Overall weight 120g. Fan size 4x4x1cm.
Remove the seat. Glue the cone into the slot. Push the holder through the rear window. I connect to 6S balancer plug. Cooling is sufficient.
See it in action https://youtu.be/oKpAUHD5oCo?si=byZTawhvK3OV909A
The author marked this model as their own original creation.