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Old 05-15-2019, 01:29 PM   #1
chevelledude13
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Difference Between a Heli or Airplane Version Tx


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I need to replace my JR x9303 2.4 airplane radio. I have access to a 9503 Heli version. What is the difference? Can the 9503 Heli be somehow modified to become an airplane version? I have throttle/rudder on the left stick and elevator/aileron on the right, which i think is called mode 2. Is this different on a heli Tx?
Any help would be appreciated.
Thanks.
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Old 05-15-2019, 04:53 PM   #2
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The only real difference is that the throttle stick is smooth, no ratchet to it. Heli radios work fine with planes and usually have plane functions as well.
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Old 05-15-2019, 11:14 PM   #3
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Re: Difference Between a Heli or Airplane Version Tx

I used to fly my planes on heli radios always. The 9503 was one of them. Everything is the same except some switches and as HAL9KPCM mentioned the smooth throttle which if everything is included the ratchet strip is usually in the box and can be installed. The 9503 has airplane, sailplane and heli programming in all versions. Several of the switches are programmable also. The heli version will work just as well for your airplane as the plane version . It just has some switches in different spots for the common heli locations.
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Old 05-15-2019, 11:44 PM   #4
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Re: Difference Between a Heli or Airplane Version Tx

Some heli radios may have added programming for heli use making complex setups easier.
But if using it for aircraft should work all ok.
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Old 05-16-2019, 05:11 AM   #5
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Re: Difference Between a Heli or Airplane Version Tx

Awesome guys...thanks! I'm just going to check with my friend that the rudder/throttle is the left stick and aileron/elevator is on the right. Is that the standard for the way you set up your heli radios guys?
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Old 05-16-2019, 07:02 AM   #6
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Re: Difference Between a Heli or Airplane Version Tx

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Originally Posted by chevelledude13 View Post
Awesome guys...thanks! I'm just going to check with my friend that the rudder/throttle is the left stick and aileron/elevator is on the right. Is that the standard for the way you set up your heli radios guys?
If that is how you fly, that is called "Mode 2" and is most common here in the west.

Not that any other way isn't wrong. Old schooler's and some Europeans are "Mode 1"

The new way is mode 4, but most just stick to Mode 2

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Old 05-16-2019, 07:24 AM   #7
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Re: Difference Between a Heli or Airplane Version Tx

The smooth throttle can be used for aircraft and I have modded all mine that way. Just want simple friction to hold the stick where you want it.

In fact, I found ratchets problematic for fine throttle control as it always was a bit too low or high for what I needed anyway.

Depending on make that is a simple fix. Either turn over the spring lever itself, file or grind the teeth off the plastic cam or use heat shrink over the lever. That latter is usually a short term solution.

Having said that, there are differences in switch and lever functions for helis and planes. That means each can have functions specific to that type assigned to each switch.

For example, you can use a switch for gear on planes or gyro on helis. Another would be throttle hold on helis. This is not something you would find on planes.

Having said all that, there were transmitters dedicated to one type only. The JR 10X comes to mind. There were plane and heli versions exclusively. These were very high quality units with metal cases and serious programming for their generation, likely why not enough internal memory for additional aircraft types.
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Old 05-16-2019, 10:35 AM   #8
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Re: Difference Between a Heli or Airplane Version Tx

As Gary says ,the older radios assigned switches for specific functions . Some brands ,now running 10 years old allowed you to use any switch for any function just by specifying the switch number or switch position for the function you wanted. You could also use the same switch number for more than one function. Didn’t require specific airplane vs heli programming as the one radio could do both. Those were way ahead of their time and never given enough credit except by those that used them.
I am sure other brands had their own way of programming over time and improvements came along as different programming evolved to catch up.

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Old 05-16-2019, 01:37 PM   #9
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Re: Difference Between a Heli or Airplane Version Tx

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Old 05-16-2019, 08:28 PM   #10
Dennis Pedersen
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Re: Difference Between a Heli or Airplane Version Tx

Quote:
Originally Posted by Cougar429 View Post
Having said all that, there were transmitters dedicated to one type only. The JR 10X comes to mind. There were plane and heli versions exclusively. These were very high quality units with metal cases and serious programming for their generation, likely why not enough internal memory for additional aircraft types.
Yes many years back I had a JRSXII for my planes and one for my Helis, they only had the specific aircraft type programming in them. Today a nice 500.00 dollar radio would do it all with way more features.
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