Sonja's Video Links

To access the videos, paste the link in a Youtube page.


Small Airplane Design Tutorials

Documentaries, 2020

Link Tutorial 1  https://youtu.be/NzMGNiY47IY   Introduction, wing, stall speed

Link Tutorial 2  https://youtu.be/6RTcCFIlm0k    Preliminary design spreadsheet, performance

Link Tutorial 3  https://youtu.be/6PAOrBe0tjQ    Fuselage, cg, W&B

Link Tutorial 4  https://youtu.be/WX4PsqikxBA   Fuselage mass distribution, cg calculation

Link Tutorial 5  https://youtu.be/qK2UxLwFMiE  Horizontal tail

Link Tutorial 6  https://youtu.be/6C0HS8CeiyU   Vertical tail

Link Tutorial 7  https://youtu.be/A9jCb6WlGks   Control surfaces elevator, rudder

Link Tutorial 8  https://youtu.be/2j6P4qXkAtk    Control surfaces aileron

Link Tutorial 9  https://youtu.be/70vIrs0JyO8    Flaps

Link Tutorial 10  https://youtu.be/4MK4PRStZtM  Wing planform, lift distribution, induced drag

Link Tutorial 11  https://youtu.be/mm0cXnXkiBI  Airfoil selection

Link Tutorial 12 https://youtu.be/5enLpAb7lq0    Aerodynamic center, MAC, longitudinal stability

Link Tutorial 13 https://youtu.be/shGXrv-zg_U    Engine and propeller installation

Link Tutorial 14 https://youtu.be/b5Q2t3fKrdA    Flutter, description

Link Tutorial 15 https://youtu.be/g4nW1jNSpv8  Flutter, Ground vibration test

Link Tutorial 16 https://youtu.be/ArJaz3_CE5A   Loads

Link Tutorial 17 https://youtu.be/Waed9Ok5VSY  Structure

Link Tutorial 18 https://youtu.be/zwj3WPUbdNM  Drag reduction 1

Link Tutorial 19 https://youtu.be/4utODFzejlY  Drag reduction 2

Note: a couple of the links may not work, which is a Youtube software problem. All videos come up if you search for my name on Youtube.

Pulsar Modifications

Interview with Sonja Englert at a Pulsar Fly-In


Building Caro 1

ESA (Experimental Soaring Association) posted their recording of my presentation about building my motorglider here:


California Flying

Documentary, 2017, duration 8:30 minutes

Scenes from various trips in Caro 1

Link:  https://youtu.be/OeWio4-9x98


Caro 1 Flight to Oshkosh

Documentary, 2016, duration 5:50 minutes

Link: https://youtu.be/gE3ag6ncOTs


Caro 1 First Flight

Documentary, 2015, duration 5:20 minutes

Link: https://youtu.be/JNflcCR2MSw


Sonjas Oshkosh 2015

Documentary, 2015, duration 28 minutes

Short version duration 14:20 minutes  http://youtu.be/z5Wz9Lb_ozo


Motorglider Flying

Documentary, 2014, duration 6:11 minutes



AQUILA Turbo First Flight

Documentary, duration 3:46 min



Formation Flight Training

Documentary, 2013, duration 11:24 min



Visions of Central Oregon

Documentary, 2013, duration 8 min



Cascade Flight

2012 Documentary, Duration: 8 minutes