The MIG-25 manual do not mention any water for compressor
precooling. That was misinformation from old books.
The orginal manual is a wrong old book? 😀
The fuel control system is equipped with a water-methanol injection
system, which further enhances some of the most powerful afterburning
engines ever installed in a combat aircraft. blablabla :rolleyes:
But the russian sources state that the MIG-25 had SR-71 locked on
radar sight many times. Remember that SR-71 is the main target for MIG-25.
It could not kill low flying cruise missile, but Blackbird was
target type which the MIG-25P was built for.
Again and again. :rolleyes:
Locked on VHF without A-50.
VHF –> meter waves.
Meaningless for SAMs.
The MiG-25 Safir use centimeter waves and for this is the SR-71
invisible.
A-50 is very expensiv!
A another counter measure against the R40 is the use of Boron based
fuel addetives. Anytime you see colour photos of SR-71s showing a green
hue/colouring of the engines exhaust it is likely burning Boron based
fuel addtives. A another option are flurine.
The ionisation occurs as a result of the carbon atoms present in the
exaust gas.
There is no RAM which could endure Mach 3 speed, even today, not to
speak for 60-s.
The canted vertical stabilisers are built in such way for stability reasons.
I said earlier, it had a corrugated uderwing surfaces, which was
unacceptable for a stealth aircraft.
Fine, your MiG-25 is unabel to exeed Mach 2,5! 😮
The upper 2/3 of the front on the left side ruder is a Radar neutral
GFK cover over the HF-Antena.
SR-71
Construction: Titanium Monococque with some super-high-temperature
plastics.
Epoxy with asbestos and ferrit, Epoxy graphit, Carbon-Carbon etc.
The canted vertical stabilisers are built in such way for stability reasons.
There is a tremendous advantage to positioning surfaces so that the
radar wave strikes them at close to tangential angles and far from right
angles to edges. To a first approximation, when the diameter of a sphere
is significantly larger than the radar wavelength, its radar cross
section is equal to its geometric frontal area. The return of a
one-square-meter sphere is compared to that from a one-meter-square
plate at different look angles. One case to consider is a rotation of
the plate from normal incidence to a shallow angle, with the radar beam
at right angles to a pair of edges. The other is with the radar beam at
45 degrees to the edges. The frequency is selected so that the
wavelength is about 1/10 of the length of the plate, in this case very
typical of acquisition radars on surface to air missile systems. At
normal incidence, the flat plate acts like a mirror, and its return is
30 decibels (dB) above (or 1,000 times) the return from the sphere. If
we now rotate the plate about one edge so that the edge is always normal
to the incoming wave, we find that the cross section drops by a factor
of 1,000, equal to that of the sphere, when the look angle reaches 30
degrees off normal to the plate. As the angle is increased, the locus of
maxima falls by about another factor Of 50, for a total change of 50,000
from the normal look angle. Now if you go back to the normal incidence
case and rotate the plate about a diagonal relative to the incoming
wave, there is a remarkable difference. In this case, the cross section
drops by 30 dB when the plate is only eight degrees off normal, and
drops another 40 dB by the time the plate is at a shallow angle to the
incoming radar beam. This is a total change in radar cross section of
10,000,000!
:diablo:
Actualy not.
All ordinary fighter turbines are of mixed impulse/reaction type.
Therefor is the Soloviev D-30F6 for the MiG-31 a bypass turbojet!?
It’s works similar a J-58.
The fairy tale storyteller:
Belykov, chief MIG engineer say that it is not true.
In Egypt, there was not even need for engine maintenace after Mach
3,2 flights. Sources: MIG-Belyakov, MIGS-Butowski, among others.
Therefor 5 monts no MiG-25R flight over Sinai!?
However, at speeds above mach 3, the force of the engine sucking fuel
through the pumps overwhelmed the pumps’ ability to limit the flow. At
this point, the engines effectively became ramjets, as air began to
bypass the low pressure compressors, accelerating out of control until
the pilot could regain throttle control through using firewalls or
compressor stalls, or the tanks ran dry. However, a more probable series
of events (rip off the W/M nozzels or Firebar’s Superamplifier
Perpetummobile Vortex Generator) would be the eventual destruction of
the engine as the suction force of the compressors began to pull various
engine parts through the ignition chamber and turbines.
At high angle of attack, the upper MiG-25 vertical tail, comes into a
region of lower pressure, and loses much of its effectiveness.
You can fly Mach 2,83 only at a straight line.
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