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Spitfire F Mk IX (1942 - Channel) - Printable Version

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+---- Thread: Spitfire F Mk IX (1942 - Channel) (/showthread.php?tid=55949)

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- I/JG27_Waggel - 24.11.2008

[Image: ixti3.jpg]

There she is :-)

The thaught to compare the Spit IX with the Vb was very good. Only the using of olegs data was wrong because of the poor performance in the game. When you take the historical performance of the western front Vb it works. You automatical get the the perdormance of the spit IX. The characteristic of this performace graph is nearly the same like the later IX versions used in game.

At lower regions up to 3000m the 190 is faster than the IX. At 3000 meters the 190 has a performance whole caused by the change of the supercharger.

Between 3000 and 5500 meters both planes have the same speed. I some regions the IX is even faster than the 190.

Between 5500 and 8000 meters the 190 again gets faster but at round about 8000 and above the spit IX is the queen of speed.

On normal DF servers the planes mostly fly very low. But when you go on a FR server with flying experts these two planes will be part of a nice 3D chess game. Every plane has its own advantages and disadvantages and it is up to the pilot to make the best of it.


- Redcanuck - 25.11.2008

Excellent news Waggel!

I was beginning to get worried about this spits future after your last post.


- Davew - 14.12.2008

Any news?


- GBrutus - 14.12.2008

The reworked parts are basically done. I'm having a few slight problems with the mesh converter as some meshes work fine while others are giving me a bit of grief. Will hopefully have it sorted soonish.


- Davew - 15.12.2008

Smile

Thanks for that.

Love the work on the broad chord spitfire rudder as well btw...


- mandrill7 - 16.12.2008

Based on the recent discussions about the under-powered Spit V's in the game, will it be possible for us to get modded Hurris and Spit V's at a historically authentic Kanalfront boost pressure and performance? The fact that the a/c is rated at a different boost figure means that it is entitled to a new slot.

BTW, does the tendency for the Spit V to quickly overheat have anything to do with the "Russian fuel" issue in Oleg's modelling?


- Kwiatek - 16.12.2008

[quote="totalspoon"]I/JG27_Waggel, you can't use in game Vb speeds as a basis for calculating the new F IX's speeds are they're not correct.

Both the Spitfire Vb and Hurricane I & II were placed in the game to represent aircraft flying with the Russians (or Finland for Hurricane I) on the early Eastern Front. These aircraft due to lower quality fuel used lower boost ratings for their engines and hence had lower speeds than their western front counterparts.

[quote]When Rolls Royce designed the Merlin engine, it deliberately went against the world trend and used a carburetor instead of fuel injection. While fuel injection provides and easy and precise method of providing the correct amount of fuel for powerful engines it looses the charge cooling effect of a carburetor which added up to 300hp to Merlin engines. Rolls Royce believed that by careful engineering it could work out all the carburetors disadvantages while retaining all of its advantages. With the SU carburetors of 1943, they largely achieved this.

Unlike a WW2 supercharger where the fuel is squirted directly into the hot and turbulent eye of the supercharger impellor, the fuel in a carburetor is vaporized in the passing air flow. For this to occur successfully at high altitudes or high boosts, it is extremely important that a high volatility fuel is used. For the English, the world leaders in aviation fuels, this wasn


- Kwiatek - 16.12.2008

I find also in original manual (pilot notes) for Spitfire MK V with Merlin 45,46,50,50M

Take off rating - +12 lbs

1hour rating - +9lbs

5 min rating - +16 lbs
----------------- +18lbs - for engines with "M" only

And i didnt saw before these test :

http://www.spitfireperformance.com/aa878.html

So i think now that we really need Spitfire MK V B and C with Merlin 45 +16 lbs !!!
Maby it would be good balance if we have Spitfire MK B with +12lbs and later model VC with +16lbs pefromance. It would be nice to see these birds at the incoming chanel maps!


- Carnagexxx - 25.12.2008

Any news here ?

My 190 A3 feels lonly sometimes and want to have something to play with :twisted:


- Guest - 26.12.2008

I think this model of one of the most widely read spitfire that were manufactured
where I think this aircraft for download? or are still doing it?


- vanir - 26.12.2008

@ Totalspoon.

Thanks mate for clearing up a bunch of stuff for me there. I really appreciate it, thanks for taking the time.

I wish there was more of these kind of detailed explanations at these forums.


- Sobilak - 27.12.2008

Any news?


- Redcanuck - 27.12.2008

Gbrutus is making progress and expects to be able to post some screenshots soon.


- GBrutus - 29.12.2008

Ok, finally an update of sorts but not quite the one I had intended. In an act of sheer stupidity I decided to do a fresh install of windows and promptly lost much of my work. Yeah, I know... :oops:

On the plus side I made a fresh start tonight and in some ways I've a much better idea how to go about things. Now that Fatduck's 3ds exporter has been made available it's far easier and quicker to get new meshes into the game. Anyway, this time I'm going to do things properly and give regular updates on my progress.

The first shot shows the new cannon blister on the port wing (I've left the starboard blister as stock for comparison). It's hard to see in this shot but the gear blister has been removed also. I need to tidy up the smoothing groups and mapping and bear in mind that there will be a new skin for this model too.

(The link is inoperative)

The next shots show the new carburettor intake...

(The link is inoperative)
(The link is inoperative)

That's it for now, chaps. More to follow soon.


- I/JG27_Waggel - 30.12.2008

Very good 3D work GBrutus. Looks like little changes in the template for the skin but this ist no problem.