RE: Futabas new 2.4 10C and JR's 2.4 9303

RE: Futabas new 2.4 10C and JR's 2.4 9303
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All Forums >> Radios, Batteries, Clubhouse and more >> RC Radios, Transmitters, Receivers, Servos, gyros >> RE: Futabas new 2.4 10C and JR's 2.4 9303

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RE: Futabas new 2.4 10C and JR's 2.4 9303 - 3/23/2008 10:14:59 PM

Paul Cataldo

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From: Fayetteville, GA, USA
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I agree with your thoughts, and have had the same myself, but I do feel Futaba has worked their issues out, and they are having people ship their 2.4 equiptment back to get checked out and updated if needed.
I too am leary about ANYTHING that has just hit the market too. I am thinking of buying a 2.4 9303, as soon as someone can tell me about the switch assigning capabilities, as compared to the Futabas. I need to find out IF it is possible to assign the throttle kill switch to the location of the trainer switch w/ spring tension.
???? Anyone care to tell me if this is possible on the JR 9303?
I need to also figure out how many channels the 9303 is capable of having, and which Rx will give me the most channels? I really would like to have 10 channels on this next radio I purchase. I will actually NEED 10 channels, to prevent having to use Y harnesses, which I absolutely hate.

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Paul Cataldo

(in reply to 3DAP)

Post #: 51

RE: Futabas new 2.4 10C and JR's 2.4 9303 - 3/23/2008 10:25:36 PM

pilotpete2

Posts: 1473
Joined: 10/31/2002
From: Lyndonville, VT, USA
Status: online

Paul,
The 9303 does not have a throttle kill switch, you can create one by using a P-mix and hopefully assigning it to the trainer switch.
The JR 9303 radios sold in the US have mechanical trim for the throttle, so most 9303 users in the US doe their throttle cut the old fashioned way.
I flew for almost 20 years doing it that way and now have one year of flying with digital trim with spring loaded throttle cut, just me, but I would not want to go back.
Pete

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Post #: 52

RE: Futabas new 2.4 10C and JR's 2.4 9303 - 3/23/2008 10:26:21 PM

Paul Cataldo

Posts: 816
Joined: 2/9/2003
From: Fayetteville, GA, USA
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Yes, I agree, I would NOT even consider using an analog trim to kill my engine. Screw that.
I'm disliking the JR more and more. You have to actually use a MIX to design a thr kill? Good Lord.
Well, anyhow, just to be fair, I just checked Cheif A/C's site, and looked at the 2.4 9303.
It looks like I can have ONLY up to 9 channels with this radio.
Can anyone tell me WHICH Rx I will want to buy with the JR 9303?? I see Chief is offering it with the "R921 DSM2" Rx, and I'm a bit confused about a couple of things.

1. What is the deal with the "AR9000" or "AR9100" ? Rx's I keep seeing people mention, and how do they differ from the "R921 DSM2" Rx that comes with the 9303 at Cheif???

2. I read about the "R922 DSM2" Rx from JR, and it says it has a "soft switch that fails in the on position".
What is the deal with this "soft switch"??? Does this actually take the place of dual, redundant switches that I've always used with my Giant Scale 72mhz planes????
I mean, IF I switch to 2.4ghz, will I still need to run TWO redundant switches with this new 2.4ghz setup or what???

I'm still trying to figure out a few things about 2.4 guys, so bear with me. I'm doing all the reading I have the time for...

BTW, why on God's green Earth would JR give people OVERSEAS a digital trim, but give us the shaft of an analog trim???? I'm trying to make sense of that....

