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RE: Spektrum vs. Futaba? - 2/29/2012 5:11 PM   
Mikecam


 

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quote:

ORIGINAL: Dave McDonald

For those of you joining this thread late, and who are not willing to read through all 10 pages of this thread, here's a brief summary that will save you hours of reading time:

* Spektrum is crap. Futaba is great.

* Futaba is crap. Spektrum is great.

* Spektrum and JR are crap. Futaba is great.

* Spektrum and Futaba are crap. JR is great.

* Futaba and JR are crap. Spektrum is great.

* Spektrum, JR, Hitec, and Airtronics are crap. Futaba is great.

* Futaba, Hitec, Airtronics, and Spektrum are crap. JR is great.

* JR, Futaba, Hitec, and Airtronics are crap. Spektrum is great.

* Spektrum, JR, Futaba, and Airtronics are crap. Hitec is great.

* Hitec, Spektrum, JR, and Futaba are crap. Airtronics is great.


NOTE: Each of these statements can be backed up by posts on the internet. And as everyone knows, the internet is full of absolutely irrefutable proof.




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Best laugh I have had reading this whole thread and I've had quite a few.

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RE: Spektrum vs. Futaba? - 2/29/2012 5:59 PM   
Rob2160



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quote:

ORIGINAL: fragile

To:  ROB2160

When it comes to range, the 100mW RF outpot on 2.4GHz radio is no match to a 750mW RF output on 72MHz radio.

Furthermore, the 2.4GHz wavelength has much higher incurred losses than 72MHz wavelength which is further reducing
the range.

When out of range, error correction, unique GUID code, and the "robust" pseudo-random control sequence will do no good.


Sure, on paper 750mW beats 100mW RF.. I can't disagree.

I also agree the 2.4 Ghz is attenuated greater by physical objects..

My actual range checks tell a different story.. I am totally unbiased and have repeated them many times with similar results..

I am not a radio engineer but I imagine receiver sensitivity, antenna gain and the spread nature of 2.4ghz don't make it a linear comparison.

Here is some info on GPS - The Satellite outputs less than 30 Watts  power, but it travels reliably over 11,000 Miles, and my GPS picks up those signals, even inside a car and indoors in some cases..

http://gpsinformation.net/main/gpspower.htm

Compare that to a 2000 Watt AM or FM Radio station,  Your reception drops out after about 150 Miles.. even line of sight.

Raw Power is not the only factor. Because comparing 2.4Ghz and FM 72, you are not comparing apples with apples.

In my (admittedly Laymans) testing, The range of 2.4 is 3-4 times better than FM...

If someone can show me side by side tests to prove otherwise, I will accept it, but for me, my testing was unbiased and totally valid.

If my testing had shown FM to have superior range i would be using FM now.. I have no bias, I test things myself and choose what I determine to be the best for me.

Here is a thread about range comparisons of 72 vs 2.4ghz.. one quote is that 2.4ghz has 50 to 100 times better range for the SAME power...  so 100 vs 750... 2.4 still wins..

http://www.rcgroups.com/forums/showthread.php?t=865166  (Post #6 and #10 )

You can't argue with this.. 



and Spektrum is IDENTICAL



And I know with 72 Mhz, if someone turns on a radio with exactly the same channel.. you probably will crash




< Message edited by Rob2160 -- 2/29/2012 6:45 PM >

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RE: Spektrum vs. Futaba? - 2/29/2012 6:02 PM   
Rob2160



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quote:

ORIGINAL: Dave McDonald

For those of you joining this thread late, and who are not willing to read through all 10 pages of this thread, here's a brief summary that will save you hours of reading time:

* Spektrum is crap. Futaba is great.

* Futaba is crap. Spektrum is great.

* Spektrum and JR are crap. Futaba is great.

* Spektrum and Futaba are crap. JR is great.

* Futaba and JR are crap. Spektrum is great.

* Spektrum, JR, Hitec, and Airtronics are crap. Futaba is great.

* Futaba, Hitec, Airtronics, and Spektrum are crap. JR is great.

* JR, Futaba, Hitec, and Airtronics are crap. Spektrum is great.

* Spektrum, JR, Futaba, and Airtronics are crap. Hitec is great.

* Hitec, Spektrum, JR, and Futaba are crap. Airtronics is great.


NOTE: Each of these statements can be backed up by posts on the internet. And as everyone knows, the internet is full of absolutely irrefutable proof.




***************unsubscribed***************


Very clever, but you forgot one..

Spektrum, Futaba and JR are Great.. Airtronics and Hitec are probably great too..



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RE: Spektrum vs. Futaba? - 2/29/2012 10:43 PM   
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Status: offline 		are DSM2 satellites compatiblwe with DSMX recievers? I know the DSMX satellites arent caompatible with DSM2 recievers.

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RE: Spektrum vs. Futaba? - 3/1/2012 12:06 AM   
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ORIGINAL: kenbo

are DSM2 satellites compatiblwe with DSMX recievers? I know the DSMX satellites arent caompatible with DSM2 recievers.


No! DSMX Rx requires DSMX Remotes. DSM2 Rx requires DMS2 Remotes. Some DSMX Rx, such as the AR8000, will Bind and work with or without a DSMX Remote and will ignore a DSM2 Remote if it is inadvertently connected. The DSM2 Remote will not Bind but will be ignored.

