Archie Sturmer
Riding a '38 Autocycle Deluxe
The serial number was double stamped, seven digits, no letters; represented to me as a Sears Elgin.A new member with my first post. McCauley # 1000 square tank.
What I see from the pictures thus far is mostly 5" head tubes with tall tanks, (or 3-1/2" room for same).
A few 5" head tube frames look to accommodate a more typical 2-1/2" tank (toolbox).
And there is also one 3.5" head tube (short frame), which looks to accommodate a more typical 2-1/2" tank.
No examples shown with short 3.5" head tube combined with the 3-1/2" tall tank (McCauley # 1001).
Are the different sizes concurrent, or was there a chronological order of their manufacture and offering?
I had assumed that the tall tanks (double drop bar) were the immediate predecessors to the Shelby streamlined long tanks.
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