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[Ze-Jamz]

Thanks for that, that may explain the slight difference I noticed at level optimum flight of around 5-7kph..

.with that much difference though you would expect the difference is speed to be more no?

[Jugdriver]

A Spit II would be over 6000 Lbs. The numbers I quoted in my previous post are for a +9LBS boosted Spit II. I think the FM for the Spit II might be a bit confused.. IMO the Spit I and Hurr I in the game are modeled with the +6 ¼LBS boost in mind and the Spit II is modeled with the + 12LBS Boost and 100 octane fuel. Combine that with some favorable numbers and a (little) less than historical performance in the 109 E and there is a significant gap in the performance of the two planes and how they should be modeled. One thing to keep in mind though, even if these aircraft are modeled correctly the Spit II +12LBS will be a deadly opponent for a 109 E 1, 3, 4.

[Ze-Jamz]

Originally Posted by Jugdriver

A Spit II would be over 6000 Lbs. The numbers I quoted in my previous post are for a +9LBS boosted Spit II. I think the FM for the Spit II might be a bit confused.. IMO the Spit I and Hurr I in the game are modeled with the +6 ¼LBS boost in mind and the Spit II is modeled with the + 12LBS Boost and 100 octane fuel. Combine that with some favorable numbers and a (little) less than historical performance in the 109 E and there is a significant gap in the performance of the two planes and how they should be modeled. One thing to keep in mind though, even if these aircraft are modeled correctly the Spit II +12LBS will be a deadly opponent for a 109 E 1, 3, 4.

Completely agree and I wouldn't want it not being used..it will make for alot of good battles but as long as both AC are modelled correctly and as near to what we think to be correct as possible..

I understand the whole RL argument gets a bit stupid as we don't know for sure but on all accounts I've read, watched etc you dont hear stories of the BoB spitty being that much better as is the mk2 against the 109 in game.

Maybe if the 109 had that Lil extra Kph it's supposed to have and a auto prop things would be better matched

[Ze-Jamz]

Originally Posted by cheesehawk

I'm getting around 350MPH for the Spit II at about 1000 ft, a good bit faster than any 109s as this translates to 563kph. I can pull off around 450 kph in a E-3. Significant advantage.

Cheese what's the RL top speed for the mk2 n 109e4 then? because even if they give the 109 it's correct documented (?) speed the Spit2 is still over modelled then?..

I haven't done a comparison since the latest patch

[Jugdriver]

Originally Posted by cheesehawk

I'm getting around 350MPH for the Spit II at about 1000 ft, a good bit faster than any 109s as this translates to 563kph. I can pull off around 450 kph in a E-3. Significant advantage.

WOW! That is flat out hauling, and no where near the speed of the Spit II at 1000 ft. LOL That would be at least 50 MPH faster than RL.

JD
AKA_MattE

[Das Attorney]

Originally Posted by Jugdriver

A Spit II would be over 6000 Lbs. The numbers I quoted in my previous post are for a +9LBS boosted Spit II. I think the FM for the Spit II might be a bit confused.. IMO the Spit I and Hurr I in the game are modeled with the +6 ¼LBS boost in mind and the Spit II is modeled with the + 12LBS Boost and 100 octane fuel. Combine that with some favorable numbers and a (little) less than historical performance in the 109 E and there is a significant gap in the performance of the two planes and how they should be modeled. One thing to keep in mind though, even if these aircraft are modeled correctly the Spit II +12LBS will be a deadly opponent for a 109 E 1, 3, 4.

The Mark I and Ia are modelled up to 6.25 lbs/sq in. Boost is 6.252 lbs/sq in. Yes, that's an increase of 0.02 lbs/sq in when boost is engaged.

