Zaslon
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Joined: 6/14/2015
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Hi Paul.
Recently I acquired the excelent book, Tu-128 'Fiddler' of Alan Dawes, Sergey Burdin and Nikolai Popov. ISBN:978-1-78155-404-3
#656 Tu-128 Fiddler A -- 1968-1982. and #1324 Tu-128M Fiddler A -- 1980-1988.
Type: Fighter (It is classified as Attack, It is not a truly fighter due to his very low agility, max G: 2,5.) it will be better if can be classified as an Interceptor.
Length: 30,06 m
Wingspan: 17,53 m
Height:7,15 m
Crew: 2 (Pilot and WSO/Navigator officer)
Empty Weight: 24,960 kg
Max Weight: 43,400 kg
Max Payload: 1,900 kg
Fuel: 14,850 kg (specific density 0,79)
Maximum landing weight: 34,000 kg (with four missiles weight of 1,900 kg).
Normal landing weight: 31,000 kg (with four missiles weight of 1,900 kg).
Specific fuel consupmtion: 4.7 kg/kg*t
Maximum Service ceiling: 20,000 m (65,616 ft)
Table-1. Climb performance.
Table-2. Maximum speed.
Approach Speed: 360 kph (200 knots)
Landing speed: 330 kph (178 knots) flare
Stall Speed: 320 kph (173 knots).
Take-off run: (43,000 kg with reheat):1,600 m.
Landing run (31,000 kg): 830 m.
patrol speed and maximum range speed (cruising speed): 910 kph (mach .855)
Achievable rang3e at 920 kph (mach 0.855) calculated for a weight of 43,400 kg with missile launch at mid-route point and leaving 1,800 kg for landing: 2,510 km.
Achievable flight duration at 910 kph (down to complete fuel exhaustion and with launch of all 4 missiles after consumption of 50% of fuel): 3 hours and 20 min.
COMMS/DATALINKS
HF Radio[unsecure] 1RSB-70-US-8, MAX RANGE in RT mode: 800-1,000 km (500-620 miles). in WT mode 2,500-3,000 km (1,555-1,865 miles ), aircraft to aircraft: 300-500 km (190-310 miles)
Lazur-1M datalink (GCI) max range:
H= 1,000 m ->143 km
H= 2,000 m ->176 km
H= 5,000 m ->253 km
H= 10,000 m ->385 km
RADAR
Detection range against a single Tu-16 sized target (with 60% of probability of detection): not less thn 50 km (31 miles).
Lock-on Range against Tu-16 sized-target (with 90% of probability): Not less than 35-45 km (22-28 miles).
Detection range against MiG-19 Sized target: 30-45 km (19-28 miles).
Lock on Range against MiG-19 sized target: 22-32 km (14-20 miles).
Search zone in azimuth: +/- 30º
Displacement of axis search zone in azimuth -manual or automatic: +/- 40º tolerance of +/- 2º).
Search zone in elevation: 14º
Displacement in elevation: Automatic: +52º to 3.5º; manual: +34º to 10º.
Auto-tracking zone in azimuth: +/- 70º
Auto-tracking in elevation: +70 to 35º
Scan period: not more than 3.5 sec.
Typical Flight profiles:
To intercept high-Altitude targets (>=10,000 m):
Take-off in afterburner, switching off afterburner at a height of not less than 200 m (656 ft) at an indicated air speed of not less tan 450 kph (245 kts),
Climb to 9,500 m (31,170 ft) in maximum dry thrust and 870 kph (470 kts) TAS,
Cruise at 9,500 m and 920 kph (497 kts) TAS,
When commanded by GCI , select afterburner and climb to 11,000 (36,090 ft) at 950 kph (512 knots) TAS,
Acceleration at constant altitude to TAS 1,300 kph (700 kts) or 1,400 kph (755 knots)
Climb at constant speed of 1,300 or 1,400 to the assigned altitude to the attack or until receiving the command 'zoom climb' (Fiddler attacked usually with zoom climb maneuver in forward hemisphere sector).
To intercept low-Altitude targets (<10,000 m):
Take-off in afterburner, switching off afterburner at a height of not less than 200 m (656 ft) at an indicated air speed of not less tan 450 kph (245 kts),
Climb to 9,500 m (31,170 ft) in maximum dry thrust and 870 kph (470 kts) TAS,
Cruise at 9,500 m and 920 kph (497 kts) TAS,
When commanded by GCI, descend to attack altitude with engines in Flight idle and an indicated air speed of 800 kph (432 kts)(without exceeding mach 0.95)
Launch x1 R-4R and x1 R-4T or x2 R-4R and x2 R-4T to the target.
As I said, source: Tu-128 'Fiddler' of Alan Dawes, Sergey Burdin and Nikolai Popov. ISBN:978-1-78155-404-3 Fonthill Media.
To Do: Check R-4R. R-4T, R-4RM and R-4TM.
Thanks.
_____________________________
 Kids think about Iran and Amateurs think about Russia, but professionals think about China
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