Hydraulic jacks to lift and secure Russian military aircraft to the floor of the workshops. These jacks are used, among other things, to fix the height of the aircraft in the workshop and to prevent it from varying when adding or removing weight by cushioning the landing gear. For example when uninstalling or installing engines.
Other examples of use are arrangements and tests of landing gear deployment without the aircraft touching the ground.
This model has been tested in fit and dimensions in the 1/32 scale model of Italeri’s Sukhoi 27.
The kit can be mounted with the piston more or less elevated, since 2 jacks are used under the nacelles of the engines, and the third under the front section of the fuselage.