Thread: New PC's FFB
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Old April 9th 12, 06:09 PM posted to rec.autos.simulators
FolkGT
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Posts: 36
Default New PC's FFB

On Fri, 6 Apr 2012 16:08:04 +0200, "Mario Petrinovic"
> wrote:

>FolkGT:
>Mario Petrinovic:
>>Mario Petrinovic:
>> Also, while previously I had FOV at 61, now it is clear that it is
>>62. It makes difference, and it really is a shame that you cannot adjust
>>this to a finer degree in iRacing.
>>-------------------------
>>
>> This, actually, means that the distance from my eyes to the edge of
>>the table where I am attaching my wheel isn't 44 cm, but it is 42.5 cm.

>
>Isn't the correct procedure to measure the distance between your eyes and
>the screen?
>--------------------------------
>
> You would need four hands and two bodies to do this. And, at the
>end, WHY would you do this? Well, to find the correct FOV, of course. And
>what if, after all this measuring you make some mistake in measurements?
>Then you will have WRONG FOV.


I sit pretty close to my screen. It only took one body and a tape
measure.


> The sole and whole reason to measure this is to find the RIGHT FOV.
>I have a metod to see what FOV is right the other way. The CORRECT way. You
>see, WHY would you need the correct FOV in the first place? Well, to
>correctly set things up.
> 99% of people CLAIM that FOV doesn't make a difference. They are
>basing their claim on what? Mostly on their dreams. People who claime this,
>either never tried different FOVs, or they have their FFB so badly set up
>that EVERY FOV gives wrong result.
> Well, for me, the sole reason to adjust FOV is to make FFB work
>correctly. And, isn't the ONLY "correct" way to see if FFB works correctly,
>well, to see if it works correctly. Simple as it can be. Well, my FFB works
>correctly (-tliest) with FOV of 62. I know that this is the correct FOV, and
>there is no need for me that I announce the right distance publicly so that
>I can help myself. I do this so that I can help others.
> So, did you try 42.5 cm? Did it work better than what you previously
>had?


If it feels good to you, that's all that really matters.

I was basing my question to you on the information found in the .PDF
document you can download from he

http://www.silverball-magic.com/my-s..._Explained.pdf

On page 10 it give this formula to determine FOV:

2 * arctan (0.5 * w / d)

w = width of screen
d = distance from your eyes to the screen.

To be honest, if I use that formula for my setup it gives an FOV that I
feel is too narrow. So, whatever works for you is good. I was just
curious how you came up with the idea of measuring from your eyes to the
wheel, instead of from your eyes to the screen. The distance from your
eyes to the wheel in theory should never change once you have your setup
in place, but the distance between your eyes and the screen can be
drastically different, depending on whether you're using a 24" monitor or
a 54" TV screen.
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