This chronicles the build of the Dos E, 2 meter sail plane available through
www.northplanes.com for which I am importing these models.
Specifications
Wingspan: 2000mm
Length: 1125mm
Wing Area: 30.5dm^2
Airfoil: AG35-36-37
Airframe Weight: 330g
Flying Weight: 630~650g
The Dos E is a light weight, all composite model great for ALES or other thermal competition.
It comes as a kit, requiring around 10-12 hrs for completion. The wing is a 2 piece unit that requires the user to join it. To aid in assembly, an injection molded....uh mold, is included to clamp the wing parts together at the correct angle. The fin comes installed to the boom. Horizontal tail bolts in place, making transport easy, and if you ever need to replace it.
Before joining the wings, I pre-ran servo wire through the lightweight tube inside the wings. Since I dislike splices, I directly soldered these to the servo board, in this case, Hitec HS-45s. I left a little slack so I could wait until the servos had their plugs reinstalled to center them, and finally glue them into the wing.
For joining the wings, I did it in 2 steps for my own sanity. First use 30 minute epoxy to glue the two panels and wing bolt tubes together. Let it all cure. After that cures, I then remove the plastic mold, apply the included carbon cloth with 30 minute epoxy, and re-clamp. I would suggest waxing the plastic mold to aid in releasing it.
After joining the wings, I installed a Deans 4-pin connector for
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