VERSIONS – I-340, SM2/1 (I-360), SM2/2 (I-360)
Details as SM-2/1 (modified) unless otherwise indicated
Port RV-2 radio altimeter
antenna under wing tip
Enlarged wing fence
SM-2/1 (I-360)
(later)
Details as SM-2/1 (early) unless otherwise indicated
ASP-4NM gunsight
Revised hydraulic system
with irreversible actuators
2 x 37 mm (1.45 in) Nudel'man N-37D
cannon with 50 (75 maximum) rounds
per gun in wing roots with extended
muzzle brakes
Revised
fin tip
and root
Port RV-2 radio altimeter antenna under wing root
Increased rudder
area with trim tab
Repositioned and additional IFF antenna
Revised rear fuselage structure
with tailplanes repositioned to
upper fuselage from fin tip
Antenna offset
to starboard
Large blast plate
Larger area tailplanes
with 55º leading edge
sweep
Enlarged, rectangular air brakes
moved further forward
Cartridge case/link collector
in lower fuselage reducing
forward tank fuel load by
70 lt (15 Imp gal, 19 US gal)
SRD-1 Radal'-M
gun ranging radar
Revised cockpit pressurisation/
air conditioning
SM-2/1 (I-360)
(modified)
Twin engine escort fighter,
based on I-340 (SM-1)
Wider rear fuselage to
accommodate second
engine/exhaust
2 x Mikulin AM-5A axial-flow turbojets
Tail fin with 56º
leading edge sweep
Dorsal intakes
ASP-4N gunsight
Mikoyan KK-2
ejector seat
1 x fence on upper wing surfaces
Mid-mounted swept wings with
55º leading edge sweep, 4.5º
anhedral, clipped wing tip and
high speed airfoil section
Tailplanes with 55º leading
edge sweep and full-length
elevators
Single-piece
rudder
Long wing tip anti-flutter booms
with pitot in one boom
Half-span ailerons
Half-span TsAGI flaps
Fuselage lengthened
by 1.6 m (5 ft 3 in)
Longer canopy/revised framing
Large, rectangular air brakes
with prominent actuator fairing
Nose mounted cannons/
underfuselage weapons
tray deleted
Provision for wing root
cannon armament
Avionics: RSIU-3 Kylon VHF radio,
ARK-5 Amur ADF, OSP-48 ILS,
RV-2 Kristall radio altimeter,
MRP-48P Dyatel marker beacon
receiver, SRO-1 Bariy-M IFF
Radio altimeter antenna
under wing tips
Hardpoint for 760 lt (167 Imp
gal, 201 US gal) drop tank
or D4-50 bomb shackle
under each wing
PT-2165-5A brake chute
in bay between jet pipes
T-tail configuration
Trim tab on port aileron
SM-2/1 (I-360)
(early)
First pre-production MiG-17
forward fuselage mated with
new rear fuselage 1951-52 for
flight tests 1952-53, followed
by gun gas ingestion tests at
end of 1953
Twin engine escort fighter, based on MiG-17 (later)
2 x Mikulin AM-5 axial-flow turbojets,
later AM-5A turbojets
'Pen nib' rear fuselage/
twin exhausts ventral
fin/air brake/shape
Fuselage break point
Tail bumper
1 x PT-2165-51 brake
chute in lower fuselage
between jetpipes
Wider inlet ducts
Intake splitter extended
forward to level with intake
lip with sharper profile
New fuel system with rear fuel
tank moved below engine bay
1 x 37 mm (1.45 in) Nudel'man N-37D
cannon with 40 rounds (starboard)
and 2 x 23 mm (.90 in) Nudel'man-
Rikhter NR-23 cannons with 80 rounds
per gun (port), mounted on removable
under fuselage tray
Wing tip pitot
Gun
camera
Revised canopy framing
Wider rear fuselage to
accommodate second
engine/exhaust
Additional dorsal intakes
ASP-4N gunsight
Mikoyan SI9100-00
ejector seat
3 x fences on upper
wing surfaces
SRD-1 gun-ranging
radar strake antenna
I-340 (SM-1)
prototype
Details as SM-2/1 (early) unless otherwise indicated
RV-2 radio altimeter antennas positioned
under fuselage and offset to port
Airframe revisions applied to SM-2/1 added
to SM-2/2 during state trials phases
(see SM-1/1 (modified) and (later))
SM-2/2 (I-360)
ILLUSTRATIONS: © ADRIAN DAVID MOORE 2015 • NO ITEMS MAY BE REPRODUCED WITHOUT THE PERMISSION OF THE COPYRIGHT HOLDER
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ILLUSTRATIONS: © ADRIAN DAVID MOORE 2015
