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Topic: Helicopter total realism 1.0 - htr -  released, Create your own helicopter now< Next Oldest | Next Newest >
frednaar
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Posted: Mar. 18 2010,13:04

Quote (aeronauta @ Mar. 18 2010,11:01)
Fred after much reading and finding out, I have managed to get a reasonable .cfg file for the Nemeth Huey, all my concerns began as looking at the .cfg for the nemeth it looked as a copy of the default 206....which it almos was, then looking at the .air file my doubts were confirmed, the .air file was an exact copy , included the surface numbers!!!...anyway after rewriting the .cfg and the .air with my measurements and values I think I got it.
One thing that I cannot get is a smooth takeoff ,as I increase collective the helo starts bouncing up/down gently but enough to cause rough or heavy landing. otherwise once past that point it takes off ok, but as I fly from the VC it looks prety harsh!!!. By the way I have the refresh rate at 90  and get still 30FPS .

I think this is the best realism program I have ever find and I think it has immense potential.
One thing I would like better explained is the meanAerodynamicChord, you say start at abaout 1/2 blade lenght and I have calculated it to be 1.91 for the Huey using the MAC formula.
Anothe efffect I found very hard to avoid is the torque in the pitch axis that the Tail rotor imposes...in the Huey the tail roto is very high above the CG and that causes it. Dont know how they go in real life but I have never seen it mentioned.

enough for today...keep up the fantastic work and thankyou again....

Jorge

Thank you Jorge,

regarding the bouncing, this is possibly the same issue  I had with the EH 101. In the Robinson type helicopters in FSX MS cheats the vertical velocity by forcing an uplift which I cannot control.

I suggest you increase the main rotor maxCollective until you take off before MS will. Also there is a small glitch in the main rotor above ground height that will be fixed in the new version.

The refresh rate, is the HTR refresh rate not the FSX refresh rate, use it to keep both of them in synch. I usually set the HTR refrest rate a few units below FSX as it avoids stuttering . So in your case I would use around 25.

Also the stuttering problem for Robinson type helicopters (EH101 and Robinson) should be largely improved in the new version (I understood why, another MS cheat...)

I hope to release the new version this weekend, the fact is I keep on receiving feedbacks (most of them luckily positive) and try to add things to the simulation...I think I have to give a final polish and release....

Thanks for your feedback!
Fred


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mos
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Posted: Mar. 18 2010,18:56

Hi Fred !
Take your time, of-course we all are looking forward to ...., what you already have done (a masterpiece) and now a update that's take care of the few upstart problems, I already use your program a lot, and the patch (Zip) "sundog" have done/recovered, with your program for the Bell 412 EP, shows what your program can do, already, so keep cool, we are all, looking forward.
I think I speak for "many" when I say, - You have done a lot to FSX "HELLI" flying - already, (and you have writing something about (if I remember right) that it might, could be converted to clipped wing, but that's another story (maybe I have started a "Lavinia" now!).
But you get the credit, great program already, thank you, a lot.
MOS


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aeronauta
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Posted: Mar. 19 2010,06:51

Well here it is,  I have made a new .air and a new .cfg for the UH1-1h and a dhtr_dynamics file to go with them, please if you own the Nemeth Design Huey 1h ( included the update and the patch), go to ...////rotorcraft\ND_uh1h folder and rename the original .cfg and .air files to .airoriginal and .cfgoriginal,  then unzip and  copy the three files in the zip into this folder.
Start FSX go to select aircraft and select Huey 1h no guns, fly the helo normally to make sure all still works OK with the new .cfg and .air (if you have fown it much before you may notice some diff) , if all is OK, now start HTR, in the HTR window set the refresh to a number a bit below your FPS (as fred sugested) and your realism to 50 to star (I use 100%) .

Fly, you will have to be very gentle this is a big beast and must be hadled with care...

here is the link to the files Huey HTR files

please test and report as much as possible.
regards  Jorge
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mos
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Posted: Mar. 19 2010,08:30

Hi Jorge!
"Well here it is,...new .cfg for the UH1-1h ...Nemeth Design "

Thank you, unfortunately I don't have the Nemeth Design  UH1-1h

I wanted to ask, haw is  the "Nemeth UH1 " compared to, let us say the CERA Bell 212 the CERA Bell 412 and DODO 206 ?

Mos


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aeronauta
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Posted: Mar. 19 2010,08:51

No different. it is a nice helo outside but the flight model was like the defaults...

single engine and a bit smaller than the 412 and larger than the 206.

If you have any other huey model use the files I sent and try it out, it may work...

Jorge

ps nothing to do with the Dodo.


Edited by aeronauta on Mar. 19 2010,08:52
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frednaar
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Posted: Mar. 22 2010,10:35

Hi,
I have uploaded HTR version 1.02 in the files section, here's a direct link to download:

HTR VERSION 1.02

to use just extract to your current HTR directory.

You can also install this release directly without the previous version of HTR. Also I have taken out the Canadian Transportation Helicopter Courses for a smaller download (I left a link in the manual).

The Manual has been updated and also all the standard profiles.

The new features include:
- reviewed config file for the EH 101 (much improved I believe) and Robinson.
-I have added FSUIPC version check to avoid running with wrong version of FSUIPC.
- HTR checks if it is already running to avoid multiple launches.
- largely resolved the stuttering issue on Robinson type Helicopters
- Lateral COG (left right center of gravity) position now affects center of gravity displacement.
- Tail rotor hit small error fixed.
- FS9 open config not working if the directory was uppercase, now works lower case.
- added a new parameter (mainRotorHeight) for rotor height to fix a small ground effect bug.
-added a new parameter for ground yaw friction (GroundYawFriction) to fix the light on skids issue
- added vibrations effect for more realism
- basic recording replaying records the pilot input and model velocities, this should allow to make small HTR tutorials, maybe running a synchronized voice track
- added random failures as requested
- added vibrations as requested
- added auto hover mode, by clicking twice on trim button, works better on larger helicopters.
- revised manual with configuration troubleshooting


Existing existing configurations should add the following parameters, which otherwise will be set by default:
GroundYawFriction = sets the amount of yaw friction while grounded, adjsust to have helicopter yaw when light on skids .

mainRotorHeight = set the main rotor height from ground in feet, to have a more precise ground effect.

vibrationLevel = affects vibration size for when the vibration effect is on for those who like it... Vibration frequency is proportional to the update value of the main HTR window.

