Hi, I eventually had time to fly, but I seem to have a problem with my setup. Headspeed holding was poor and would not speed up and follow the throttle curves.

I tested it on the bench :
Power up and connect BT.
Current and Requested RPM in the app shows 0.
Throttle curve is 0, 45, 45, 45, 45. Once I move the throttle past 40%, the Current RPM jumps to 850. Requested stays at 0.
When I spin the engine with the starter, the Requested RPM shows the actual RPM and matches that shown thru the TM1000 on my TX.
UI1 & IU2 are flat 65% and 75% . The Current RPM bar follows these curves and shows higher values, while the Requested RPM stays at 0 ( engine not running)

This seem to be the wrong way round ?

CHP/Trex 600 with YS 60sr. I'm using an Align sensor, reading magnets on the fan and I see the correct headspeed on my TX. I spliced the white wire to the center of PiT.

What is wrong in my setup please ?

You are right, it looks exactly the other way around.

Do you see that in the PC software or in the BT app? Never tried that in the BT app, maybe there is a bug and the two descriptions are swapped.

If that would be the case, then the missing Current value can only be due to a non-working sensor.

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Oxy 2 ♦ X-Vert ♦ Warp 360 ♦ Blade 450X ♦ Blade 450X Nightflyer ♦ Goblin 500 (RIP) ♦ 2 X mCPX v2 ♦ night fly mQX ♦ LadyMQX ♦ nano QX ♦ nano QX FPV ♦ Inductrix ♦ DX8 G1

Hi, Android app. Have not tried it on the PC software.

Although I would not dismiss a malfunctioning sensor, I get the right reading on my TX, via a TM1000 and the Requested RPM bar moves correctly when I spin it with the starter.

Hi, it looks like a problem with BT app. We will check it and fix it immediately if possible.

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Spirit System developer

Missed that detail. Then, they are only swapped in the Android app, most probably.

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Oxy 2 ♦ X-Vert ♦ Warp 360 ♦ Blade 450X ♦ Blade 450X Nightflyer ♦ Goblin 500 (RIP) ♦ 2 X mCPX v2 ♦ night fly mQX ♦ LadyMQX ♦ nano QX ♦ nano QX FPV ♦ Inductrix ♦ DX8 G1

Function is ok, only the labels are swapped

I uploaded new app version to google play. Update will be avaliable within 24 hours.

I apologize for the problems.

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Logo 600 3D -> Spirit FBL
Spirit settings Developer

Fixed indeed. Thank you very much !

To be sure I've got it set up correctly :

Throttle at 50% opens the carb to the factory "hover" position.
Throttle range shows 0 - 2500 RPM on the Requested RPM bar.
I have set the Max RPM to 2100 and this equates to 84% throttle. IU2 is set to 82% - 2050 RPM.

Gov will not let it overspeed past 2100, but it will use the full throttle range to maintain 2050 ?

Should I move the throttle link out so that the Max RPM ( 2100) is closer to the 100% throttle ?

You should set the Max to 2500.

When your curve requests 82% you will get 2500/100*82 = 2050.

With your current config you would get 2100/100*82 = 1722.

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Oxy 2 ♦ X-Vert ♦ Warp 360 ♦ Blade 450X ♦ Blade 450X Nightflyer ♦ Goblin 500 (RIP) ♦ 2 X mCPX v2 ♦ night fly mQX ♦ LadyMQX ♦ nano QX ♦ nano QX FPV ♦ Inductrix ♦ DX8 G1

Hi, thank you for the prompt response and the help !

This is indeed what I've been seeing ( it will not go past 17k ). I will change it so and try it soonest.


Ps. Not only the product, but this level of support is the reason why a Pro unit is on its way to me and will go on my gasser build !