To remove or hang on the door hinges alone — for many, this becomes an intractable problem. Make the device shown in the figure, and the case will move forward.
Recommend to read
“FLYING WING” REZINOMOTORNAYA
MODEL No. 1. This design is a continuation of work on improving the model, which is described in "M-K" (No. 1, 1972). For better aerodynamics it is applied to a fuselage of circular...
“COAT” FOR BATTERIES
AA cells can be installed in a socket of larger diameter than itself, if you wrap it in several layers of paper, foam or any other available material suitable for this purpose. For...
