Comparison test: RX2SIM against other USB simulator adapters

Sat Jul 01, 2017 9:58 am (Last edited: Sat Jul 01, 2017 10:59 am)

Klaus-Eiperle
#1

Comparison test: RX2SIM against other USB simulator adapters

I used a Futaba T14SG with a Futaba R6008HS receiver. The servo travels are default with the settings being -100 to +100. This could be increased to -130 to +130 if necessary.

RX2SIM
- Mode: Purple = Game Controller: 8 proportional channels
-> The channel noise is 0.0488 (range is from 40.8 to -41). Although it is a radio connection, the transmission quality is excellent. No disturbing smoothing filter is recognisable.

'Wireless 9 in 1 Simulator Adapter' (HobbyKing)
- Mode XTR: 4 proportional channels, 3 buttons
- Mode RealflightG: 5 proportional channels, no buttons (because they are flickering)
- Mode Aerofly: 6 proportional channels, 1 button
- Mode Phoenix: nothing
-> Channel noise in cordless mode: 9.4118, range of values: 75 to -87. When I look at the stick presentation, I see continuous minimal stick movements. A word of caution: Do not use this adapter in wireless mode as controls certainly feel negatively influenced by the adapter.
-> Channel noise in cable mode: 0.0000. This is because a smoothing filter is active within the interface. Another downside is that even smaller inputs are smoothed out and/or get lost.

'USB Simulator cable XTR/AeroFly/FMS' (HobbyKing)
- 4 proportional channels, 3 buttons
-> Channel noise: 1.5686, range of values: 84 to -80

'Original Reflex XTR Interface' (in joystick mode)
- 6 proportional channels
-> Channel noise: 0.7843, range of values: 85 to -78

'USB Flight Simulator Cable Super Sim X, All-In-One' (Mode 2)
- 5 proportional channels, 3 buttons
-> Channel noise: 0.0000, range of values: 84 to -80

Conclusion: My purchase recommendation is the RX2SIM, since this adapter has the highest signal quality and it can be used universally because of the 8 channels. The additional channels are very useful. With one channel, 4 flight conditions can be switched and the motor can be switched on and off. A further channel can be used for the autorotation training. Whatever channel assignment your transmitter has been setup to, the channels are always visible in neXt. This is the main problem with the Chinese interfaces.

All the best,
Klaus

Align T-Rex 700X, Goblin 700 Competition CE, MR25, Katana S 33%

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#2

Tue Jul 04, 2017 5:13 am

Douglas
#2

Do

Douglas

Hi Klaus,

I don't quite understand the importance or significance of the figures in the comparison, but I do understand your conclusion. Thanks.

Regards,

Douglas

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#3

Mon Nov 12, 2018 2:32 pm

curmudgeon
#3

cu

curmudgeon

The RX2SIM is super versatile, as it will work with virtually all radios. There are a few points to keep in mind:

1) It is limited to only 8 channels, so may not allow you to use all the functions in the simulator via the transmitter. This means that if you need 9+ channels to access the simulators' additional functions, you may have to access those functions via the computer keyboard even if you are using a 24 channel radio.

2) You will need to supply a receiver when using the RX2SIM. For Spektrum, a remote satellite will work. For other radios, I generally use the physically smallest receiver made for that brand radio.

Although the RX2SIM is the most versatile of all the current wireless solutions, I consider that for Spektrum radio users, the Spektrum WS1000 or the OrangeRX wireless USB interfaces are cheaper and less bulky than the RX2SIM.

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