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RE: Spektrum vs. Futaba? - 8/14/2012 8:29 AM   
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Status: offline 		futaba receivers do not need sattelite reievers and do not get brown outs.


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RE: Spektrum vs. Futaba? - 8/14/2012 1:02 PM   
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quote:

ORIGINAL: jmdairplane

futaba receivers do not need sattelite reievers and do not get brown outs.



And Futaba tx don't get recalled every other week.


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RE: Spektrum vs. Futaba? - 8/14/2012 1:03 PM   
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quote:

ORIGINAL: jmdairplane

futaba receivers do not need sattelite reievers and do not get brown outs.


You are new at this aren't you.

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RE: Spektrum vs. Futaba? - 8/14/2012 2:54 PM   
BuschBarber


 

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quote:

ORIGINAL: jmdairplane

futaba receivers do not need sattelite reievers and do not get brown outs.


All 2.4 Rx's can get Brownouts if the voltage drops below critical.

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RE: Spektrum vs. Futaba? - 8/14/2012 7:43 PM  1 votes
rmh



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Status: offline 		You are wasting ink -
We have entered the realm of the terminally bewildered

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RE: Spektrum vs. Futaba? - 8/15/2012 4:56 AM   
flyallday


 

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Harry 

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RE: Spektrum vs. Futaba? - 10/11/2012 5:45 AM   
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Status: offline 		futaba is a no brainer but if you fly with your buddies and they have different brands its easier to get help in programing if you need it if all have the same radio equipment


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RE: Spektrum vs. Futaba? - 10/16/2012 1:36 PM   
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Status: offline 		I too went through the mill with Spektrum.  I concluded that they rushed to market and were in a constant recovery mode.  I became totally dissatisfied with the equipment and junked it.  I got a Hitec Arurora and it has been very good.  It is easy to program.  It can be updated via the internet and has good support albeit from New Zealand of all places.  No matter, I have been quite satisfied and while I have suffer crashes they were not the equipment's fault.

Yes, i do have friends that still use Spektrum.  And they are satisfied.  But then so am I now days.  I even had a round with New Horizons and their service was a further irritant.  So no love lost.  I have not had a problem with Hitec at all.  Receivers easy to set up and stay set up.  That was the big headache with early Spektrum DSM2 stuff, plus brown outs, flashing LEDs that meant one thing one day and something else next week.  Like I said, they rushed to market and have been trying to catch up ever since. 

I have moved on.

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RE: Spektrum vs. Futaba? - 11/28/2012 12:06 AM   
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Status: offline 		I just bought a DX7s in London for twice the price in the US and am going to fly a 29% Katana with it in Egypt. Most of all I hope the radio fails and I have to rebuild the plane. Why would I want this??? Because all I can find is ARF's in Egypt!!! I want to build something like back in the day! Anyway is Spectrum being bought a lot because of the price?

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RE: Spektrum vs. Futaba? - 11/28/2012 8:32 PM   
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RE: Spektrum vs. Futaba? - 12/1/2012 9:08 PM   
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Futaba 18 MZ... Nothing even comes Close!!!

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RE: Spektrum vs. Futaba? - 12/1/2012 9:21 PM   
BuschBarber


 

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quote:

ORIGINAL: Rotten40851

I am now flying with a 18 MZ and the advertisment hit's it dead on  '' Nothing even comes close''

Especially the price!

Nice radio though!

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RE: Spektrum vs. Futaba? - 12/2/2012 12:13 PM   
Rob2160



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quote:

ORIGINAL: BuschBarber


quote:

ORIGINAL: jmdairplane

futaba receivers do not need sattelite reievers and do not get brown outs.


All 2.4 Rx's can get Brownouts if the voltage drops below critical.


I would say that EVERY electronic device on the planet gets a brownout if the voltage drops below critical..

My Ipad certainly does...

And a funny thing.. when the Local power grid experiences a voltage drop during a thunderstorm, my $3000 Plasma TV also has a brown out...

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RE: Spektrum vs. Futaba? - 12/2/2012 12:15 PM   
Rob2160



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ORIGINAL: Rotten40851

I am now flying with a 18 MZ and the advertisment hit's it dead on  " Nothing even comes close"


Nice looking radio for sure.. how long is the battery life?


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RE: Spektrum vs. Futaba? - 12/3/2012 11:28 AM   
Rotten40851



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Status: offline 		The battery lasts all day, most of the time I will fly two days before re-charging,   Nothing can touch the 18 MZ, everything about it is awesome. I just can't wait until the GPS sensor is available, alot of telemetry info in one little sensor. I will not bash Spektrum, but remember " You get what you pay for."  

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RE: Spektrum vs. Futaba? - 12/4/2012 1:27 AM   
Rob2160



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ORIGINAL: Rotten40851

The battery lasts all day, most of the time I will fly two days before re-charging,   Nothing can touch the 18 MZ, everything about it is awesome. I just can't wait until the GPS sensor is available, alot of telemetry info in one little sensor. I will not bash Spektrum, but remember " You get what you pay for."  


Nice,

That was my main concern, hearing reports of the battery only lasting 5-6 hours...

It looks a beautiful radio and glad you are enjoying it..


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RE: Spektrum vs. Futaba? - 12/4/2012 1:30 AM   
Rob2160



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All Forums >> Radios, Batteries, Clubhouse and more >> RC Radios, Transmitters, Receivers, Servos, gyros >> RE: Spektrum vs. Futaba?
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