USAAF airbase - January 25th 2012 - Base dump and MD session :)

[Paul B]

The IPB would appear to rule them out as P-38 barrel sleeves:



Checking the Allison manuals now,
PB

[Paul B]

Durrrr.....

That drawing only shows the early type short blast tubes. The later ones were full-length and clamped to the gun at the rear.
Dives back into the mound-o-manuals...

PB

[Thanatos]

Hi Fella's,
The 5th image of the tubes shows the results of a resistance welding process as opposed to machine marks from rolling.Notice where the semi molten metal blasted past the plates edge.
Hope this is of help.
All the best

[Paul B]

Here we are, late-pattern P-38 .50 cal barrel sleeves/blast tubes.

Breech end has the same slot and double clamp as seen on Steve's examples:



Visible seam on the outside of these shiny examples:



All the best,
PB

[Paul B]

And the Allison V1710 induction system showing the mesh filter in place on top of the PD-12K series carb:



P-38s were fitted with Stromberg PD-12K series carbs, the B-17 one I posted upthread is a similar PD-12H.

All the best,
PB

[davejb]

Well thats cleared that up, and a fine piece of deductive work, i reckon Steve owes you a pint

[cornishboy]

Well done PB excellent work great to see the in situ shots

[ian_]

Great work Paul, that's an excellent photo as well!

[Steve T]

OH PB !!!!!!!!!!!

You are the best mate I owe you a PUB let alone a beer

Awesome find they turned out to be then Barrel sleeves from a P38 and a Carb mesh of an Allison engine. WAHOOOOOOOOOOO !!!!!!!!!



Steve T

[davejb]

I can just imagine the look on his face right now, those little chubby cheeks beaming with glee, dancing round his war room with those two blast tubes in his hand just like a morris dancer