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JR-Spektrum . E-flite . Next D

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Radio - JR & Spektrum DSM > pros and cons of 2.4 9303 vrs. new futaba 10C
 
 
flyride
Veteran
Location: Salt Lake City UT

I want a new radio for my 600n super nitro and cant decide between the 2 I dont really want to wait for the 10c if there is no real difference and I like the way that the JR is built in. What are the pros and cons for both radios (why one is better than the other etc.)I will also post in futaba section to see if I can get any results. thanks

and the blonde said "RECTUM, Hell damn near killed em!!"
04-27-2008 05:27 PM
 
 
jadams
Veteran
Location: Upstate, NY. USA

I really love the JR heli radios. The X9303 is IMO the easiest radio to use and program. Plus you can't beat the price of $510 with a 921 receiver. Futaba will be more money and you will have to wait. JR also has a 3 yr warranty.
04-27-2008 05:38 PM
 
 
flyride
Veteran
Location: Salt Lake City UT

Where do you get it for $510 I have only seen them for $629 or so?

and the blonde said "RECTUM, Hell damn near killed em!!"
04-27-2008 05:50 PM
 
 
tailspin90
Elite Veteran
Location: Portage, IN

Holly Crap $510.00 is a great price, please tell us where.

Saw them at my LHS for $529.99, still a good price IMO.....


..........Joe

Local Smart A$$......JR Helis Rule!!!
04-28-2008 01:26 PM
 
 
jadams
Veteran
Location: Upstate, NY. USA

the barn floor .com
04-28-2008 01:46 PM
 
 
pH7
Key Veteran
Location: Sterling Heights, MI - USA

Some people have a preference one way or the other for the programming style. Either if fine as far as I am concerned.

The main distinguishing feature is that Spektrum/JR has the model match feature and Futaba does not. If it saves one crash, it is worth it.
04-28-2008 02:01 PM
 
 
BarracudaHockey
rrMaster
Location: Orange Park FL

One difference is the 10c is module based, the x9303 is native


AMA 77227
http://www.jaxrc.com
04-28-2008 03:40 PM
 
 
flyride
Veteran
Location: Salt Lake City UT

So to take full advantage of the reciever offer I need to buy them all at the same time I buy the radio right? So I get the radio and reciever that I buy and get a reciever free then order 2 more recievers and get 2 more free so there will be a total of 6 recievers? Do I understand this correctly?

and the blonde said "RECTUM, Hell damn near killed em!!"
04-28-2008 04:42 PM
 
 
PilotDaz
Veteran
Location: Seattle, WA

For the price, the 9303 is pretty hard to beat. I love mine!

~Team Collective Mayhem
04-28-2008 06:39 PM
 
 
flyride
Veteran
Location: Salt Lake City UT

Am I right in how the reciever offer works?

and the blonde said "RECTUM, Hell damn near killed em!!"
04-28-2008 07:08 PM
 
 
PilotDaz
Veteran
Location: Seattle, WA

Quote 
Am I right in how the reciever offer works?

No I don't think that you are. The way I understand it (and just did it last month) was this:

I bought the Module+Rx combo (same as you buying a radio that comes with a receiver). I then bought 2 extra receivers. This makes me eligible for 2 more free receivers, for a total of 5 (1+2+2).

I don't believe you need to purchase them at the same time. I think you only need to purchase them within the timeframe specified and send in receipts for all of them.

HTH

~Team Collective Mayhem
04-28-2008 07:24 PM
 
 
flyride
Veteran
Location: Salt Lake City UT

Ok but the offer ends in 2 days so I better hurry.

and the blonde said "RECTUM, Hell damn near killed em!!"
04-28-2008 10:39 PM
 
 
flyride
Veteran
Location: Salt Lake City UT

Has anybody bought from the barn floor .com and how was it?

and the blonde said "RECTUM, Hell damn near killed em!!"
04-28-2008 10:42 PM
 
 
jadams
Veteran
Location: Upstate, NY. USA

We have bought 3 X9303 radios and 6 921 receivers from barn floor. Super fast shipping.
04-29-2008 02:39 AM
 
 
Havoc
Key Veteran
Location: Ky.

I don't know about the 10C but the 9303 is about the same as the 9C as far as ease of programming. The only thing a Futaba fan will find odd is the way you go into the 'advanced' menu, the throttle trim, and it seems to lack a throttle kill switch. The trainer switch is on the opposite side as well. Other than the bonus of Spektrum stuff on the 9303, they are practically the same radio.
04-29-2008 05:40 PM
 
 
DougV
New Heliman
Location: Miramar, Florida - USA

Also... you can't assign functions to switches on the 9303 (Not good for a $600.00 radio), on the 10C you can add functions to any switch.

