In continuing to peruse images from the past, I came across this photo of the
1929 Curtis Wright Gulf Hawk, seen in a Florida museum in 1972. This is Serial
No. 1, powered by a 650HP Pratt & Whitney radial.
As a follow-up to Chris Barker's comments about relief tubes, this one shows
the simplicity of the systems in use in the early years. The small funnel
normally found beneath the pilot's seat is attached to a tube which terminates
in the throat of the venturi which can be seen beneath the fuselage, directly
under the cockpit. In flight, this arrangement guarantees that flow from the
funnel is always in the proper direction. ;-)
http://gallery.leica-users.org/v/OldNick/1929+Gulf+Hawk+in+1972.jpg.html
Comments and critiques welcomed.
Jim Nichols
Tullahoma, TN USA
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