Douglas A 20, concluded - A-20 049.jpg (1/1)

On 13 Jun 2018 22:41:44 -0700,Miloch


In article , not my real pseudonym
says...

"Everybody look busy; this color film ain't cheap..."

...so what's the deal with the dude in the middle wearing the cowboy boots and
Levis?...looks like he's pushing the prop in the opposite direction of the guy
in the overalls.

FWIW
---
The Library of Congress
"Taken circa 1939"

-marley1027
Looks like they are rotating the propeller. That is commonly done with
radial engines prior to flight. The purpose it to prevent damage to
the engine from hydra locking, a condition caused by oil collecting in
the lower cylinders.
Dave

-curtissfortysix
And then they discovered why all the rods were getting bent and
failed. The starter with clutches pretty much cured that problem.
http://www.flickr.com/photos/library...ess/2179066177

Original

Title: Servicing [an] A-20 bomber, Langley Field, Va.
Creator: Palmer, Alfred T., photographer
Title from FSA or OWI agency caption.
Date Created/Published: 1942 July
Original: 7707x6271 TIF - 138MB

"Additional information about this photograph might be available
through the Flickr Commons project"
http://www.loc.gov/pictures/item/2017878472/