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JR RD721, 2.4 receiver help needed.

lajwab

Senior Heliman

Chicago, ILL

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

12-15-2011 Over year old.
Wave

Veteran

Illinois

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.

12-15-2011 Over year old.
jschenck

rrProfessor

La Vista, NE.

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.

Team GrandRC

12-15-2011 Over year old.
lajwab

Senior Heliman

Chicago, ILL

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

12-16-2011 Over year old.
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JR RD721, 2.4 receiver help needed.

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