Douglas A-20 Havoc

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The P-70 (the USAAF night fighter version of the A-20) may have had a decent chance of being successful if they would have put turbo-superchargers on them. Same thing for the Navy's Venturas. The P-61A and B also didn't have turbo-superchargers and it was finally put on for the P61-C. I don't understand why they didn't install the turbo-superchargers on earlier aircraft.
 

My reference indicate that the Douglas 7B (Prototype of the A-20) was originally a Northrop design which was finished by Heinemann.
 
Always struck me as an odd system. In the time it would take you to line up a bomber with the light you could've fired hundreds of rounds into it with the regular nose
 
Don't forget that the A-20 was an important part of the Soviet AF too, I think we sent about 3,000+ to Russia. I was on a trip to Russia last summer, I looked for any of the Bostons that were sent over there, but they don't keep lend-lease on display, only Russian stuff
 

The original P-70 was derived from the A-20 (without letter) that was to be the turbosupercharged high-altitude version of A-20 (vs A-20A medium altitude). The engines had cooling troubles, I don't know if they were deployed in combat zones.
The later versions P-70A and P-70B were derived from A-20C and G, and I believe that they didn't have turbosupercharged engines.
Any info about engine types of P-70A/B and early P-70?

Max
 

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