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Warren Vs. Pratt Truss  
User currently offlineL_188 From , joined Dec 1969, posts, RR:
Posted (16 years 3 weeks 2 days 16 hours ago) and read 5887 times:

I guys I need some help trying to find something out.

We were disscussing some aircraft structures before my sheetmetal class a couple of days ago and none of of could remember which one was a Pratt Truss and which one was a Warren truss.

One uses wire on the diagonal to stiffen the structure and the other uses tube metal. The question is which one is which. I know that the old Eaglerock biplanes used a Pratt truss for it's fuselauge but I can't remember it was wire braced or not.

Any help is much appreciated.

1 replies: All unread, jump to last
User currently offlineDL1011 From United States of America, joined May 1999, 386 posts, RR: 2
Reply 1, posted (16 years 3 weeks 2 days 15 hours ago) and read 5876 times:

Guess I wasn't paying attention in school that day because I can't even remember hearing about Warren and Pratt trusses! According to my old airframe book, a Warren truss uses the tubes on the diagonal and the Pratt uses wire.

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