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-   -   the climbing rate gauge should have HUGE variations caused by atmosphere (http://forum.fulqrumpublishing.com/showthread.php?t=34504)

raaaid 09-21-2012 01:13 PM

the climbing rate gauge should have HUGE variations caused by atmosphere
 
if i were to build a climbing rate gauge i would do it base on vertical angle of heading and air speed

but as this was made by science people i bet they linked the altitude gauge based on atmospheric pressure and its gradient be the climbing rate

but now think that when your flying your going from high to low pressure though you dont change altitude

so my question: shouldnt realistic altitude gauges oscillate A LOT both climbing rate and height?

bolox 09-21-2012 01:29 PM

Try the manual for the original to see how it works
http://www.mediafire.com/download.php?awc18q83pf6w8q0

raaaid 09-21-2012 01:43 PM

thanks :)

from your link:

The K.B.B. Rate of Climb Indicator
Mark IB* is a simple means of measuring
the rate of change of atmospheric pressure
due to change in altitude of the
aircraft in which the instrument is fitted

as i predicted this scienpriests went for the obvious path

do you know what turbulences are?

sub and overpresures, they happen all the time so the climbing indicator goes crazy

the elemental way to fix this flaw is to link airspeed and angle of climb to have a precise climbing rate reading :)

edit:

its an edicated guess wflying really low the altitude gauge can even read negative :O

gabuzomeu 09-21-2012 01:48 PM

Absolutely,
except perhaps if IAS <>TAS and the air itself does move up and down very fast (let's say we could call this phenomenon.... wind?)
;-)

raaaid 09-21-2012 01:55 PM

oh but the vertical wind maybe a maxium of 20 kph while the horizoantal whcih measures the plane +-400 so the error is much less than with the flawed transformed barometer

Skoshi Tiger 09-21-2012 02:07 PM

You could use your radar altimeter? Might be more accurate but would be dependant on the terrain beneath you, or a GPS, or inertal navigation system, or one of those laser gyroscope dodads. It would just be a data gathering and programming issue.


Hmmmm! What did they teach in the BAK syllabus? "High to low lookout below?"

bolox 09-21-2012 02:14 PM

Quote:

the elemental way to fix this flaw is to link airspeed and angle of climb to have a precise climbing rate reading
However the ASI is part of the same Pitot Static system and thus prone to the same errors

http://www.myairlineflight.com/image...taticsyslg.jpg

raaaid 09-21-2012 02:31 PM

well but at least you agree with me that altitude needles in the game should oscilate and the climbing rate one a lot :)

5./JG27.Farber 09-21-2012 02:41 PM

Was there not German method where the needles didnt jump around? - electrical gauges or something? In clod V1 the red sides needle used to jump around but the reds whined till it was fixed. Even though as you say it was realistic........... So it was there but they took it out because a vocal part of the red side didnt want that realistic factor. ;)

jcenzano 09-21-2012 03:28 PM

Quote:

Originally Posted by raaaid (Post 462710)
well but at least you agree with me that altitude needles in the game should oscilate and the climbing rate one a lot :)

pitot-static VVI´s do not oscilate a lot, but they have LAG and they are somehow sluggish.

Quote:

Originally Posted by raaaid (Post 462710)
if i were to build a climbing rate gauge i would do it base on vertical angle of heading and air speed

and can you tell me how would you build a VVI gauge based on these with WWII technology???

because to get a "highly acurate" verical angle of climb/descent you need an INS or a pretty good attitude indicator and they did not have neither of these back then

on the other hand your "inquietudes científicas" generate pretty interesting posts :)


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