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HomeAircraftHelicopterHelicopter Main Discussion › back to 72 hrz
02-04-2013 04:32 AM  5 years agoPost 21
Justin Stuart (RIP)

rrMaster

Plano, Texas

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The 72MHz antenna always felt to me like these natives who wear a big gord on the end of their....well, I think the picture is self explanatory.

It was a very strange feeling learning how to fly without that big silver antenna sticking out. I had a few panic attacks at first where I momentarily thought that maybe I had forgotten to extend my antenna (which was easy to do back in the day).

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02-04-2013 04:34 AM  5 years agoPost 22
Juggernaut

rrApprentice

Canada, Great White North

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Never changed, still on 72Mhz
95% have converted, to 2.4G, great for me as I was able to buy their 72MHz receivers for $10 to $15.
In addition never have to worry about the channel I'm on.

When 2.4G came about, I waited for the bugs to be ironed out, witnessed a lot of lockouts / crashed. keep on waiting until they refined it. They did, but did not see the point of spending $1,000 to replace my TX and all my receivers.
Never had any issues with 72Mhz, and the receivers only cost me about $10, granted they are used, but they still work just fine.

If it ain't broke ..................

still have my 9303 for my heli's and planks

but I also have a HP6DSM 6-Channel Transmitter, 2.4GHz DSM2 for my smaller bind and fly CX2 and mSR.



Finally learned to fly inverted, Helps if you stand on your head

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02-04-2013 04:38 AM  5 years agoPost 23
RM3

rrElite Veteran

Killeen, Texas - USA

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Gee thanks Justin...I think I'm gonna have to spend the rest of my evening looking at the "Hot Girls" post here on RR to clear out my memory...

showing a preference will only get you into trouble, 90% of everything is crap...

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02-04-2013 12:50 PM  5 years agoPost 24
RCHSF

rrKey Veteran

NC

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I believe 72mhz is just as solid as 2.4 especially since it's not as likely someone else with be flying on your channel any more. 2.4 is nice, but my 72 radio will always be used for planes, and gliders.

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02-04-2013 02:29 PM  5 years agoPost 25
jschenck

rrProfessor

La Vista, NE.

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Problem with fixed frequency is there is always a possibility of someone else turning on a radio on the same frequency as you. I've seen it happen a number of times. That's impossible with a proper SS radio.

What I think is unfortunate: We don't have 72Mhz SS radios. The propagation is better at the lower frequency and I'll bet that someone could adapt existing protocols to 72Mhz. Should do it before the FCC decides we don't need a dedicated frequency for our hobby. 2.4Ghz still works better for the small stuff though, with the short antennas.

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02-04-2013 02:56 PM  5 years agoPost 26
Justin Stuart (RIP)

rrMaster

Plano, Texas

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Adopting a 72MHz Spread Spectrum would be a great idea since the larger radio waves can travel much farther. 1/4 wave antennas would be about 16 inches long.

If you will recall the AMA mandated that 72MHz be divided into "narrow band" in the late 1980's. They could do the same today demanding that 72MHz adopt the same spread spectrum protocols as are used with 2.4GHz.

It would be nice not to share a frequency band with the ubiquitous WiFi routers and bluetooth devices.

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02-04-2013 07:06 PM  5 years agoPost 27
Santiago P

rrProfessor

South West, Ohio

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I still have some planks and park flyers on 72mhz. With no one to share the frequency with, it makes no sence to upgrade. I upgraded a few of then with spek and orange cheap Rx, but the rest still use Castle 72mhz digital RX, or Futaba PCM1024.

I had the case recently of a dummy taking/transmiting video and flying on 2.4. Guess how well that works? DUH
Swtiched him to 72mhz with a spare RC RX and he few all day with out a hitch.
Told him next time, do video on 900mhz or something else...

