side web / steel cable / metal fittings / steel cables / welded steel tubing / usual solution / spar web / center web / retraction systems / tubular metal frames / external energy / all-metal gliders / favorable site / horizontal travel / /
Organization
Glider Chapter / /
Person
Dave Thurston / Alfred P. Scott / Steve Wilkinson / Jim Petty / Fernando Almeida / Frati / Silvio Bassi Milan / /
Position
author / pilot / with possible serious consequences / General / Soaring Official / /