For those having problems running HTR please create a debug recording (see the manual) zip it and send it to the email adress you can find in the manual.

Enjoy
Fred


Edited by frednaar on Mar. 23 2010,10:58

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jordan
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Posted: Mar. 22 2010,10:44

That's great news Fred!

For now, I'll add it right to the library, but in the next few days I'll figure out the best way to make sure that HTR gets the attention that it deserves at Hovercontrol.


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frednaar
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Posted: Mar. 22 2010,10:52

Quote (jordan @ Mar. 22 2010,12:44)
That's great news Fred!

For now, I'll add it right to the library, but in the next few days I'll figure out the best way to make sure that HTR gets the attention that it deserves at Hovercontrol.

Thank you Jordan,
that would be great ! let me know if you need anything.

Also please let me know when it's online so I update the links on the previous post and on the first post of this thread.



Bye
fred


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jordan
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Posted: Mar. 22 2010,11:15

Its up now.

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Leorstef
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Posted: Mar. 22 2010,16:39

Took some short hops in all 3 of the default FSX helicopters this morning.
HTR was already good, but 1.2 is much better, Fred!
Really stable on my system now, and all of the oddities I had noted before are gone.
Thank you for all of the hard work Sir! :salute:


Edited by Leorstef on Mar. 22 2010,16:40
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jordan
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Posted: Mar. 24 2010,01:13

Moved to dedicated forum.

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frednaar
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Posted: Mar. 24 2010,08:23

Quote (jordan @ Mar. 24 2010,02:13)
Moved to dedicated forum.

Thank you Jordan!

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frednaar
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Posted: Mar. 24 2010,08:31

Quote (aeronauta @ Mar. 19 2010,07:51)
Well here it is,  I have made a new .air and a new .cfg for the UH1-1h and a dhtr_dynamics file to go with them, please if you own the Nemeth Design Huey 1h ( included the update and the patch), go to ...////rotorcraft\ND_uh1h folder and rename the original .cfg and .air files to .airoriginal and .cfgoriginal,  then unzip and  copy the three files in the zip into this folder.
Start FSX go to select aircraft and select Huey 1h no guns, fly the helo normally to make sure all still works OK with the new .cfg and .air (if you have fown it much before you may notice some diff) , if all is OK, now start HTR, in the HTR window set the refresh to a number a bit below your FPS (as fred sugested) and your realism to 50 to star (I use 100%) .

Fly, you will have to be very gentle this is a big beast and must be hadled with care...

here is the link to the files Huey HTR files

please test and report as much as possible.
regards  Jorge

Hi Jorge,

I checked your profile last night I wanted to understand the aircraft.cfg issue. I managed to have the model fly without changing any original files.

I took the liberty to change some values by adding the new parameters and correcting some values:

-I moved the COG a little back to have a slight nose up attitude on hovering see this huey video

- I decreased the horizontal stab lift to have a correct attitude in forward flight

- I gave more tail rotor authority by increasing the max collective

- I gave less collective the main rotor by decreasing the max collective and some more cyclic authority by increasing the maxcyclic.

here's the link to the download
HUEY CONFIG

let me know what you think.

bye
Fred


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Shawn
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Posted: Mar. 24 2010,16:17

Hello Fred

I just wanted to say thank you for such a fantactic bit of software. I've only recently installed HTR and flown with it in FS9 and it's simply amazing. You've taken a huge step forward with helicopter flight simulation and then gave it away for free, very nice work.  :)
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Seahawk72s
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Posted: Mar. 24 2010,17:55

It looks like the file is missing..?

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Cap Carvalho
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Posted: Mar. 24 2010,18:06

Great job, the 1.0 version is already a great improve to the flight, thanks, Fred.
But now I can't find it in the library and the link says file is missing.
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jordan
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Posted: Mar. 24 2010,19:09

My bad on the missing files.  I am creating a specific file section just for HTR.  I will get things sorted out and correct the links as soon as I can.  Thanks.

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Bell209
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Posted: Mar. 26 2010,11:37

Great work, mate! When will the twin-engine version be available?

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"If it doesn't 'Wok', it isn't a helicopter!"
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frednaar
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Posted: Mar. 26 2010,18:48

Quote (Bell209 @ Mar. 26 2010,12:37)
Great work, mate! When will the twin-engine version be available?

Hi,
multi engine management is already available, you can fail individual engines through the failure system and you will see a drop in available power. So you can try One Engine Inoperative flight for multi engines helicopters.

If you mean twin rotor, tandem or coaxial, such as the Chinook ot Kamov type,I was planning to release some more configurations for standard helicopters for a while and then start working at the new version that will support them after that, to release say about june.

Bye
Fred


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mos
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Posted: Mar. 26 2010,23:04

Hi "sundog" !
Something new about "Cera 412EP dynamics .cfg.... "
and new patch ?, I have translated the 1.0 to the 1.02, but that don't work very well (your "old" "dynamics .cfg....")  Bell_412_EP_v1.05.zip )) work's better, if looking away from ground level strange- behavior, and "hi fly" (by the way the best until now).

mos


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