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Old 11-21-2005, 04:33 PM   #11
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Originally Posted by Morison
I know at one time I could get adapters that were simply a short extention that changed the wires from the original Airtronics to the JR (common) polarity. I used MANY airtronics recievers with my JR transmitter.
If you use a non "Z" Airtronics Rx, just use older non-"Z" Airtronics servos and you can still use the JR Tx! Or as Kieth said buy the short adapter cable and you can use new JR or Hitec with JR ends on your older Air Rx!
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Old 11-21-2005, 07:49 PM   #12
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The model number of the reciever is the older ATX style (black and old style (not universal) plugs. You can get the short (about 2" leads) conversion leads for about $5 or so. Hobby Hobby in Mississauga carries them and they do mail order. Just make sure they know you want to use universal servos with old airtronics reciever.

I have used HiTec crystals with Airtronics recievers with no problems for years. They check out fine. I know a few JR only guys who use Airtronics receivers because they are dual conversion unlike the JR single conversion.

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Old 11-21-2005, 08:19 PM   #13
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JR Servo to Airtronics Receiver


If your receiver will not take the JR connectors, here is a trick that I use.

I have an old World Engines Expert System, that uses the older connectors that plug into the receiver. I wanted to make the receiver compatible with JR servos. This is what I did:

Take the servo and cut off the servo connector that plugs into the reciever. This gives a plug and wires that will go into the receiver.

I then purchased a short JR servo extension cable (has male and female ends) and cut it in half. I then soldered the JR servo connector, onto the servo wires.

The other connector of the servo extension cable was then soldered to the lead that plugs into the receiver. This now becomes a conversion cable from the receiver to the JR servo connector.

Now I can plug JR servos into the conversion cable, which plugs into the receiver.

Make sure you have the wires soldered properly, that is, positive goes to positive, negative goes to negative, and signal goes to signal. If in doubt (some older airtronics have two black leads) go to the MAAC web site for the servo cable wiring.

Hope you find the above useful.


Wayne Miller
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