B-25G and B-25H information on spent 75mm cartridges - through hatch or port?

[kellyfamille]

Looking at the operation of the 75mm in both the B-25G and B-25H how did the gunner remove or secure the spent casings? Were they ejecetd through a port or secured somehow in the ammo rack or other container?
Any help on this would be great.
Kellyfamille

 

[Micdrow]

Looking at the operation of the 75mm in both the B-25G and B-25H how did the gunner remove or secure the spent casings? Were they ejecetd through a port or secured somehow in the ammo rack or other container?
Any help on this would be great.
Kellyfamille

Orginially the spent cartriges where ejected out of the plane but after a cartrige hit another B-25 the practice was discontinued and spent cartriges where put back in the rack and unloaded after the plane has landed. Below picture of the ejection system from the book B-25 Mitchell The Magnificent Medium by N.L. Avery

Cannon Ammunition Storage Rack
A retainer in the upper rack held the noses of the rounds, and a selective lock in the lower of the rack secured their bases. The retainers could be inserted into three positions to accommodate the different lengths of the armor piercing, high explosive and smoke shells. The rack is capable of holding 21 shells. Used shell casings are returned to the rack once fired and disposed of later on the ground.

Pictures below of case

 

[Micdrow]

3 pages from the Flight manual of a B-25G on how to fire the 75mm cannon. I think that answers all your questions

Have a great day

Paul

 

[kellyfamille]

Orginially the spent cartriges where ejected out of the plane but after a cartrige hit another B-25 the practice was discontinued and spent cartriges where put back in the rack and unloaded after the plane has landed. Below picture of the ejection system from the book B-25 Mitchell The Magnificent Medium by N.L. Avery

View attachment 784699

Cannon Ammunition Storage Rack
A retainer in the upper rack held the noses of the rounds, and a selective lock in the lower of the rack secured their bases. The retainers could be inserted into three positions to accommodate the different lengths of the armor piercing, high explosive and smoke shells. The rack is capable of holding 21 shells. Used shell casings are returned to the rack once fired and disposed of later on the ground.

Pictures below of case

View attachment 784702

View attachment 784703

Micdrow thanks very much for this info.

 

[kellyfamille]

3 pages from the Flight manual of a B-25G on how to fire the 75mm cannon. I think that answers all your questions

Have a great day

Paul

View attachment 784705View attachment 784706View attachment 784707

Paul
yes thanks this answers my query. Just FYI this comes about due to a surface find of a 75mm cartridge (M-18) near the north coast of Papua New Guinea (Buna-Gona area). The only reasonable explanation seems to be it was from a B-25.
Best Regards

 

[Micdrow]

Paul
yes thanks this answers my query. Just FYI this comes about due to a surface find of a 75mm cartridge (M-18) near the north coast of Papua New Guinea (Buna-Gona area). The only reasonable explanation seems to be it was from a B-25.
Best Regards

Morning,

Could have been thrown over the side of a B-25 that was damaged in combat or mechanical failure. It was comnon place to throw out everything possible to make it back to base once out of the combat area to keep the aircraft as long as possible.

Love to see some photographs of the casing.

All the best

Paul