Peter+
> >>
> >> Sent from my iPhone4S
> >> _______________________________________________
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> >>
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> >>
> >
> >
> >
> >--
> >Did you know? Arthritis affects people in all age groups including nearly
> >300,000 children.
> >Please help me ride 525 miles down the California coast to support
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> >http://2011cccnca.kintera.org/pvogel
>
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