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Radio - Futaba FASST > Futaba FASS sys. causing signal interferance on Jr Spectums?
 
 
rccaw
Senior Heliman
Location: La Palma, Calif.

There are some information floating around that the Futaba Fass system is shutting down or interfering with the Jr and spectrum radios. Does anyone heard of this? Is it true? If anybody had information on this matter please post your experience or is this widely known fact?

Thanks
04-01-2008 12:54 AM
 
 
rsalazar
Key Veteran
Location: Florida, USA

No, I have not heard anything, in fact at the field where I fly, there are heli and jet pilots using the Spektrum and the Futaba FASST at the same time with not problems as far as I know.

I use Spektrum, and some of my friends are using Futaba FASST
04-01-2008 03:35 AM
 
 
TMoore
rrProfessor
Location: Cookeville, TN

Highly unlikely as the Fasst is a Freq Hopper while the Spektrum uses 2 channels in the 2.4 band. The Fasst systems constantly hop from one channel to the other many times per second and if it is creating problems for a Spektrum I would be surprised.

TM

Buying tools is half of the equation, knowing how to use them is the other. - T Moore
04-01-2008 03:39 AM
HOMEPAGE  
 
 
Girard Ibanez
Senior Heliman
Location: Tucson, Arizona (formally from Guam)

Interesting ....


I HOVER around the field and my X to be HOOVERS around the house.
MyRaptor.net Guam USA
04-01-2008 03:44 AM
HOMEPAGE  
 
 
dkshema
rrProfessor
Location: Cedar Rapids, IA

Shouldn't be a problem...

but, what happens if the "offending" Futaba system is one of those that were shipped from the factory with missing GUID info as this service bulletin refers to...

http://2.4gigahertz.com/techsupport...tm7-7c-6ex.html

I wonder if anyone with one of the defective Futaba transmitters ever tested how it affected OTHER, non-Futaba systems...

-----

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

Dave
04-01-2008 05:41 AM
 
 
rccaw
Senior Heliman
Location: La Palma, Calif.

DkShema

That's really interesting announcement.

I have some friends and one in particular competed in Las Vegas in the Align sponsored event and I was told that there were a few crashes due to radio lock out at least that's what some of the pilots said and it only happened to JR users, none on the Futaba FASS sys.

There were talks and speculations that the Futaba FASS was shooting the JR/Spectrum radios down.
04-01-2008 05:43 PM
 
 
rdalcanto
Key Veteran
Location: Salt Lake City, UT

I would think that you should pick up any interference, if it exists, by doing a range check while turning nearby Futaba radios on and off. My gut reaction is that this is unlikely to be a real problem. I'm sure Futaba had Spectrum radios around while developing theirs, and would have noticed such an interaction.

Team MRC & Magnum Fuels
04-01-2008 07:36 PM
HOMEPAGE  
 
 
MrMel
Elite Veteran
Location: Lidingo, Sweden

My guess its something else that causes it,

I have both Spektrum and Futaba FASST, the Spektrum isnt immune, I have "bad spots" in my backyard where I cant start the radio up and get connection.
FASST system is working in the same spot.

(happens to be in direct line of sight of my Wireless Super-Turbo speed AP)

Knowing from other discussions that LV has one of the highest background noises of all fields, anything could interfere, just becauase FASST didnt go down, doesnt mean its responsible.
04-01-2008 08:33 PM
 
 
dangtsi
Senior Heliman
Location: Hockley, Texas, Waller

I fly using a Futaba Fasst 7C system with both JR 9303 2.4 and Spektrum DX-7 radios and have never had any problems with either brands. Dumb thumbs and old age sometimes cause crashes. We have never had a problem between systems.
04-01-2008 08:47 PM
 
 
Old Sloppy
Heliman
Location: Atlanta, Georgia USA

But it is easy to blame a transmitter because you forgot to charge your reciever pack, or you "dumb thumbed" it causing a crash.

In order to appear blameless you just blame the equipmnt ....

