Posted for "Eric M. Jones" <emjones@charter.net>:

Thought you might like to have a peek at the innards of a Curtis Commando
C-46 pitot tube from an article in Pop Mech March 1944. drawing by Stewart
Rouse.

www.periheliondesign.com/pitotc46.pdf

Now you never heard of a Curtis Commando with a clogged pitot have you?

Dig around my website too.
Eric M. Jones
www.PerihelionDesign.com
Email: emjones@charter.net