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-   -   Proper Gunsight/Convergence Calibration (http://forum.fulqrumpublishing.com/showthread.php?t=27235)

Whiski 10-19-2011 02:16 PM

Proper Gunsight/Convergence Calibration
 
Hi folks. I read in a post a while back that calibrating your gun sight with the convergence of your guns is doubled...ie: convergence = 170 gunsight calibration = 340 yards.

Is this correct, once in cockpit you set your gun sight to double the convergence distance?

Whiskey

ATAG_Dutch 10-19-2011 02:48 PM

'Fixed distance input error in gunsight for Spitfire and Hurricane;' - Is in the 'read me', but it still doesn't seem to coordinate for me.:confused:

Hellbender 10-19-2011 02:50 PM

Wow, that would be new to me. Remember that the convergence setting in your plane´s loadout is set in meters, meaning that you have to convert the settings from meters to yards used by your gunsight. However, I haven´t read anything concerning doubling the yards of the convergence in your gunsight.

AMVI_Superblu 10-19-2011 02:51 PM

The answer is: Almoust correct :)
1 m = 1.093611 yd

the guns convergence (as far as i know) is in meters, while gunsight are in meters for Axis planes and Yards for Allied.

Keep in mind that your gun convergence is splitted in 2:

Horizontal and Vertical

Horizontal is the point where bullets will reach a single point, while Vertical should be the distance where the guns will hit the point at the center of gunsight (if it has been correctly set obviously).

@All:
If i'm wrong please correct me :)

Trooper117 10-19-2011 03:02 PM

You have to be joking.. for the spit and hurri, are you saying they have accurately modelled the proceedure for adjusting your gunsight (which is great), but they have neglected to allow for the fact that historically, all adjustment was in yards, but they have only made any adjustment in metres? Not only that, but its wrong and we have to double the distance to get the correct result.. but then convert it all into yards from metres!!
lol!.. I can't believe they would make it that complicated for the users.. (what am I saying?.. of course they would.. they have been making gaffs like that since IL2)..
I'll shut up now.. I'm just starting to sound like a whining brat!

Scavenger 10-19-2011 03:14 PM

A convergence is one thing, and gunsight tweaking is another. de-facto gunsight is a range meter. For example the Bf-109 has 32 ft wingspan. Thus we adjust lower ring to 32. Then we set upper ring on 300 yards.


When wingtips of Bf-109 will touch inner ends of horizontal lines it will be 300 yards range.

And a convergence is another messed story. Vertical means horizontal in game and vice versa.

AMVI_Superblu 10-19-2011 03:32 PM

Quote:

Originally Posted by Scavenger (Post 351518)
And a convergence is another messed story. Vertical means horizontal in game and vice versa.

Are they really reversed ?
Didn't notice that because i always use the same for vertical and horizontal !
Bad joke from devs :(

swiss 10-19-2011 04:15 PM

I just checked - THEY ARE! :(


vertical->lateral
horizontal-> vertical

S.o. post as bug report please.


edit: factory specs for 109C3:
http://www.uploadarea.de/upload/wakn...fovutms4n.html

Scavenger 10-19-2011 06:33 PM

devs are informed about convergence bug, but... ya know ;-)

IvanK 10-19-2011 10:49 PM

Quote:

Originally Posted by swiss (Post 351561)
I just checked - THEY ARE! :(


vertical->lateral
horizontal-> vertical

S.o. post as bug report please.


edit: factory specs for 109C3:
http://www.uploadarea.de/upload/wakn...fovutms4n.html

How did you check ?

swiss 10-19-2011 11:00 PM

Quote:

Originally Posted by IvanK (Post 351645)
How did you check ?

tried max settings, visual check. ;)

Skoshi Tiger 10-20-2011 09:30 AM

Adjusting the gunsight for distance does nothing to alter the convergence of the guns.

It just moves the horizontal bars displayed on the gun sight closer or further apart. It does not alter the aim vertically in any way.

In sim as in real life, Changing the distance on the sight does not alter the bullet path on the screen.

To change convergence you need to get a set of spanners and alter the angles that the guns are mounted in the wings. Not practical in flight.

It is a useful way to judge distance to target. To calculate the distance you are from target. Set the wing span on the sight, agjust the distance until the gap meets the wingspan of the target object , then read the distance from the scale. Make any adjustments to your aim and understand that your not firing at convergence distance.


Cheers

PeterPanPan 10-20-2011 11:26 AM

For anyone who hasn't seen it, I can highly recommend Dart's fantastic video tutorials made originally for IL2 1946.

Using the gun sight to determine range

http://www.darts-page.com/movies/Ran...onvergence.zip

PPP

Robo. 10-20-2011 12:13 PM

Quote:

Originally Posted by Skoshi Tiger (Post 351795)
Adjusting the gunsight for distance does nothing to alter the convergence of the guns.

It just moves the horizontal bars displayed on the gun sight closer or further apart. It does not alter the aim vertically in any way.

In sim as in real life, Changing the distance on the sight does not alter the bullet path on the screen.

To change convergence you need to get a set of spanners and alter the angles that the guns are mounted in the wings. Not practical in flight.

It is a useful way to judge distance to target. To calculate the distance you are from target. Set the wing span on the sight, agjust the distance until the gap meets the wingspan of the target object , then read the distance from the scale. Make any adjustments to your aim and understand that your not firing at convergence distance.

Cheers

:o Convergence is one thing and setting your gyro is another thing. This thread is about:

http://airwarfare.com/sow/index.php?...ery&Itemid=159

and about how the 'range to target' bit changed in last patches e.g. you don't enter the convergence distance times two anymore. No one ever assumed you would adjust your brownings in flight :-P

GF_Mastiff 10-22-2011 11:46 PM

hey mods can we get a sticky on this?

Skoshi Tiger 10-23-2011 03:43 AM

Quote:

Originally Posted by Robo. (Post 351848)
:o Convergence is one thing and setting your gyro is another thing. This thread is about:

http://airwarfare.com/sow/index.php?...ery&Itemid=159

and about how the 'range to target' bit changed in last patches e.g. you don't enter the convergence distance times two anymore. No one ever assumed you would adjust your brownings in flight :-P

If you don't have to multiply it by two then its working right.

Here the sights are set to 32 feet and 200yrds

http://i1042.photobucket.com/albums/...htpicture2.jpg

I can't remember it working anyother way, right back to IL2. Maybe the guy in your link had his sights set to 100m?

http://www.youtube.com/watch?v=ghtpgXn5K-0

cheers!


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