Cubs2jets wrote:
Other "visual aides" to distinguishing between the DC-2 and DC-3:
The DC-2 has the pitot masts located further forward under the nose.
The DC-2 cabin windows have rounded corners.
The DC-2 exhaust manifold is hidden under the skin of the nacelle.
The DC-3 has a dorsal fillet, the DC-2 does not.
The DC-3 has a much broader fin, although there are two variations of fins for the DC-2 (the original shape was found to be lacking in the directional stability department).
The rudder/fin demarcation line on the DC-2 is mostly vertical (with a small offset in the middle), on the DC-3 the center part of this line is vertical but it is angled both at the top and bottom.
On a DC-2, the tailwheel is mounted on a vertical post, on a DC-3 the whole assembly is slanted backwards.
AFAIK only the DC-2 had the nose mounted landing lights, but as has been mentioned, not all of them had these.
I think only the DC-3 ever had de-icing boots, but I'm not sure about this one.
Edit: just found this article but I don't know if it will be visible, it could be behind a paywall for some:
https://www.key.aero/article/what-diffe ... 2-and-dc-3
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