A.M. Shkapyak1, S.P. Gulevich2, A.S. Komogortsev3, V.V. Mikhailov4, A.N. Korotkikh5, T.S. Kostina6

1–5 JSC «Rybinsk Instrument Engineering Plant» (Rybinsk, Russia)

6 JSC «Ural Civil Aviation Plant» (Yekaterinburg, Russia)

1 rrussia@gmail.com, 2 s.p.gulevich@mail.ru, 3 andreykomogortsev@yandex.ru, 4 vmikhailov@rambler.ru, 5 korotkix02@rambler.ru