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Radio - JR & Spektrum DSM > A thread for Mr. Beard and Spektrum people to read, improvements wanted looking forward
 
 
Micro-Maniac
Elite Veteran
Location: Pasco,Washington Formerly: Captain Chaos

Your question is answered throughout this entire thread by everyone who has participated - If all we wanted was a Spektrumized 9303 then why didn't we just ask for that instead of run a 220 post discussion? And why all this flak directed at me? If Spektrum isn't going to make anymore radios then why are you here adding to the big wish list? I've already mentioned repeatedly that I myself am not really interested in yet another retro-fit radio at this time - I'm satisfied enough with what I have for now that I don't need to rush out and buy the X9303 - If I had to have the newest thing right away I'd have a Spektrum moduled XP9303 already - But I've bought at least three brand new radios in as many years and right now I prefer to just wait a bit and see what develops especially in light of this new radio brand possibly knocking out fresh designs one of which they've just revealed to us along with their interest in what we'd like in future radios via this thread - What more justification do I need for simply talking and waiting to see what develops a bit further around the bend?

Quotes from Spektrum's own website:
Quote 
While many pilots around the world have been enjoying the benefits of Spektrum radios and modules for some time, there are others who have been waiting on the sidelines for the right time to make the jump (Both true for me - I've already made the retro-fit jump twice and now waiting for the real deal)

Regardless of the groundbreaking technology inside a radio, if a radio’s ergonomics aren’t comfortable the appeal of any radio is already suspect. The goal of any radio design should be one that invites people to pick it up and hold it

completely new, from-the-ground-up radio designed with comfort and ease-of-use in mind

new switch arrangement

easy-to-use menu system / cumbersome menu systems can be a frustrating
11-05-2007 07:36 PM
 
 
fiveoboy01
Veteran
Location: Waunakee, WI - USA

Ok I do get it, you're interested in the plastic and the nametag...

Fair enough.
11-05-2007 07:52 PM
 
 
JKos
Elite Veteran
Location: City of California in the state of Maryland

Let's get back on topic...

I did a search through this thread and didn't find failsafe mentioned anywhere, so my apologies if this has been mentioned already and I didn't catch it.

Something I would really like to see are failsafe settings done on the transmitter, not during binding. This is the one thing I feel we went backward on with the 2.4 GHz systems.

- John

Protos -- Logo 10
11-05-2007 08:08 PM
 
 
RCHeliJim
Elite Veteran
Location: Orem, UT USA

Quote 
Something I would really like to see are failsafe settings done on the transmitter, not during binding. This is the one thing I feel we went backward on with the 2.4 GHz systems.

Wouldnt mind that myself.



Go Fly, Have Fun!!
-Team Quick UK
-Team RCHeliMag
11-05-2007 09:18 PM
HOMEPAGE  
 
 
marked23
Key Veteran
Location: Lynnwood, WA

Yeah, me too.

I was wondering if a normal failsafe setup would emerge with the X9303 and this is the first I've heard it mentioned. That's too bad.

I figure that such a change is going to require that Paul and the guys write yet another DSM protocol (DSM3?) to allow for that feature.

Once I set failsafe, I never really touch it again unless I swap out my throttle servo. So this isn't really a dealbreaker. Like you say, it is a step backwards.

It would be nice if we could provide two or three levels of failsafe. One position for <1 sec lockout, another for 1 to 5 seconds and a third for 5+ seconds.

-Mark
11-05-2007 09:41 PM
 
 
marked23
Key Veteran
Location: Lynnwood, WA

Oh, and here's a completely new feature I'd like to see:

Right after a crash, I'd like to hit a switch to stop all my servos from stalling out and burning themselves up.

I'd guess the only way to do this would be to have the power bus inside the RX be switchable.
11-05-2007 09:57 PM
 
 
JKos
Elite Veteran
Location: City of California in the state of Maryland

Hey Mark,
> I'd guess the only way to do this would be to have the power bus
> inside the RX be switchable.

No, that could be done by simply stopping the signal pulses which go to the servos. If a servo isn't getting the pulses, it doesn't try to hold a position and becomes limp. This wouldn't stop the gyro (or any other device which goes between the rx and servo) from driving the tail servo, though, depending on how they respond to such an occurence.

- John

Protos -- Logo 10
11-06-2007 02:26 AM
 
 
balsabasher
Senior Heliman
Location: Delaware, OH, USA

Ok, now that it has quited down some here, I would like to stir the pot. So far I have been happy with my 6102, 8103, and Evo 9. I would like to check out the DX6i as my first 2.4 radio to replace my 6102. That said I am also hoping for a future DX8 to replace my 8103. Why?
Cost, radio design, and switch layout. I am hoping that Spektrum will be addressing this for me. From looking at the DX6i, I would say that they are on the right track and would like to see them expand upon it. I like JRs but if they are going to stick with the same case design when going to 2.4, then I would like Spektrum to have a go at more than 7 channels and let JR have the DX7 back!

Blades; what goes around, comes around!
12-15-2007 03:39 AM
 
 
Gyronut
Elite Veteran
Location: Martinsville In.

A DX8...???

There isn't going to be a DX8 or a DX9.....

What they have is the X9303.

Rick
12-15-2007 01:23 PM
 
 
electricdurango
Veteran
Location: Sterling, VA

How about a volume adjustment on the timer alarm.

