ICA IS-28

ICA IS-28

__NOTOC__ Infobox Aircraft
name=IS-28 and IS-30


caption=
type=Sailplane
national origin=Romania
manufacturer=ICA
designer=Iosif Silimon
first flight=August avyear|1970
introduced=
retired=
status=
primary user=
more users=
produced=
number built=ca. 400
variants with their own articles=
The ICA IS-28 was a two-seat sailplane produced in Romania in the 1970s. An all-metal aircraft of conventional design with a T-tail, it was originally produced with 15-metre wings, but in 1973, production shifted to the IS-28B with 17-metre wings and numerous aerodynamic refinements. These included a smaller tail with decreased dihedral, decreased dihedral on the wings, and redesigned fuselage contours. This version first flew on 26 April 1973 and was subsequently produced in versions with flaps (IS-28B2) and without (IS-28B1). Around 100 had been built by the early 1980s, with a substantial number sold for export.

The IS-28 was also produced as a motorglider, initially as just a powered version of the IS-28B2 (designated the IS-28M1) and then as the more radically redesigned IS-28M2. This version had an entirely new forward fuselage offering side-by-side seating for the two occupants, wings relocated to a low-set position on the fuselage, and tailwheel undercarriage with main units that semi-retracted backwards into the wings. The rear fuselage, empennage, and outer wing panels remained identical with the sailplane version.

The IS-30 was a refined IS-28B2, identical in most respects other than having all-metal control surfaces (where the IS-28's had been fabric-covered) and a redesigned horizontal stabiliser.

Variants

* IS-28 - sailplane with 15 metre wings
* IS-28B
** IS-28B1 - sailplane with 17 metre wings and DFS-style airbrakes
** IS-28B2 - similar to IS-28B1 with flaps and Schempp-Hirth-style airbrakes
* IS-28M
** IS-28M1 - motorglider version of IS-28B1 with Limbach SL.1700E1 engine
** IS-28M2 (aka IAR-34)- motorglider with side-by-side seating and three-point undercarriage
** IAR-28MA - IS-28M2 with new wing, split flaps and Limbach L.2000E01 engine
* IS-30 - all-metal IS-28B2 with new tailplane.
* IAR-46 - trainer version of IS-28M2 with reduced wingspan and Rotax 912A engine

pecifications (IS-28B2)

aerospecs
ref=
met or eng?= met

crew=One pilot
capacity=1 passenger
length m=8.36
length ft=27
length in=5
span m=17.00
span ft=55
span in=9
swept m=
swept ft=
swept in=
rot number=
rot dia m=
rot dia ft=
rot dia in=
dia m=
dia ft=
dia in=
width m=
width ft=
width in=
height m=1.80
height ft=5
height in=11
wing area sqm=18.2
wing area sqft=196
swept area sqm=
swept area sqft=
rot area sqm=
rot area sqft=
volume m3=
volume ft3=
aspect ratio= 15.8
empty weight kg=375
empty weight lb=826
gross weight kg=590
gross weight lb=1,300
lift kg=
lift lb=

eng1 number=
eng1 type=
eng1 kw=
eng1 hp=
eng1 kn=
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eng2 number=
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max speed kmh=226
max speed mph=140
max speed mach=
cruise speed kmh=
cruise speed mph=
range km=
range miles=
endurance h=
endurance min=
ceiling m=
ceiling ft=
glide ratio= 34
climb rate ms=
climb rate ftmin=
sink rate ms= 0.6
sink rate ftmin= 122

armament1=
armament2=
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aircontent
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References

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