Disaster with the Twin Boom Biplane Easystar

To read the complete build-log of the Twin Boom Biplane Easystar, Click here.

Today I decided to maiden the TBBEZ*. Unfortunately the wife was away and all my friends were at work so I had nobody to film it for me. But the weather was to good and I didn’t want to waste a perfect afternoon by not flying as much as I could.

The first trouble came when I tried to get the plane into my Renault Clio 1.4. Don’t get me wrong it’s a great car but when you have to spend 10 minutes trying to wiggle a airplane into it made me dream of a bigger car. In the end I got the plane to fit at the same time as myself and I put the pedal to the metal and scooted of to the nearest field.

At the field I did a range-check and did the long version of the preflight check to be sure that everything was spot on, and it was! Time to throw this baby bird out of the nest.

I took the absurd-looking plane into my hand and gave it full throttle and gave it a gentle toss.

This was the shortest flight I have ever had. The second It left my hand it made a crazy tight loop and smashed right into the ground!



Both carbon tubes shattered, the wings tore at the mounting of the booms, both top and bottom wings got tore and dented, prop broke, camera-pod broken, pan servo broken and body tore at several places.

This was the lamest crash I have had. What an anticlimax!
When knowing the results I now see what went wrong;
  • The vertical CG was to high with the camera, video TX and battery on the top wing.
  • The motor angel combined with high thrust.
These things made it go into crazy loop mode.

I think I’ll order an other FPV platform now.
0 Comments