I have a propeller that is 102 inches and has the lettters and numbers as follow DES. H-561.X.R.H I M NOT SURE IF THE TWO H'S COULD BE TWO II INSTEAD OF AGAIN H IT ALSO HAS ON IT NO. 12552 LET ME KNOW IF YOU COULD WHAT IT CAME FROM AND IF IT IS WORTH SOMETHING
Lewis Westfall, e-mail, 22.07.2014 16:09
How did the Curtiss 18T-2 reach almost 35,000 feet without a supercharger?