S

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02-04-2013 09:39 PM  5 years agoPost 28
fastrc1

rrKey Veteran

Planet Brooklyn, NY-USA

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Lets all go back to escapement rigs. Now those are exciting. One good linear within 3 miles firing away creating 2nd third n forth order harmonics and we've got a party. I will not go back to 72mhz but I occasionally use it for some projects.

RIP Roman Pirozek Jr.
Team Futaba USA
Team Kontronik USA
http://flysrw.com

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02-04-2013 10:31 PM  5 years agoPost 29
jvanscoyk

rrVeteran

Tucson, AZ

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27mhz!!!

must go faster, must go faster.........

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02-05-2013 03:24 AM  5 years agoPost 30
rpat

rrElite Veteran

Weirton, W. Va.

My Posts: All  Forum  Topic

I Keep all of my indoor foamies on 72mhz. I fly at a large inflated dome and I Can't see spending money on converting these over just because it is the latest thing. When I converted all of my helis and slabs over to 2.4 I never had a glitch on any of my equipment, but I did fly futaba's top end receivers on PCM.

trex 700fbl cal30,minititan,, trx600fbl,trex250,logo 500,Velocity N2

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02-05-2013 03:28 AM  5 years agoPost 31
Tag1260

rrApprentice

Ohio USA

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Do you fly up at Neville? Always wanted to run up there but haven't had the chance.

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02-05-2013 03:31 AM  5 years agoPost 32
rpat

rrElite Veteran

Weirton, W. Va.

My Posts: All  Forum  Topic

yep. you should come up some time. It is a blast. Last week we had about 45 pilots there.

trex 700fbl cal30,minititan,, trx600fbl,trex250,logo 500,Velocity N2

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02-05-2013 03:38 AM  5 years agoPost 33
jgunpilot

rrKey Veteran

Pollock, LA

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I don't miss that feeling on 72mHz where you make inputs and nothing happens as the aircraft spirals into the ground.

That's only happened to me once on 2.4 gHz.

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02-05-2013 01:21 PM  5 years agoPost 34
Four Stroker

rrElite Veteran

Atlanta

My Posts: All  Forum  Topic

I flew on 72 for 40 years. Never had a single glitch. I went to 2.4 when someone shot me down. Unfortunately, the entire 72 band is about 1 MHz and no good for SS.

Bring back the Rand actuator. Now that was something to watch.

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02-05-2013 01:29 PM  5 years agoPost 35
rpat

rrElite Veteran

Weirton, W. Va.

My Posts: All  Forum  Topic

jgunpilot,
Your last post is pretty funny. I know that you typed it but did you read it!!!

trex 700fbl cal30,minititan,, trx600fbl,trex250,logo 500,Velocity N2

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02-13-2013 11:01 PM  5 years agoPost 36
Heliluya

rrNovice

Mount Dora, Florida

My Posts: All  Forum  Topic

That FM Technology is here called frequency hopp being used in the military (SINGAR) no way to jamm nor interfere it once you programmed that Freq. #

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02-13-2013 11:11 PM  5 years agoPost 37
OLROY

rrKey Veteran

Wichita Ks

My Posts: All  Forum  Topic

What is it you all our talking about...never seen one

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02-13-2013 11:26 PM  5 years agoPost 38
pjones

rrNovice

Vancouver, Canada

My Posts: All  Forum  Topic

I think they are talking about this...

Watch at YouTube

Watch at YouTube

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02-14-2013 01:53 AM  5 years agoPost 39
freakyreef

rrKey Veteran

Kansas\Colorado border

My Posts: All  Forum  Topic

Still old school here. I fly 72 mhz on my SDX and 2.4 on my little birds. I don't ever see myself getting rid of the 9CHP. Of course, I know of no one else in my area that flies, so I hopefully will never be shot down. It has been such a great transmitter. Yes, not the fastest, I can feel the difference, but that can be compensated for somewhat. I also still fly with a NiCd, 4.8v. Although I just ordered a 6v. NiMh.

Walk on water long enough, eventually you will get your feet wet.

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HomeAircraftHelicopterHelicopter Main Discussion › back to 72 hrz
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