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January 26, 2021, 06:40:27 PM

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Messages - HornetMaX

1
Custom hardware / Re: The perfect gamepad
January 24, 2021, 12:28:17 AM
Quote from: Vini on January 23, 2021, 07:06:25 PMHow is the resistance on those model airplane sticks compared to gamepads?
Higher. On some radios (not sure about the x-lite ones) you can tweak both the recall springs (put softer/harder ones) and the friction (tightening a piece of metal that rubs when the stick is moved).

I'm still waiting for the battery for my radio (a few more days) but I can tell you one thing: the heli sim I have (and, in fact, any heli sim) is unusable with the joypad due to how imprecise the sticks are. Even hovering is extremely hard.

Some pics of the internals: https://rotorbuilds.com/review/12507
2
Custom hardware / Re: The perfect gamepad
January 23, 2021, 06:38:29 PM
That won't probably work very well for a few reasons (no triggers, no usual buttons, may need a battery etc), but it shows that a joypad with quality gimbals can be built.

https://www.frsky-rc.com/product/taranis-x-lite-s/
https://www.frsky-rc.com/product/taranis-x-lite-pro/

They even have a 6 axes accelerometer system.
You can connect to pc via usb or buy a "receiver" that plugs into usb.
3
Custom hardware / Re: Gamepad with Real FFB
January 23, 2021, 05:16:06 PM
Quote from: Vini on March 12, 2020, 06:24:38 PMThen this may be further proof that the virtual rider is causing stability issues and needs to be tuned to be less tense and more smooth.

Additional analysis would be great, though.
Resurrecting this just to say that the steering torque signal has always been extremely noisy/spikey/hig-freqey in GPB: you can easily see this using telemetry.

It sounds too easy to be true, but I'll say it anyway (again, I think I already asked this multiple times long time ago): PID controllers (like the virtual rider) may have high gain at high frequencies, depending on how they are tuned. In usual applications, the PID is followed by a lowpass filter of some sort to avoid that. Not sure if GPB has anything similar.

Of course the design of the filter is not exactly trivial as it shouldn't interfere with the behaviour of the PID in the freq range where it matters (i.e. shouldn't affect the stability of the whole system and the general response).

Also notice that in some industrial applications the filter may not be there but often this is due to the fact that the actuator has its own "filter" inside (i.e. it behaves like a lowpass above certains frequencies). Again, not sure what GPB does about that.
4
Custom hardware / Re: The perfect gamepad
January 08, 2021, 09:02:46 PM
I'm a spoiled brat, just went for a Radiomaster TX16S: it's way too much for an heli beginner and it's way way too much for a sim usage but:
  • It has excellent gimbals + hall sensors.
  • It has an open source firmware (OpenTX): this thing is A-M-A-Z-I-N-G !!
  • It has a multi-module: it can work with many different receivers (Futaba, Spektrum and a ton of others).
  • It is damn good (according to a tons of reviews)
  • It's only ~125 euros if ordered in China. That's 1/3rd of what I paid years ago for a much more limited Furba 8FG

If I decide to sell it in a few months (which could well happen), likely I'll lose only a few quids.

I was looking for  aused Spektrum (or FrSky orwhatever with decent quality and easy to hook-up to a simulator), after checking what is on sale here, really no point in not buying a better, brand new radio for less :)
5
Custom hardware / Re: The perfect gamepad
January 07, 2021, 08:42:44 PM
The gimbal is the mechanism that allows the stick to move along the two axes.
In joypad gimbals are usually terrible and the sensors (potentiometers) often even worse.

Stick length: I'm not sure a joypad stick with extensions/raisers (I have them too and I agree they help) is that much shorter than an RC radio with short sticks. Maybe a bit, but not enough to explain the difference in precisions (centering, full excursion over the two axes, sensor noise) and the feeling (most radio have adjustable stick tension, many both in terms of spings and friction).
6
Custom hardware / Re: The perfect gamepad
January 07, 2021, 11:55:54 AM
Quality gimbals under sticks, like the ones you have on good RC transmitters.

I just tried a joypad (GPX) in an accurate RC Heli sim software: the sticks are so crap that it's barely usable.
I'm pondering buying an RC transmitter to then buy an heli (again): sure as hell if I get it I'll give it a try in GPB.
7
Bug Reports / Re: B19 bugs
January 05, 2021, 09:53:39 PM
Quote from: Myst1cPrun3 on January 05, 2021, 10:36:41 AM
Quote from: HornetMaX on January 03, 2021, 10:56:03 AMReinstalling some manu's stuff (bikes, riders), some files are not seen by the game if they are put in the mod folder (they work fine if put in gpb main folder): misc/dashes and rider/.

Maybe others too and likely not a beta19 bug (was there before). Still, makes installation of complex mods a bit messy.
I believe anything that's not a bike or track needs to go in the main directory.
Tyres work fine in mods dir.
8
Bug Reports / Re: B19 bugs
January 03, 2021, 10:56:03 AM
Reinstalling some manu's stuff (bikes, riders), some files are not seen by the game if they are put in the mod folder (they work fine if put in gpb main folder): misc/dashes and rider/.

Maybe others too and likely not a beta19 bug (was there before). Still, makes installation of complex mods a bit messy.
9
Documentation / Re: profile.ini
January 01, 2021, 04:15:15 PM
Quote from: PiBoSo on December 26, 2020, 11:52:03 AM[ext_view]
mode=0
dynamic=0

Setting "mode" to 0 locks the external view to the bike.
Setting "dynamic" to 0 forces the external view at a fixed distance from the bike.

And if mode is at 1 ?
And if dynamic is at 1 ?
10
v2.3 out:
  • Updates for GPB beta19 (tyre temps are logged).

I've added a PayPal donate button in the 1st post 8)
11
v2.3 out:
  • Updates for GPB beta19 (tyre temps are logged).

I've added a PayPal donate button in the 1st post 8)
12
Plugins / Re: MaxHUD plugin
December 30, 2020, 08:16:45 PM
V2.2.4 out (2020/12/30)
  • Removed fixed font AsapBold as not truly fixed.
  • GPB only: ECU widget now also shows tyres temperatures (when bike allows it).
13
Plugins / Re: MaxHUD plugin
December 30, 2020, 08:16:38 PM
V2.2.4 out (2020/12/30)
  • Removed fixed font AsapBold as not truly fixed.
  • GPB only: ECU widget now also shows tyres temperatures (when bike allows it).
14
Bug Reports / Re: B19 bugs
December 30, 2020, 04:17:24 PM
Damn, I read the (updated) release notes a bit too late. Thx !
15
Bug Reports / Re: B19 bugs
December 29, 2020, 09:14:50 PM
@PiBoSo: m_aafTreadTemperature seems to contain only zeros.