Check the MerlinIII entry in the engine.fmd file:

Supercharger SingleStageSupercharger Efficiency 0.5 LimiterInput Manifold NominalPressure +6.25 lbsqin ContinuousPressure +4.5 lbsqin WEPPressure +6.252 lbsqin NominalAltitude 16250 feet
Valvetrain Generic SlowRunningEfficiency 0.9
FuelPump Pushrod NominalPressure 9 lbsqin at 500 RPM
Carburettor RollsRoyceFloat DiffuserBore 6.1 cm OrificeSlowFast 1.0 sec Heater AutoEngineOil Altimetric DensityRatio Dresser BoostDriven Input +4.5 lbsqin to +6.25 lbsqin Output 1.0 to 1.01

The Spit IIa has +9 lbs/sq in boost.

From the MerlinXII entry:

Supercharger SingleStageSupercharger Efficiency 0.5 LimiterInput Manifold NominalPressure +6.25 lbsqin ContinuousPressure +4.5 lbsqin WEPPressure +9.0 lbsqin NominalAltitude 13500 feet
Valvetrain Generic SlowRunningEfficiency 0.9
FuelPump Pushrod NominalPressure 9 lbsqin at 500 RPM
Carburettor RollsRoyceFloat DiffuserBore 6.1 cm OrificeSlowFast 1.0 sec Heater AutoEngineOil Altimetric DensityRatio Dresser BoostDriven Input +4.5 lbsqin to +6.25 lbsqin Output 1.0 to 1.01

Spit I/Ia is way too slow, Me109 should be faster, and Spit IIa is much too fast. I modded in a +12lbs/sq in boost Spitfire IIa and it's totally insane. I'd like to see stuff like that in the game properly, but only if they sort out the existing planes first.

[Das Attorney]

Here's a little video for you

It was pre-beta, so behaviour might have changed since. It gives it another 20-25 mph or so on top of the pedestrian 250 mph the Ia can do normally. It's pretty good, but not too overbearing. One of the main problems though is that it won't overheat as long as the rad is fully open. The rad should work a bit more efficiently at speed if partially closed whereas the opposite seems true, so I'm not sure if they're modelling airflow and overheating correctly.

Basically, you can fly around forever on max boost as long as the rad is open. Pilots were under strict instructions not to overboost for more than 5 mins IRL IIRC due to wear and tear. At any rate, the fully open rad is too efficient IMO.

The boost is engaged at 50 secs in the vid.

http://www.youtube.com/watch?v=0veG5...layer_embedded

SLIGHTLY OFFTOPIC: There is an entry for reliability in the engine setup for all of the engines:

Reliability Lifetime 100 h FailureProbability 0.0

Be nice if they could do something with that in the future to simulate old/badly maintained engines.

[Jugdriver]

Originally Posted by Das Attorney

The Spit IIa has +9 lbs/sq in boost.

I thought that was the case, but I could not figure out why Cheesehawk was saying the Spit II could do 330-350MPH, I figured they had modeled the 100 Octane fuel and gave it some more on top of that. So all of the RAF aircraft right now a modeled with 87 Octane fuel, that is strange.

Cheesehawk, were you able to get 330-350MPH out of the Spit II before the patch? To be honest I have not installed the patch, I have injured my right eye and I have been told not to stress it (which means no flying) but I could not help myself and took the Spit II out pre patch and could only get 310MPH out of her on the deck.

JD
AKA_MattE

[CaptainDoggles]

So has the Spit 2 been removed from the server yet?

[trumps]

NO, it's still there. i just installed the patch and got the shock of my life after i took off in my E1, i climbed to about 3000m over the french coast, spiralling up at 250kph, saw a contact well below me, more than 1000m below, and watched in amazement as he spiralled up and got bigger and bigger, closer and closer until he was ontop of me, rather quickly i might add! i cranked up the pitch pushed the nose down and went into a screaming dive with the speedo bouncing at around 700kph indicated, after i got down on the deck and the speed bled back to about 500kph i checked behind me and there was the spit. if i cant outclimb, or out dive them there is nothing left for the 109 at the moment. i might as well go and fly the G-50, it is as pointless!
love the sound and new colours.

Craig