Here are links to motorglider and soaring resources.
Soaring Associations
Touring Motor Gliders Association (TMGA) – https://www.motorgliders.org/
Arizona Soaring Association – http://www.asa-soaring.org/
Soaring Society of America – https://www.ssa.org
Soaring Weather/Flight Planning
Windy – https://www.windy.com/
Aircraft-related Sites
Diamond Aircraft – https://www.diamondaircraft.com/en/
Stemme – https://www.stemme.com/
Rotax Engines – https://www.flyrotax.com/home.html
Rotax Owners – https://www.rotax-owner.com/en/
Bruce’s Aircraft Covers – https://www.aircraftcovers.com/
MT-Propellers – https://www.mt-propeller.com/
Ximango – http://www.ximangousa.com/
Our Diamond Partner
Great Lakes Diamond Aircraft Sales – http://www.greatlakesdiamond.com/
Recommended Reading…
Glider Pilot’s Handbook of Aeronautical Knowledge by Russell Holtz – available at https://www.gliderbooks.com/
Glider Flying Handbook by the FAA – download from the FAA
Stick and Rudder by Wolfgang Langewiesche – available at Amazon
a comprehensive guide of piloting, including what they do, how they do it, and why
Transition to Gliders by Thomas Knauff – available at Amazon
for the power pilot; helps differentiate gliders from powered aircraft and helps adjust to the change
Glider Polars and Speed-to-Fly by Bob Wander – available at Amazon
defines and explains different glider concepts