< Message edited by Paul Cataldo -- 3/23/2008 10:29:17 PM >

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Paul Cataldo

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Post #: 53

RE: Futabas new 2.4 10C and JR's 2.4 9303 - 3/23/2008 10:34:56 PM

DougV

Posts: 208
Joined: 6/30/2006
From: Miramar, FL, USA
Status: online

Soft switch: http://www.rcuniverse.com/forum/m_7221837/tm.htm

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Post #: 54

RE: Futabas new 2.4 10C and JR's 2.4 9303 - 3/23/2008 11:33:19 PM

dick Hanson

Posts: 10035
Joined: 12/12/2001
From: slc, UT, USA
Status: online

quote:

ORIGINAL: Paul Cataldo

Yes, I agree, I would NOT even consider using an analog trim to kill my engine. Screw that.
I'm disliking the JR more and more. You have to actually use a MIX to design a thr kill? Good Lord.
Well, anyhow, just to be fair, I just checked Cheif A/C's site, and looked at the 2.4 9303.
It looks like I can have ONLY up to 9 channels with this radio.
Can anyone tell me WHICH Rx I will want to buy with the JR 9303?? I see Chief is offering it with the "R921 DSM2" Rx, and I'm a bit confused about a couple of things.

1. What is the deal with the "AR9000" or "AR9100" ? Rx's I keep seeing people mention, and how do they differ from the "R921 DSM2" Rx that comes with the 9303 at Cheif???

2. I read about the "R922 DSM2" Rx from JR, and it says it has a "soft switch that fails in the on position".
What is the deal with this "soft switch"??? Does this actually take the place of dual, redundant switches that I've always used with my Giant Scale 72mhz planes????
I mean, IF I switch to 2.4ghz, will I still need to run TWO redundant switches with this new 2.4ghz setup or what???

I'm still trying to figure out a few things about 2.4 guys, so bear with me. I'm doing all the reading I have the time for...

BTW, why on God's green Earth would JR give people OVERSEAS a digital trim, but give us the shaft of an analog trim???? I'm trying to make sense of that....

well --- actually we far prefer the analog trim -
It is a thing which typically is a result of a fair amount of experience and the ease in setting low speed throttle as required .

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Post #: 55

RE: Futabas new 2.4 10C and JR's 2.4 9303 - 3/24/2008 12:35:26 AM

Flying Geezer

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From: Bowling Green, KY, USA
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quote:

well --- actually we far prefer the analog trim -

Just exactly who is the "we" you are talking about? Surely not that little black dog.

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Hughes RC

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RE: Futabas new 2.4 10C and JR's 2.4 9303 - 3/24/2008 2:43:14 AM

Paul Cataldo

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From: Fayetteville, GA, USA
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I can see how some would prefer not having a digital trim, but as for NO throttle kill function without programming a mix, that just hits me right where it hurts...

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Paul Cataldo

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RE: Futabas new 2.4 10C and JR's 2.4 9303 - 3/24/2008 2:48:50 AM

nonstoprc

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From: austin, TX, USA
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Can somebody comment on the difference between 1024 and 2048 resolution based on actual fly experience?

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Post #: 58

RE: Futabas new 2.4 10C and JR's 2.4 9303 - 3/24/2008 2:49:45 AM

Josey Wales

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From: **, NJ, USA
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quote:

ORIGINAL: Paul Cataldo
I need to find out IF it is possible to assign the throttle kill switch to the location of the trainer switch w/ spring tension.
???? Anyone care to tell me if this is possible on the JR 9303?

The 9303 does not have a "spring" switch--

quote:

ORIGINAL: Paul Cataldo

I can see how some would prefer not having a digital trim, but as for NO throttle kill function without programming a mix, that just hits me right where it hurts...

Easily done with one of the mixes

< Message edited by Josey Wales -- 3/24/2008 2:51:26 AM >

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Joe

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RE: Futabas new 2.4 10C and JR's 2.4 9303 - 3/24/2008 2:50:14 AM

GJr.

