G Dale’s The Soaring Engine - Vol 1, 2, 3 and now Vol 4

Copies of G Dale's The soaring engine Vol 1 Ridge thermal flatland mountain , Vol 2 Wave and convergence Vol 3 Performance Flying and the new Vol 4 Airframes and Avionics
For more information go to http://www.thesoaringengine.co.uk
For sales go to http://www.navboys.com
WE WILL HAVE SOME COPIES AT OMARAMA FROM THE 5th December 2023 CONTACT ANNIE AT annlaylee@aol.com