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HomeRC & PowerAircraftHelicopterRadio - Servo - Gyro - Gov - Batt › Spectrum 2.4ghz module for 9303
02-05-2008 05:54 AM  10 years agoPost 1
Zaneman007

rrElite Veteran

Texas - USA

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Is anyone using the spectrum module with the 9303?

What is the verdict? Good, bad, indifferent?

I'm thinking about getting the module for my 9303, or is it better to just get the 2.4 9303?

Old Guys Rule!

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02-05-2008 12:33 PM  10 years agoPost 2
frebou

rrKey Veteran

Montreal / Canada

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You'll end up with a 9303 using 2.4 in both scenarios. Appart from that, you'll miss :

- Model match
- Servo synche
- Neat antenna routing without wire (you can always mod it yourself)
- ...?

On the other way, you'll still be able to put your old module and use the models you have not yet bought a receiver for!

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02-05-2008 12:37 PM  10 years agoPost 3
Ville Erkkilä

rrApprentice

Oulu, Finland

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X9303 will also give you 2048 resolution if you use R921/AR9000.

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02-06-2008 12:04 AM  10 years agoPost 4
Zaneman007

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Texas - USA

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What is servo sync?

Old Guys Rule!

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02-06-2008 12:56 AM  10 years agoPost 5
frebou

rrKey Veteran

Montreal / Canada

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As I understands it, the receiver deliver the pulse to each servo at the same time instead of each is turn. Which in CCPm means less interaction.

And either I got my setup better this time or it is definively better than my 8103. I definitively see less interaction in the air.

Flips are better on my mini joker. Did not notice that much on the roll axis though. I'm sure I'm not just a good enough pilot to really feel it.

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02-06-2008 04:00 AM  10 years agoPost 6
Zaneman007

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Texas - USA

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There has to be more than two people using 2.4ghz module?

Or is that it?

Old Guys Rule!

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02-06-2008 01:31 PM  10 years agoPost 7
frebou

rrKey Veteran

Montreal / Canada

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I'm not even running the module...

But they may simply have nothing else to add...

You know the technical difference, you know the price difference, make your choice

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02-06-2008 06:48 PM  10 years agoPost 8
Zaneman007

rrElite Veteran

Texas - USA

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I appreciate you guys responding.

I was just hoping that more people would chime in. It seems like everyone, except myself, are on 2.4ghz. I guess they all have the DX7?

Once again, thanks for the replies.

Old Guys Rule!

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02-06-2008 07:46 PM  10 years agoPost 9
SRH990

rrKey Veteran

Birmingham, UK

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I was using a PCM9XII (UK spec. 9303) but bought a DX7 around 15 months ago because of problems with one particular heli, the DX7 cured this but I much prefered my 9X. I pre ordered a Spektrum module for it and had one as soon as they went on sale in the UK. Since buying it I've used a Blade CX2 antenna and made the connection to the module completely internal so it no longer had a damn great fitting sticking out the back, the conversion takes about 10 minutes and costs £6, probably about the same in $'s.

Despite all the talk about increased laitency with the modules I'm not a good enough pilot to notice the difference between the DX7 and module setup, despite around 18 years of flying helis The only feature I really miss is modelmatch as the brain isn't as quick as it should be these days but then, it's no worse than the original radio anyway.

In an ideal world I'd have bought the DS9X/X9303 but funds are tight and I'm happy enough with the stup I have now.

Steve -Trex 700N, Trex 600N, Raptor 550E, 450SE, Mini Titan, Logo 5003D, Beam E4

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02-06-2008 09:10 PM  10 years agoPost 10
Funky Trex

rrElite Veteran

Westerville, OH - USA

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I am using the 9303 with a Spectrum module. So far it works great. I have had some weird interaction issues with my 9ch RX with high draw servos (8717s) while using switching style regulators but I still haven't figured that out With linear regulators, direct voltage or lower draw servos I haven't had any problems.

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02-07-2008 05:26 AM  10 years agoPost 11
Zaneman007

rrElite Veteran

Texas - USA

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I am using the duralite regulator, it is switching reg, but I'm using the JR8311's.

What do you mean by
weird interaction issues
.?

I'm think about changing to 2.4, because the last two crashes were unexplainable.

Old Guys Rule!

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02-07-2008 06:05 AM  10 years agoPost 12
Funky Trex

rrElite Veteran

Westerville, OH - USA

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When I use a switching regulator with 8717 servos, I get ccpm interactions when I load the servos. The longer I load them, the worse it gets. When I use a linear regulator or a NiMh pack I don't get any interactions. I run 9351s on another heli and I don't get the ccpm interactions with that setup using the switching regulators

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