Just my opinion.
Doug.
05-01-2008 12:10 PM
 
 
PilotDaz
Veteran
Location: Seattle, WA

Quote 
Also... you can't assign functions to switches on the 9303 (Not good for a $600.00 radio), on the 10C you can add functions to any switch.

You're absolutely right about this. I think it's about the only thing I've ever felt was missing. And it should be a relatively easy firmware feature anyway.

But having said that, I've never really come up against any problems because of not having that feature. It would be a nice luxury, but with my 5 different models, I've never really *needed* that either.

All of the existing functionality works just great on the switches as-is. And I've been able to get around most programming wishes by using pmixes.

~Team Collective Mayhem
05-01-2008 05:41 PM
 
 
MaxAdventure
Heliman
Location: Boulder, Colorado

how is this not assigning switch function?

(from the x9303 manual)http://www.jrradios.com/ProdInfo/Fi...oRes_Manual.pdf
"HELI - SYSTEM MENU - ADVANCED FUNCTIONS
There are two functions in the SYSTEM Menu that
control some of the more advanced features of the X9303
2.4 system. They are the Devic. SEL and
Swash Type functions.
The Devic. SEL function is used to activate and deactivate
2 additional Flight Modes; change switch assignments
from the system defaults; activate and deactivate switches/
channels and to activate/deactivate the Hover Throttle,
and Hover Pitch levers, and to Activate/Deactivate the
Governor function."

I haven't swapped switches yet, but I was starting to play with that for one of my planks.

I was a hard core Futaba fan, but when it was time to upgrade, I looked close at the 2.4 options, and the two arguments between JR and Futaba were two locked channels on JR vs constant channel switch on Futaba and then the signal lag by channel when broadcast for hardcore 3D eCCPM. Well, I'm betting we're not going to see any channel issues to prove one technology over the other on the first point, and I'm not good enough to care on the second. I went JR because I looked at what additional RXs would cost, to really take advantage of the new radio. (besides when I bought, the Futaba 10C wasn't even announced, and I knew I wanted more than a 7ch.) I love my x9303, no regrets at all. I think I have to say after years of programming my Futaba, JR definitely wins there.
05-01-2008 09:38 PM
 
 
PilotDaz
Veteran
Location: Seattle, WA

Quote 
how is this not assigning switch function?

Yes, under DeviceSel you can do a little bit of switch assignment. But it's pretty limited compared to Futaba's ability to assign any function to any switch.

~Team Collective Mayhem
05-01-2008 11:59 PM
 
 
jadams
Veteran
Location: Upstate, NY. USA

This is info from Spectrum and I like the way this is explained, this seems to be a more secure way to use 2.4. I picked Spectrum and JR based on this info and B/C I liked my 9303. futaba seemed to blowing smoke by claiming that they have been using and developing 2.4 for over 15 years. Seems to me that if that were the case it would have hit the market sooner.

There are two main broadcast methods that spread spectrum manufacturers can utilize. One format is called Frequency Hopping Spread Spectrum (FHSS). With an FHSS system, the transmitter transmits a narrow band signal and rapidly jumps from one frequency to the next, spending a few milliseconds on each frequency. Originally, Spektrum engineers started their development with FHSS-based systems because they were relatively easy and inexpensive to develop. However, they soon discovered that FHSS had several limitations that would prevent it from being the optimal solution for RC. While more difficult and costly to develop, our engineers began experimenting with Direct Sequence Spread Spectrum (DSSS) and optimized the modulation scheme to overcome critical response and re-link issues. DSSS systems transmit on a single selected frequency but on a very wide band. Only a small portion of that band is used for specially encoded information. In addition, DSSS offers an increase of processing gain for significant improvements in range. With years of development and testing, the DSSS modulation scheme was optimized for RC car and airplane use, and Spektrum´s DSM 2.4GHz Spread Spectrum Technology was born. DSSS provided engineers and hobbyists with the safety, security, and locked-in feeling that is necessary to maintain total and complete control in any vehicle or aircraft.
05-03-2008 11:20 AM
 
 
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Radio - JR & Spektrum DSM > pros and cons of 2.4 9303 vrs. new futaba 10C
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