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Finish off Britain before going to Russia. If you can't beat Britain, you'll never beat Russia....both short- and long-term, in terms of technology, startegy, tactics, armament, whole aicraft, logistics (this one will be a killer). There is no option 'we throw in the towel'
Changes can start from October of 1940 (rougly post BoB). War continues as historically, with Op. Barbarossa, attack at P.H. and SE Asia etc.
I'd 1st take out the trash. No Me 210/410 sorry saga, and no He 177 (I'm not sure if a removal of dive bomb requirement and switch to 4 individual engines buys anything, even though that should involve less risk). Dial down Bf 110 production, make night fighters version(s) of them exclusively. Use the DB 601s/605s saved to improve 1-engined fighter production, ship a number of those engines in Italy. The Fw 190 + DB 601N/E/605A can produce an useful long range fighter.
No Jumo 222, BMW stops at 801. Scour the French machine tools from engine companies and ship them to Germany/Austria/Bohemia. Recall the 2-stage supercharged engines from 1930s (Bristol, Jumo) and have engine companies + DLV to design 2-stage superchargers for DB 601/605, Jumo 211, BMW 801 (this could use an improved 1-stage S/C as it did historically, but too late).
Have companies submit proposals for jets - 1-engined fighter and 2-engined bomber/recon.
Fix the He 111 and forget the exotic bombers.
The Luftwaffe gave up on the 111 about the time the US went from the B-17D to the B-17E. Or about the time the British introduced the Wellington MK III (Hercules engines).
801s, better Jumos.Any particular proposals for upgrading the He 111? BMW 801 installation, coupled with better defensive firepower?
OTOH, a decent escort fighter should help a good deal.
The He111 was at the peak of its development almost from the start of the war. The He111P was little ifferent from the last versions and reling on a few extra guns would have made little if any difference. A whole new aircraft was needed and the main item lacking from the Luftwaffe bomber wise was a strategic bomber. The Do217 and Ju88 developments were worth while but the time of the He111 was over
Then if Britain can't be beaten, then the LW must focus on defeating Russia. That means more aircraft, fewer duplicate types, etc. Larger and more transport aircraft.Battle of Britain 2 in May 1941 will face the same issues as the year before without any of the advantages.
Still cannot invade and still have the same vulnerability as before.
I will say that war with UK is naval war and not air war and so there is no Luftwaffe answer to this question. And building a navy to rival the Royal Navy ain't happening.
Without a successful invasion or naval blockade then even if you had arial superiority over Kent again is meaningless if you don't do anything with it.
100,000, impossible. But had the Germans ramped up production in 1939 to 1942 they might have got close to 50,000 Bf 109s. This is the biggest error of the Luftwaffe and RLM (Reichsluftfahrtministerium) that they didn't go to war production levels until the after the war was essentially lost in 1942/3.WW2 was a numbers game.
How many Bf 109 Do we need? 100,000
No need. France and Norway both surrender in Jun. 1940, giving Germany both the oil resources it needs and a secure western border. By July 1940 Germany has already signed an armistice with the Vichy government in France. Germany need only declare a unilateral ceasefire, withdraw its troops from occupied France and request for armistice terms with Britain. If France is now officially "free" and Hitler can coerce Mussolini to accept the armistice and stay out of British and French North Africa, Churchill's nascent government won't survive such a move.Surrender?