In early 1930, at Conley's Boat Yard on Town Creek in Oxford, MD, Klingel supervised the wooden construction of a replica of SPRAY, the rotund sloop (eventually rerigged a yawl) in which Joshua Slocum became the first man to sail solo around the world in 1898.
[2] With sailing companion W. Wallace Coleman (1907-1962), Klingel embarked from Maryland late November 1930 for a planned 18-month voyage to the West Indies.
Photo-essay about the Chesapeake Bay's Eastern Shore, with preface and photographs by Byron Parker Shurtleff (1929-1999), a professor of photography at the University of Delaware, and the poetic text by Klingel (1970,1973,1977).
[11] In August 1932 he co-authored with Gladwyn Kingsley Noble (1894–1940) the American Museum Novitates number 549 entitled "The Reptiles of Great Inagua Island, British West Indies.
[16] During World War II, Klingel worked for ARMCO Steel Corporation in Baltimore, where he rose to Chief of Metallurgy in the course of his career there.
Klingel built about a dozen steel sailboats in the 30' class, including Alvin "Al" Mason (1911-1995)-designed 31' sloops FREYA[17] in 1953 and PLEIADES in ?, plus two Colvin-designed 34' Saugeen Witches - ACHATES in 1974, and Marconi-ketch-rigged INNISFREE in 1975.
For retirement gunkholing the Chesapeake, in 1977 Klingel built for himself a 30' lateen-rigged steel scow motorsailer, GREEN HERON (nicknamed CREEK CRAWLER), the last boat launched (1978) from his yard.