Its aerodynamic design was excellent, and was later used on VL Pyörremyrsky fighter and Valmet Vihuri trainer.
The equipment consisted of some 200-240 aircraft, including Curtiss Hawk 75As, Fokker D.XXIs, Morane-Saulnier MS.406s, Gloster Gladiator IIs, Curtiss P-40M, LaGG-3, Fokker C.Xs, Westland Lysanders, VL Viima IIs, VL Myrsky IIs, Blackburn Ripon IIFs, and Bristol Blenheim Mk.Is.
During his time at VL, he participated in the design of VL Myrsky, VL Pyörremyrsky and VL Pyry aircraft.