Date   
Quickie Plans By Wladimir Kummer de Paula · #22812 ·
Quickie plans By Wladimir Kummer de Paula · #22657 ·
Wladimir's post By Wladimir Kummer de Paula · #22329 ·
The difficulty of high-lift devices for tandem wing aircraft (long) By Wladimir Kummer de Paula · #22319 ·
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