Oh No, It wasen't my fault...my radio "locked out"...yea, RIGHT....

Harry

Trex 600e CF,Futaba 7CH 2.4 ghz, Air Thunder , X-Cell optical tachometer
04-01-2008 10:29 PM
 
 
rccaw
Senior Heliman
Location: La Palma, Calif.

Old Sloppy;

I agree with you, I've done it before as I''m an old fart, sometimes I still can't get a grasp that I'm slowing down due to age but I got to blame it on something. LOL!!!.

Seriously the pilots mentioned doesn't fall in that category. One of them was Markus Kim, and I've heard Marty Khuns had glitch with his JR X9303.

What prompted me to post this question is that in our field there is a certain spot that people claim their radio locked out on 2 occasions and I've witnessed one of them. Both were using DX7s.
04-02-2008 12:31 AM
 
 
Four Stroker
Veteran
Location: Atlanta

The GUID, zero or otherwise, is just a number in the data packet sent out by the FASST transmitter. To any other brand, it looks exactly the same for every value of the GUID, including zero. The only problem is if two FASST transmitters have the same GUID, sometimes zero.
04-02-2008 02:18 AM
 
 
rdalcanto
Key Veteran
Location: Salt Lake City, UT

Sounds like FASS is simply superior....

Team MRC & Magnum Fuels
04-02-2008 02:19 AM
HOMEPAGE  
 
 
Old Sloppy
Heliman
Location: Atlanta, Georgia USA

FAAST will withstand a lower input voltage, this alone is a prime concern.

Harry

Trex 600e CF,Futaba 7CH 2.4 ghz, Air Thunder , X-Cell optical tachometer
04-02-2008 01:46 PM
 
 
radimani
Heliman
Location: Japan

I hate the title. We can also say "DSM2 causing signal interference on FASST?".
Anyhow Futaba says as below and I know in E-Fest operated by Great Planes, many DSM2 and FASST units were co-exsist without issues!
http://2.4gigahertz.com/faq/faq-fasst-q894.html
04-02-2008 04:27 PM
 
 
dhollein
Key Veteran
Location: Tucson, AZ

That's the first I've heard of this...interesting.
04-02-2008 09:01 PM
HOMEPAGE  
 
 
NZ_Neil
Veteran
Location: Auckland, New Zealand

I have 13 models (Planes & Helis) and use a 14mz, I am realy glad I didnt jump ship and go with specktrum etc.

Everything I read about FAAST clearly indicates its superior to other 2.4ghz systems for many reasons.
04-02-2008 11:31 PM
HOMEPAGE  
 
 
rdalcanto
Key Veteran
Location: Salt Lake City, UT

Quote 
I have 13 models (Planes & Helis) and use a 14mz, I am realy glad I didnt jump ship and go with specktrum etc.

Everything I read about FAAST clearly indicates its superior to other 2.4ghz systems for many reasons.

I'm glad I waited. I now have a 10C on pre-order! Hopefully it will be here at the end of the month as promised....

Team MRC & Magnum Fuels
04-03-2008 12:51 AM
HOMEPAGE  
 
 
AltecLansing
Key Veteran
Location: Star Ship Enterprise

I can't see how they would really interfere with each other. The spektrum is suppose to lock on two channels not being used and the fasst system is always jumping channels and avoiding used channels.

But I have always liked the fasst system better. The idea of jumping channels and not locking in on just two seems to be a better way.

Man, I miss the eighties.
04-03-2008 12:54 AM
 
 
Four Stroker
Veteran
Location: Atlanta

Despite Spektrum propaganda to the contrary, there is no (USA FCC) requirement to avoid or skip a channel. Neither Futaba nor Airtronics do this. In fact there are no empty unused channels. Something like WiFi, ZigBee, cordless phones, blue tooth, etc. is always there. Spektrum can at best choose channels with a low noise relative to their modulation and coding scheme.
04-03-2008 01:20 AM
 
 
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Radio - Futaba FASST > Futaba FASS sys. causing signal interferance on Jr Spectums?
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