[NSRCA-discussion] Spectrum and Hobbico... new 2.4 alternatitve

Wed Sep 23 10:35:11 AKDT 2009

I'm aware of the JR selling radios in Europe under the Graupner name.  Those radios are using the Xtreme Performance Systems (XPS) Xtreme Link technology (a form of frequency hopping).  From what I understand, those radios look the same from the outside but the programming interface is different and from what I hear is actually better than the JR programming.  Why doesn't JR offer that frequency hopping technology in the US?   I might buy one.  However, I've heard good and bad about the XPS systems. 

Everyone, (Futaba, Hitec, Airtronics, Multiplex, Weatronics, XPS, Graupner, and ACT) is all using some form of frequency hopping!!!  Why???  Because it must be better.  I like the JR radios and accessories just not their choice to use DSM over frequency hopping.  Especially if they decide to switch to frequency hopping in the future. 

----- Original Message ----- 
From: "Tony" <tony at radiosouthrc.com> 
To: "General pattern discussion" <nsrca-discussion at lists.nsrca.org> 
Sent: Wednesday, September 23, 2009 2:07:12 PM GMT -05:00 US/Canada Eastern 
Subject: Re: [NSRCA-discussion] Spectrum and Hobbico... new 2.4 alternatitve 

JR is not Spektrum….  JR has been selling 2.4Ghz frequency hopping gear in Europe for almost a year.  Check it out under the Graupner name. 

For all the info go to  http://www.graupner-ifs-system.de/en.html 

Tony Stillman, President 

Radio South, Inc. 

139 Altama Connector, Box 322 

Brunswick , GA  31525 

1-800-962-7802 

www.radiosouthrc.com 

From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of RON HANSEN 
Sent: Wednesday, September 23, 2009 1:47 PM 
To: General pattern discussion 
Subject: Re: [NSRCA-discussion] Spectrum and Hobbico... new 2.4 alternatitve 

The issue isn't whether frequency hopping is better than DSM but rather will JR stick with DSM indefinitely.  I don't want to spend $1400 on a new transmitter that will be out of style in the near future.  Matter of fact, you can buy conversion kits from German companies (Weatronics and ACT) that are better than both DSM and FASST.  The Germans use frequency hopping where the transmitter and receiver talk back and forth to each other.  These German systems aren't cheap but they are certainly better than what we have in the US.  Regardless of what system you go with 2.4 GHz is better than 72 MHz. 
----- Original Message ----- 
From: "Ed Alt" <ed_alt at hotmail.com> 
To: "NSRCA List" <nsrca-discussion at lists.nsrca.org> 
Sent: Wednesday, September 23, 2009 12:53:37 PM GMT -05:00 US/Canada Eastern 
Subject: Re: [NSRCA-discussion] Spectrum and Hobbico... new 2.4 alternatitve 

Are you aware of situations where DSM doesn't work? 

Date: Wed, 23 Sep 2009 11:29:59 -0400 
From: rcpilot at wowway.com 
To: nsrca-discussion at lists.nsrca.org 
Subject: Re: [NSRCA-discussion] Spectrum and Hobbico... new 2.4 alternatitve 

I'm still flying 72 MHz using my JR 10X radio.  I need to switch to 2.4 this winter.  This module is the solution to my problem.  I love the 10X, 9303 and 12X radios.  I don't like the DSM2 technology, I feel frequency hopping is a superior technology not to mention you can't use DSM2 in Europe.  Either Europe will eventually approve DSM2 or JR will switch to frequency hopping worldwide.  This solution will afford me more time to see what JR decides to do.  So I plan to try this module out on my foamies and park flyers and if I experience no problems I will use it in my pattern planes come this spring unless JR makes a switch to frequency hopping.  I know there are a lot of people in my situation. 

Ron 
----- Original Message ----- 
From: "Ed Alt" <ed_alt at hotmail.com> 
To: nsrca-discussion at lists.nsrca.org 
Sent: Tuesday, September 22, 2009 9:58:31 PM GMT -05:00 US/Canada Eastern 
Subject: Re: [NSRCA-discussion] Spectrum and Hobbico... new 2.4 alternatitve 

In all seriousness, I think it makes little sense to cross over brands this way.  FASST, JR, or Airtronics; things work just fine.  I could see the initial idea that Horizon had with Spektrum to get the world moving to Spread Spectrum with their modules, but I think that time has passed us by.  As far as preserving the value of an investment in a transmitter by moving to another brand of receivers with a module - why? Go with a brand you like and don't look back to gimmicks to cross over part way.  You always lose something in the process. 

Ed 

Date: Tue, 22 Sep 2009 07:01:51 -0700 
From: bob at toprudder.com 
To: nsrca-discussion at lists.nsrca.org 
Subject: Re: [NSRCA-discussion] Spectrum and Hobbico... new 2.4 alternatitve 

Personally, I like the FASST system. I must have a dozen 2.4g receivers now. I have nothing against the JR/Spektrum, a lot of my friends fly JR (I am in a very small minority in my club flying Futaba). I will admit that I bought the Spektrum module for one of my old Futaba transmitters, so that I could do the "bind-n-fly" thing as well. 

I will tell you guys a funny story. I was at Efest this year. I was flying a Vapor over in the corner for the ultralight planes, and heard someone walk up behing a friend of mine (Jeff Phillips, Radioactive Airshow Team) and start asking him how he liked the Vapors. Well, I thought it must be someone who had never flown a Vapor, so I turned around and handed him my transmitter, an old Futaba 7UA with a Spektrum module, so he could fly it. It happened to be Peter Goldsmith. :-)  I wish I had said "feel the difference" to him. 

Bob R. 

--- On Tue, 9/22/09, John Pavlick <jpavlick at idseng.com> wrote: 

Bill, 

You are a one-percenter among the one-percenters! LOL 

I actually bought the Spektrum module with Rx for my Futaba 12Fg because it was such a good deal. I'm going to use this setup for indoor this year with some of those really small Spektrum receivers. It's also great for the E-Flite Bind-N-Fly models. I just didn't see the point in going "the other way" but I guess in your case it makes sense. 

John Pavlick 

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