Recent content by llemon

It works out to around 24000 usd in 41. Not far off the listed price for the P-40D.

~2.5RM to 1USD in 1941

Messerschmitt 109 1. fit "all-round" vision canopy as designed for the 209 with cut down rear fuselage. This was proposed for the F 2. New wing with twin spars, inward retracting gear and thinner section at root and tip. Such a wing was test flown on the v31. Make it square tipped, same...

1941 - 109f 50100-62200 RM 1945 - 109g/k 43700RM

This type did see service during WW2. Possibly used by multiple nations.

curtiss seahawk

Ohain's development office was literally a small shed out the way near the edge of Heinkels factory grounds. His staff on hand was a couple dozen individuals, several of whom were allocated as part time. But you really have to look at things in context. Both BMW and Junkers had been in talks...

The RLM didn't care about Heinkels jet engine program because they had already directed BMW and Junkers to develop turbojets. Heinkel at that time was an airframe maker with no experience in engines. Why invest big $ in a company that has a jet program consisting of a shack, one PHD a couple...

One advantage to the 109 style radiator is the wetted area from the ducts is much less than a belly scoop. Also the internal duct area is less despite having two radiator - this is because the expansion part of the duct is dependent on the height of the rad. And given that it is a much shorter...

I've read a paper that argues that a 109 type installation is superior to the 51. This is because the expansion area in front of the radiator is small enough that separation isnt an issue, duct area is minimized, and it can hit the needed expansion ratio with a minimum of length. It is...

Anyone have P-63E manuals?

Did they ever look at V-3240s for the 32? Were there any plans for a naval variant ala the PB4Y? It seems pretty logical to replace that aircraft with a B-32 derivative.

Relevant; http://www.cdvandt.org/BIOS-272.pdf