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From: Nashville, TN, USA
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If memory serves me correct, Horizon researched many fliers when they were upgrading their JR 10 SX series radio to the 10X, as well as people that flew some competitors radios. One of the biggest complaints and wish list items was to have an analog trim on the throttle instead of a digital trim. At that time, most people responding wanted a traditional trim lever to set idles and cut throttles quickly. Many disliked having to continually bump a digital trim when they could set an analog, once and quicker. Some felt the analog was more precise than having to adjust a rate for the digital and they could repeat a setting more consistently. Others did not like having to remove your hand form the stick to push a kill switch. With the analog, the trim lever is easily accessible without removing your hand from the stick.
I believe the actual trim functions are digital, it is just that the trim lever is used to mechanically adjust the setting instead of using a spring loaded switch to adjust the function. I know the trim and subtrim settings are in the same menus as all the other digital functions. You can verify this on the JR help site here on RCU.
Another reason they offer all digital versions of the X9303 in other parts of the world as the JR 9XII, is because some fliers use mode 3 and mode 4 stick configurations. Having all digital trims allows the option of flying any mode,1,2,3,4 by just changing the programmed setting. There is little if any call in the US market for mode 3 and 4. Some people buy the JR 9XII and use the JR/Spektrum modules and receivers here in the USA with great results.

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RE: Futabas new 2.4 10C and JR's 2.4 9303 - 3/24/2008 2:55:56 AM

GJr.

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From: Nashville, TN, USA
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Two additional thoughts, you can have a spring loaded switch installed on the X9303 or use the pushbutton trainer switch. Also, the heli version transmitter has a spring loaded switch already installed and contains all three types of programming as well, just different switches.
There is a fine line about the legality of using a non US version of a radio in the USA. It has to do with type certification issues, plug in modules, power output, etc.But, as they say, that is a whole different discussion.

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RE: Futabas new 2.4 10C and JR's 2.4 9303 - 3/24/2008 2:58:53 AM

dick Hanson

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From: slc, UT, USA
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quote:

ORIGINAL: Flying Geezer

quote:

well --- actually we far prefer the analog trim -

Just exactly who is the "we" you are talking about? Surely not that little black dog.

Well -- actually the we is quite a few flyers -mostly those with a fair bit of flying experience -and typically competition flying - but use what you like - Post 60 is on point -

< Message edited by dick Hanson -- 3/24/2008 3:00:55 AM >

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RE: Futabas new 2.4 10C and JR's 2.4 9303 - 3/24/2008 5:20:01 AM

bgold

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From: Portland, OR, USA
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quote:

ORIGINAL: dick Hanson

quote:

ORIGINAL: Flying Geezer

quote:

well --- actually we far prefer the analog trim -

Just exactly who is the "we" you are talking about? Surely not that little black dog.

Well -- actually the we is quite a few flyers -mostly those with a fair bit of flying experience -and typically competition flying - but use what you like - Post 60 is on point -

I've been flying since 1965 and am still flying IMAC so I fit the above description and we, my black cat and black & white dog prefer to fly digital trim on throttle and use a three position switch for throttle down and throttle cut which we've found to be faster and more reliable than a mechanical trim lever. But then some old dogs are harder to teach new tricks.

(in reply to dick Hanson)

Post #: 63

RE: Futabas new 2.4 10C and JR's 2.4 9303 - 3/24/2008 6:35:53 AM

Paul Cataldo

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From: Fayetteville, GA, USA
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quote:

ORIGINAL: GJr.

Two additional thoughts, you can have a spring loaded switch installed on the X9303 or use the pushbutton trainer switch.

How can I get a spring loaded switch installed on the 9303? Also, will I be able to put it up on the TOP LEFT, where the usual spring loaded trainer switch is installed on a Futaba 9C/etc?
IF INDEED I CAN have it installed in this location, what switch will it replace? Or should I say, what is the purpose of the switch that is already in this location, as when the Tx left the JR factory??? Will I be replacing something important, or will I be removing something that I don't really want to remove?
I'm just wondering who can do this switch swap/where can I get it done? I've never heard it mentioned before.
Thanks for sharing my friend!

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Paul Cataldo