Weak motor power with the latest version
Hi,
I have a Spektrum DX9 and I use the RX2SIM to link to Next.
All is OK with version 1.440 but when I install version 1.466, I cannot get the motor of the heli's to run on high enough speed. I have recalibrated my transmitter but that does not help.
On the other hand when I use the fix wing plane. Even with the trottle fully down, the motor is still running.
So why all OK with v1.440 and problems with v1.46x ?
Regards,
Gilbert
PS: The fixed wing plane still needs work to be done: Flying knife-edge is way too easy .. :-)
#2
Hi Gilbert,
the motor power goes down when the frame rate is not 60 fps or higher. Version 1.440 is running well on your computer because it has not the physical calculated colours. These feature is not running on some older graphic cards. So, you should take a look into the graphic setup and reduce there some things for getting 60 fps.
The motor is running idle mode when you put trottle to zero. This is a typical setup which all pilots are using also in reality. When they like to switch off the motor, they switch off the ignition or an extra switch for throttle at the receiver. In neXt, you can switch off the motor with the autorotation switch.
The fixed-wing physic is really final. All I can do is to modify the setup. I ask their team pilot for checking this. But I think this its well. I have a vey similar plane. I'm very impressed about the 3D flight performance of the real Modelpower Extra 330LX.
Here is a video and take a look at the figure at 1:40 :-) https://www.youtube.com/watch?v=y_5nTX3B2QM
Here is a video of an version with bigger control surfaces: https://www.youtube.com/watch?v=rmfLhB2OQuU
All the best,
Klaus
#4
#6
#8
Hello Gilbert,
yes, the Oculus is different in case of the motor speed calculation. Because there are rendered much more frames, I had to change some things there. Maybe you can try this and tell me the result.
All the best,
Klaus
Hi Klaus,
know what the problem is. In the new version (both standard and Oculus) the pitch channel, Aux1 in My Spektrum DX9, is no longer recognized as pitch. Instead my Trottle channel is now recognised as pitch. And I can no longer control Throttle. (I have tried Gear, Aux2, Aux3 en Aux4). This explains also why the heli has weak power.
I was expecting that the new version would take over the settings of the previous version but that is apparently not the case.
I can control the motor using the model settings. Is this the way the new version is suppose to work: Always in Stunt mode (constant RPM)? If so, no problem. ( I have tried to get 'Trottle' working again via channel 4 which is also Pitch but this new version does not seem to like this.
Regards,
Gilbert
Hi Klaus,
All is OK now: I have managed to get throttle and pitch assigned to the two appropriate channels.
I still think the fixed wing model needs more work. Flying knife-edge requires little rudder corrections and one would expect then that a knife-edge looping with full rudder would be easy and smooth but that's not the case. A wing-over is not realistic either. I have first changed the weight to 9kg expecting that the rudder issues would disappear but that is not the case. I have then changed the weight to 5 kg: first some flashes and then just blue sky and no response anymore ...
Regards,
Gilbert
#11
Hi Gilbert,
what you mean is the rudder expo. Please adjust that for your need. You should compare with reality, not with other sims.
Have just tested this and see no problems. What is your problem in the wing over manoeuvre?
Oh... that's like a warp speed. That's because the motor force will not be multiplied with the planes mass. I think, I have to check the user inputs for the mass / engine power and add there an automatic limiter.
Because it's a secret, I cannot tell you a lot about the implemented aerodynamic calculations. But I like to tell you, I use the know-how of the science.
Because there are some important differences in reality between different model sizes, I like to ask you if you own an 13 kg model with 2,60 - 270m wing span.
All the best,
Klaus
Hi Klaus,
What I experience has nothing to with expo, full rudder is full rudder. (And I have 0% expo on my transmitter). Check the following: Give a brutal full rudder left or right. The plane reacts immediatly and then stops for a fraction of a second and then continues to turn (?).
No, I do not fly big models but there are people in the club flying these and I do not see that much difference, exept maybe that big models give you more time to react.
Speaking of big and small models: I think this is what disturbs me: The simulated model flies and feels like a mix of big and small plane behaviour. A Waterfall is dead easy and the plane hardly looses altitude!! (like an 150 gram indoor plane). A Hover is very difficult even when started from a knife edge (like a big "non 3D" plane with not enough rudder surface).
If elevator and rudder would be actors in a theatrical play, I would say that the elevator is overacting and the rudder still looking for the right interpretation of his role.
Please do not see this as criticism, I only try to help and I know that these similators are complicated.
Regards,
Gilbert
#13
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