450se v2
12-15-2007 06:27 PM
 
 
LoveMyTrex
Senior Heliman
Location: Hamilton,VA

I would like to see all the JR radios be outfitted with spektrum DSM2 2.4gig and have realy nice features like backlit displays and maybe touchscreens. and I would like to see a full line of spektrum radios, that are good qualitly but cheaper radios.

and I think the most important new features would be fully assignable switches a throttle kill switch and a scroller rather than buttons, and throttle stick activated timer.

the DX6i, I believe has all of these features, Not sure about fully asignable switches. great job with that. but, having held one myself I think it is a bit to big and clunky, mainly too thick.

I also think the sticks should be a little bit pointier than the sticks on the dx7, my thumbs start to slip when I do a chaos. not futaba sticks though, I tried to catch my futaba sim controler when it slipped and the stick put a whole in my hand

future owner of all the helis I have money for
12-23-2007 06:31 PM
 
 
HakimG
Senior Heliman
Location: Germany

What I really want (as LovemyTrex said) is that the timer starts timing when you go into flight mode.

And a bigger screen

___________________________________________________________
Acrobat SE and DX7
12-29-2007 09:28 AM
 
 
Wallyfingers
New Heliman
Location: Grain Valley, MO - USA

[quote]How about a volume adjustment on the timer alarm.

How about a VIBRATE option for the timer, like cell phones, for the time when at the flying field.
12-29-2007 08:22 PM
 
 
dkshema
rrProfessor
Location: Cedar Rapids, IA

I have't waded through all of the 12 pages of this thread, and only briefly noted the heated argument about the 9303 vs the non-existent (and apparently unplanned) DX9.

But as for improvements....

Do something with the plastic formulation of the stock DS821 servo gears so that the stock servos shipped with the DX7 can actually be useful in a helicopter!

It's ludicrous to ship the DS821 servo as your stock servo in a HELI radio, then put an "oh, by the way -- don't use these servos in a heli" note on your website.

The JR experiment with their version of Karbonite failed. Either stop shipping the servo with this "new" gear material, or come up with a decent material that won't fail in normal use in a helicopter. Other servos don't seem to have this problem. Why only the DS821?

-----

* Making the World a Better Place -- One Helicopter at a time! *

Dave
12-30-2007 11:40 PM
 
 
hootowl
Elite Veteran
Location: Garnet Valley, Pa.

I seem to break JR 8311 servo gears pretty frequently. I have another set that I finally replaced the gears with the 8317 metal gears.

I had the little JR241 in my Trex 450. It ate gears on a regular basis.

See a trend?

JR plastic gears are weak.

Only CHANGE you'll get is what's left in your pocket.
12-31-2007 01:21 AM
HOMEPAGE  
 
 
dkshema
rrProfessor
Location: Cedar Rapids, IA

You break gears in crashes.

The DS821 output shafts break -- shear off causing the crash.

I've flown JR servos since about the middle 80's, when JR was being sold by Circus Hobbies in Nevada. In helis and in airplanes.

In all those years, I've probably broken a couple of sets of gears. The only gear replacements I've purchased in the past ten years or so have been a set for a Hitec HS-50 (the servo came apart in a crash and I lost one of the small gears in the grass), and a replacement gear set for a Futaba S9252 from a heli I was setting up for another fellow who bought that servo used. And I did replace the top of a 9254 this past summer when I crashed and tore the mounting ears off the darn servo. But the gears survived, intact.

The DS821 is the only servo I can remember over the past 40 years that has had a manufacturer's warning NOT to use them in particular aircraft simply based on the fact that "vibration" makes them fail.

In all those gears that you seem to have broken, how many broke because they were simply installed in your machine and "vibration" caused the gears to fail?

-----

Is it asking too much for the servos supplied as the "standard" servo in a radio be suited for the task the radio is being sold to meet?

-----

* Making the World a Better Place -- One Helicopter at a time! *

Dave
12-31-2007 04:07 AM
 
 
hootowl
Elite Veteran
Location: Garnet Valley, Pa.

I have only broken gears in crashes and I have extensive experience.

Only CHANGE you'll get is what's left in your pocket.
12-31-2007 04:17 AM
HOMEPAGE  
 
 
Richard
Veteran
Location: Scottish Borders, U.K.

Dave,

There is a DSX9, its the U.K. ver of the X9303 and is due sometime in January 2008!!!! "Won't hold my breath"

Oh **** ! this is going to be expensive?
12-31-2007 10:09 AM
 
 
Pinecone
Veteran
Location: Maryalnd

You can use the 821 servos in helis. Just not over 30 nitro or 50 electric.

Lots of people running them in Hurricane 550s or similar.

Terry
Blade CP
Trex 450 SE
QJ EP8v2 EX
Gaui Hurricane 550
Vibe 50
12-31-2007 01:20 PM
 
 
Nonspectator
Heliman
Location: Illinois, USA

9303 module question

I'm new to the 2.4gHz deal so here is my question. There is a module that mounts on the back of the 9303 already, so why is everyone in this thread saying they want the features of the 9303 in the DX9? Why not just buy the 9303 with the 2.4gHz module? Just curious. If this is true why not focus on features that are not on the 9303?
12-31-2007 05:48 PM
 
 
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Radio - JR & Spektrum DSM > A thread for Mr. Beard and Spektrum people to read, improvements wanted looking forward
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