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HelicopterRadio - JR DMSS › JR RD721, 2.4 receiver help needed.
12-15-2011 10:20 AM  5 years agoPost 1
lajwab

rrApprentice

Chicago, ILL

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Hi,

I have been flying my planes and heli's on 72mhz system but I just bought a Spektrum DX7 radio with a JR RD721 receiver with a baby antena attached to it.
I am flying my cap21 plane with OS55 nitro engine using this JR RD721 receiver with no issues.

My questions is, can I use this receiver on my nitro helis?. I've got a Fury Extreme 91 and a Hirobo EVO50 heli.
I'm kinda new to 2.4 so just like to make sure this receiver will work ok for my helis.

I'm also going to order an AR7000 receiver as well but i already have this with me.

I will appreciate your help.

Thanks,

Arshad

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12-15-2011 02:11 PM  5 years agoPost 2
Wave

rrKey Veteran

Illinois

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It will work just fine if you use the included satelite rx in the installation.

It is full range and should be just as reliable as any other DSM 2 full range rx.

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12-15-2011 02:58 PM  5 years agoPost 3
jschenck

rrProfessor

La Vista, NE.

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I don't think there is any functional difference between the JR 721 and the Spektrum AR7000.

If you trust it for a nitro airplane it'll be plenty good for your heli! Flown many heli's with those RX's, no problems. Mount the satellite antenna so the wires are at a different angle than the primary RX antenna wires, ideally at 90 degrees to each other.

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12-16-2011 04:03 AM  5 years agoPost 4
lajwab

rrApprentice

Chicago, ILL

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I appreciated your comments anout this receiver.
It would be very helpful for me to understand if someone can post some pics of their helis setup for these 2.4 receiver showing the right orientation or direction of the antenas.

Many thnaks.

Arshad

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HelicopterRadio - JR DMSS › JR RD721, 2.4 receiver help needed.
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