How far can the Futaba 10C + R136HP in flying

by Ben
(Thailand)

Hello, I'm Ben
just want to know that typically any good proportional radio system, such as Futaba.
How far can they do in flying operational length. (Don't give me an answer that they can fly as far as you can see, please give me just roughly, such as 500 meters)

Anyone know or who expert in radio frequency field please help. Thanks.

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How far can the Futaba 10C + R136HP in flying

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Thank you
by: Ben

Hi, Thanks a lot to you all that gave me a new knowledge.

consider all the variables.....
by: Hickoryhead

Ben, I too looked into this question some time ago, I saw one responder has said 1500 meters. This answer you seek is a 2 sided coin with positives one one side and negatives on the other.

In other words there are things you can do to help your radio trans. & rec. work at their best, and things to avoid.

I have seen planes plow into ground or fly away with full tank of gas cause link between trans./rec. deminished or was blocked. I suggest you go to Futaba.com web site and on right hand side in red is F.A.Q. - you can choose your current radio set and read up to date info. about it.

Here are a few things you may want to keep in mind as to give your radio set the best performance.

How strong are your batteries, max voltage and mAh, frequency of set like PCM512 - PCM1024 -AM - FM (72MHz-75MHz and 2.4MHz, your antenna wire, coolness, weather and crystal's matched.

All these variables are discussed in F.A.Q. but make sure your batteries are the max. voltage and mAh. and do not have a dead cell.

I use NiMh batteries so cycling down & charging up with trickle protection is important- DON'T OVERCHARGE BATTERIES! Don't know your freq. - mine is FM 72.590 which is narrow band, Futaba say's it is more prone to freq. problems issues than newer 2.4mhz FAAST system.

Futaba say's keep your antanna as straight as possible and as accesable to trans. and NEVER bundle it or cut to shorten it.

Keeping your rec. and batteries in plane protected by foam is good, but to much foam can insulate heat in and affect their working ability.

Weather usually does not effect it but obviously stay out of incoming storms. Finally Futaba F.A.Q. mentions about if your set up has matched freq.

I mention this as my old FM radio I bought new in 1990 is FM 72.590mhz but the original receiver had to be replaced. It was legal but it became more vaunerable to other freq. blocking my trans. from getting through so I had to get a new NARROW band rec.

Now for the other side of the coin..... try to min. engine vibration as the vibration can it's self create a freq. and interfere with your rec. getting clear reception from trans.

Other freq. issues to consider are how close is your flying site to truckers & freeways and highways, cell towers, ham radio towers, other RC planes flying near by and real planes & helicopters.

Even though these things are on different bands you need to be mindful as some may "bleed over" your trans. If you look at F.A.Q. you can find your trans. and at what the strength is in its broadcasting, you'll be suprised that it's strength of power is pretty small. Thats part of the reason you don't need an FCC lic. to use it, so try to stay clear of said items as they have a lic. and broadcast with powerful transmitters that can definately block your planes reception of your trans.

So you see just asking how far can my plane be from me has so many variables that can hinder it's ability.

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Submitted by: Hickoryhead

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Ben, I too looked into this question some time ago, I saw one responder has said 1500 meters. This answer you seek is a 2 sided coin with positives one one side and negatives on the other. In other words there are things you can do to help your radio trans. & rec. work at their best, and things to avoid. I have seen planes plow into ground or fly away with full tank of gas cause link between trans./rec. deminished or was blocked. I suggest you go to Futaba.com web site and on right hand side in red is F.A.Q. - you can choose your current radio set and read up to date info. about it. Here are a few things you may want to keep in mind as to give your radio set the best performance. How strong are your batteries, max voltage and mAh, frequency of set like PCM512 - PCM1024 -AM - FM (72MHz-75MHz and 2.4MHz, your antenna wire, coolness, weather and crystal's matched. All these variables are discussed in F.A.Q. but make sure your batteries are the max. voltage and mAh. and do not have a dead cell. I use NiMh batteries so cycling down & charging up with trickle protection is important- DON'T OVERCHARGE BATTERIES! Don't know your freq. - mine is FM 72.590 which is narrow band, Futaba say's it is more prone to freq. problems issues than newer 2.4mhz FAAST system. Futaba say's keep your antanna as straight as possible and as accesable to trans. and NEVER bundle it or cut to shorten it. Keeping your rec. and batteries in plane protected by foam is good, but to much foam can insulate heat in and affect their working ability. Weather usually does not effect it but obviously stay out of incoming storms. Finally Futaba F.A.Q. mentions about if your set up has matched freq. I mention this as my old FM radio I bought new in 1990 is FM 72.590mhz but the original receiver had to be replaced. It was legal but it became more vaunerable to other freq. blocking my trans. from getting through so I had to get a new NARROW band rec. Now for the other side of the coin..... try to min. engine vibration as the vibration can it's self create a freq. and interfere with your rec. getting clear reception from trans. Other freq. issues to consider are how close is your flying site to truckers & freeways and highways, cell towers, ham radio towers, other RC planes flying near by and real planes & helicopters. Even though these things are on different bands you need to be mindful as some may "bleed over" your trans. If you look at F.A.Q. you can find your trans. and at what the strength is in its broadcasting, you'll be suprised that it's strength of power is pretty small. Thats part of the reason you don't need an FCC lic. to use it, so try to stay clear of said items as they have a lic. and broadcast with powerful transmitters that can definately block your planes reception of your trans. So you see just asking how far can my plane be from me has so many variables that can hinder it's ability.

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