Aviation

"Long, Expensive, and Painful": MC-21 and SJ-100 Denied Development Time Reduction
Tretyakov: tight deadlines should not affect aircraft certification procedures

40 Flights - and then Discarded? The True Lifespan of the PD-8 is Revealed
Roman Gusarov: 80 cycles for the PD-8 is only the documented operating time confirmed by tests

"Yakovlev" came up with a way to hide drone propellers in flight
Engineer Rail Gareev explained why UAVs need niches and flaps for lift propellers

MS-21 aircraft to catch up with Boeing 737 MAX in efficiency without its main "feature"
Roman Gusarov: engineers will reduce the weight of the entire airliner

Half-century-old An-28s to remain in service for another 10 years for 3 million rubles
There are 6 turboprop aircraft in operation in Russia

2 thousand aircraft for 145 million people: Russia's small aviation has run into problems not only with "Baikal" and "Osvey"
Aviation expert Detenyshev: Without changing aircraft operating rules, even increased production will not solve the problem

Il-114-300 for 2.6 billion rubles could bankrupt airlines
SkyExpert: replacing An-24 will require a complete economic overhaul

PD-8 is not a solution: "Superjet" cannot be saved in time
Yury Tretyakov: re-engining of SaM146-powered aircraft cannot be caught up

Science Fiction Comes True: Laser-Plasma Engine Invented by Engineers in Balashikha
A 4-faceted nozzle will convert plasma into jet thrust

Supersonic returns after a 20-year hiatus: Russian EPSYLON gets 1980s wing and transformable cabin
The concept fuselage, 6.2 m wide and 5.4 m high, is comparable in size to large business jets

Pressure drops 4-fold: ODK engineers reveal details about the unusual supersonic turbine stage of the PD-8
Innovative design helps to more efficiently utilize gas flow energy

"Black Wing" of MC-21 to Get More Accurate Service Life Calculation: MAI Creates New Methodology for Composites
The model accounts for microdamage accumulation and gradual reduction in material stiffness and strength

New SJ 100s will be produced less for the sake of older SSJ 100s: PD-8s to be reallocated for re-engining
Reducing the KPGА program for aircraft and serial engine assembly should lower their cost

Power plants based on the NK-37 engine of Tu-160 "strategists" began to be assembled three times faster than usual
The unit can run on gas or diesel and delivers up to 32 MW
