Performance/Endurance of Bf 109 G-6 during aerial combat - questions for experts!!!

[yogybär]

The discussion's topic "109G-6 takes off to hunt a Lightning" is totallly academic because a clean Lightning is faster than a clean 109G-6 at all altitudes.
==> If the Lightning wants to run away, it can easily do so. And if it wants to return later to fight, it could also .

That was part of 1943's reality - sad for Luftwaffe pilots, good for the Americans.

[Oberst]

But the OP is talking 1944.. So I like to think perhaps a G6/AS would make the P-38 life a bit more difficult.

[yogybär]

Originally Posted by Oberst

But the OP is talking 1944.. So I like to think perhaps a G6/AS would make the P-38 life a bit more difficult.

No. A G-6/AS is even slower then a standard G-6 at altitudes below VDH/FTH and also climbs slower there.

Originally Posted by Oberst

Others 109's however, will.

No. Even if we would have a 109K and the P-38 flies at altitide "0", then
- the 109K-4@1,3ata is slower then a late Lightning@100% between 0 and min. 9000feet
- the Lightning has a certain lead of say 2-3 minutes because the 109 has to warm up engine, take-off, go in the right direction and accelerate
2,5 minutes at 450km/h would be ca. 20km

Also, no pilot would use his MW-50 just to catch up with the enemy and then begin a fight just as he has to cool down his engine.

PS: If it calms you: I guess, a Lightning group sitting on its AF would also not try to catch up with a German fighter group passing - chance of finding them are just very low.

[Kutscha]

Scroll down and the fuel consumption of DB605 engines can be found.
http://mitglied.multimania.de/luftwa..._varianten.pdf

For example for the DB605A - C

At 5.7km, 2100rpm, 1.00ata fuel consumption is 250l/hr. At the same altitude but 2800rpm, 1.42ata, the consumption is 450l/hr.

[Oberst]

Originally Posted by yogybär

No. A G-6/AS is even slower then a standard G-6 at altitudes below VDH/FTH and also climbs slower there.

No. Even if we would have a 109K and the P-38 flies at altitide "0", then
- the 109K-4@1,3ata is slower then a late Lightning@100% between 0 and min. 9000feet
- the Lightning has a certain lead of say 2-3 minutes because the 109 has to warm up engine, take-off, go in the right direction and accelerate
2,5 minutes at 450km/h would be ca. 20km

Also, no pilot would use his MW-50 just to catch up with the enemy and then begin a fight just as he has to cool down his engine.

PS: If it calms you: I guess, a Lightning group sitting on its AF would also not try to catch up with a German fighter group passing - chance of finding them are just very low.

Thats some funny stuff!

Proof a G-6/AS is slower then a standard G-6? I'd like to see that if you don't mind.

And I don't understand how what will calm me? I'm not nervous.

[innocenti]

Originally Posted by Oberst

Thats some funny stuff!

Proof a G-6/AS is slower then a standard G-6? I'd like to see that if you don't mind.

the bigger supercharger needs more power from the crank at dense air.
innocenti

[Graham Boak]

However, the whole idea seems a little unreal. If the P-38s were just passing over, they'd be gone before the 109 unit could be scrambled and climb to altitude. The 109s would then have to travel at greater than optimum range speed in order to catch up. On the other hand, if the P-38s were attacking the base, they'd be at low-level and it would be suicidal for the German unit to attempt to take-off.

[drgondog]

Originally Posted by Graham Boak

However, the whole idea seems a little unreal. If the P-38s were just passing over, they'd be gone before the 109 unit could be scrambled and climb to altitude. The 109s would then have to travel at greater than optimum range speed in order to catch up. On the other hand, if the P-38s were attacking the base, they'd be at low-level and it would be suicidal for the German unit to attempt to take-off.

Not only true regarding the fuel consumption but depending on the P-38 speed, the 109s might never catch up.

[Oberst]

Originally Posted by drgondog

Not only true regarding the fuel consumption but depending on the P-38 speed, the 109s might never catch up.

Others 109's however, will.

[Oberst]

Well I changed the blower (supercharger) on my car from a 4-71 to a 6-71 and it still went faster at the expense of more horspower to turn the new supercharger. All at 200 meters above sea level (very dense air). Its the same priciple.