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Surface radio receiver compatibility

Old 06-27-2007, 08:15 AM
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simark
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Default Surface radio receiver compatibility

I have a Futaba 2ch AM surface radio that I would like to use for a couple of boats. Can I use anyone's receiver, Hitec, Airtronics, etc. Is there a problem with pos or neg shift similar to the 72 mHz airplane radios? Are they all interchangeable?
Thanks.
Old 06-27-2007, 09:46 AM
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piper_chuck
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Default RE: Surface radio receiver compatibility

If you have a Futaba transmitter, You need a receiver that uses negative shift. Hitec makes both positive and negative shift receivers, as well as a few models that are shift selectable. I believe Airtronics uses positive shift. Having said this, I would suggest that you limit your investment in AM. If you are going to buy them, look for people who are trying to unload spare radios. For example, it's quite common for people who buy RTR boats to replace the AM receiver with an FM one that works with their existing radios. These radios are usually brand new. I happen to have at least one, from a Miss Vegas, sitting in a box in my workshop as I type...
Old 06-28-2007, 12:03 AM
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Default RE: Surface radio receiver compatibility

Slow down just a little Piper Chuck! He asked about using an AM Futaba transmitter (I said an AM transmitter). There is no "Shift" to an AM transmitters signal.It can be used with ANY manufacturer's AM receiver.But only AM receivers.
Old 06-28-2007, 07:57 AM
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Default RE: Surface radio receiver compatibility

Ok, thanks gents. I am very familiar with the FM shifts pos and neg with the aircraft equipment, but wasn't sure about the AM stuff.
If I decide to get anymore involved with surface RC, I get a 2.4 gig system and receivers, but for now I just have this Big Swamp Buggy airboat that I would like to get going.

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