B-25 weapons thread

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Morning Yves,

You might find this interesting to go with the picture.

 
I know I'm late to the party (and admittedly have spent more time lurking here than actually contributing - hopefully that will change) but does it look like the housing aft of the rear boarding ladder actually holds a 45-degree mirror such that the camera is actually within the plane, facing downward, but the mirror would allow the camera to take pictures to the rear? As I understand it, the 38th and 345th used K-21s for taking these rear-facing strike photos and I don't see how a K-21 would fit into that housing.
 

Could be, Camera mountings seem to vary just as much as weapons on the B-25. There are several different types scattered in this thread. I hope Yves comes on, been trying to get ahold him but no dice so far.

Below is info from the AN 01-60GB-1 Pilots Flight Instuction manual for the B-25C and D series and Navy Models PBJ-1C and PBJ-1D of another mount that I dont think we have talked about yet here.

 
Ah, yes, this camera mount. I've seen that same diagram and photo. My impression is that this mount, being the standard camera mount for the C/D, was used by combat mapping squadrons before the F-10 was developed. The 9th PRS had a B-25 that they used for photo mapping that I believe used this configuration, as did the early photo reconnaissance B-25s used by 681 Sqn RAF early in the war in Burma (see the photo from Eyes for the Phoenix below). That full mount and supporting structure would seem to be a lot of extra weight and would take up a lot of extra space for a combat plane IMHO, especially when the 38th and 345th BGs liked to mount guns out of the oblique camera windows. Looking at that photo that I was referring to with the potential mirror, it looks like the camera apparatus was mounted on the ventral camera window cover. I wonder if a K-21 could have been mounted vertically in a field-created camera mount positioned similarly to the one in Figure 44 above.
 

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Morning Chris,

Not sure on the mirror but makes sense. As far as the camera goes in the C/D it goes back to the configuration of the B-25B model. You may find these interesting.

 
Morning Chris,

Not sure on the mirror but makes sense. As far as the camera goes in the C/D it goes back to the configuration of the B-25B model. You may find these interesting.

View attachment 739546View attachment 739547View attachment 739548
Sorry for the long delay in responding. Thanks for posting these! I'm familiar with these but after seeing them again, I can see how it would be relatively easy to include the vertical camera on missions, especially a smaller strike camera, in that rear position. Assuming that's to scale, it wouldn't take up much space. Looking through a number of the 12th BG mission reports, anywhere from 1-3 planes would photograph any given mission. As I recall, there is a cover for the camera window when it was not being used which is probably why you rarely see the camera window exposed on in-flight photos. That and I suppose that many of the in-flight photos may have been taken from the photo plane to begin with.
 
Been a while since I posted something here, I found these two pictures on the web and found it interesting. I have seen when both blister packs are removed and patched over and of course both installed but first I have seen of them with one patched over and the other one installled. Two different aircraft.

 
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