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    Il-112V light military transport

    Isos
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    Post  Isos on Mon Apr 01, 2019 6:46 pm

    Rodion_Romanovic wrote:I was having a look at the available data for the EASA / CASA C-295. Compared to the il-112 the c-295 has a similar size and max take off weight, and about the same engine power but apparently it has a longer cargo cabin size (with just only 10 cm less wide cabin), better payload, range and short take off capability.
    Is it possible? Where's the catch? Is it just a better aircraft or are the data a bit "engineered"?

    Do you have reliable numbers. Range depend of payload and on wikipedia most of the time they don't provide range in fonction of load.

    For exemple rafale is cited to have similar range than su-35. While it is when equiped with 3 or 4 tank fuel.
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    Post  LMFS on Tue Apr 02, 2019 2:29 am

    Some quotes relevant to the Il-112V and its first flight:

    Alexey Rogozin (Head of Ilyushin)


    "It should be noted that virtually all aircraft systems developed from scratch are the latest domestic developments. The plane gave life to many new technical solutions"

    He recalled that in February 2017 components of the aircraft were transferred to the final Assembly shop. "Most of the system was then at the first stage of tests. The fact that today the plane flew is due to the very large team as "Ilyushin" and cooperation", - said the CEO of the company.

    Rogozin said that the new machine has certain problems associated with "overweight", explaining that this is a standard problem for any of the first prototype of the product. "Production aircraft will fully meet the requirements of tactical and technical specifications of the Ministry of defense of Russia", - he said.

    "The plane is fully complied with the program's first flight, the comments from the crew there. The commander of the Il-112V, the Hero of Russia Nikolay Kuimov thanked the designers and the factory for a job well done," - said Rogozin.

    According to him, the pilots are very happy with the new car and wait, when will be able to continue the test.

    Rogozin added that the production of additional samples of the Il-112V will depend on the decision of the Ministry of defense.

    "The decision is for the Ministry of defence. We are ready to continue work", - said Rogozin, answering the relevant question.

    "The testing will begin soon, now it is necessary to conduct a detailed debriefing. There is a set of activities to be performed to complete the development of the aircraft," - said Rogozin, answering the relevant question.

    In turn, the Vice-President on transport aviation, JSC "UAC", Director General of PJSC "Il" Alex Rogozin said that "the Il-112V is the first military transport aircraft, which is created from scratch in the post-Soviet period".

    "Il-112 will help in solving many problems in the field of military logistics and civilian sector," he said.

    He noted that "now the division "Ilyushin" are not less important and responsible task of conducting the flight testing and preparation for serial production of the Il-112V, which will take place in Voronezh".

    Rogozin stressed that 100% of components and assemblies of the aircraft is of Russian origin, most of them created by the structures of the state Corporation "rostec". So, the engines created "United engine Corporation". The responsibility of holding KRET "Rostec" - automated control system, and the "Technoceramica" developed for aircraft landing gear, hydraulic elements and electric power supply system.

    Yuri Slyusar (Head of UAC)

    The order to launch into production of the third and fourth aircraft Il-112V will be signed on Saturday, 30 March, said the President of UAC, Yuri Slusar.

    Slyusar noted that work is still a lot, but the first flight, and therefore, the project military-transport aircraft Il-112V has taken place.

    "Today (Saturday, March 30, approx. USPDA) we will sign the order to launch two more machines to be manufactured and connected to the tests", – quotes its words of RIA "news".

    A further problem, according to him, is the production of the series before completion of the tests, and the fastest access to the series of 12 cars.

    "This series will provide the needs of the Ministry of defence and the optimum utilization of production", – he stressed. "Behind all this great work, which was carried out over the past 15 years. I sincerely thank the people who believed in the project, has done a lot to this flight took place. We have a lot of problems," – said the head of the KLA.

    Yuri Borisov (Deputy Prime Minister)

    New military transport aircraft Il-112V is a unique platform for the creation of military and civil aircraft. This was stated in the first flight of the Il-112V Deputy Prime Minister Yuri Borisov, quoted by the press-service of JSC "Ilyushin".

    Deputy Prime Minister watched the flight of the Il-112V on the airfield of the Voronezh aircraft joint-stock companies.

    "The Il-112V is not only a Transporter, but also a unique platform that can be used for a wide range of military and civilian" - said Deputy Prime Minister Yuri Borisov.

    He recalled that the Il-112 is built entirely from domestic components and equipment on the Russian element base.

    Borisov noted that the executed flight is an important stage for the formation of the Park of military transport aircraft.

    Denis Manturov (minister of Industry)

    In turn, the press service of the Ministry of industry and trade quoted the head of the Ministry Denis Manturov about the fact that the need for updated Park of military transport aircraft more than 100 aircraft.

    "To fill this niche we need products for domestic aviation. This will serve the interests of the main customer - the military Department - to provide loading of the enterprises of the aviation industry. The plane is used exclusively Russian components and assemblies and applied a number of new technologies. In co-operation with the creation of light military transport aircraft Il-112V involves leading developers and major aircraft factories in Voronezh and Ulyanovsk", - said Manturov.




    GarryB
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    Post  GarryB on Tue Apr 02, 2019 6:52 am

    They'll need to develop Il-112 + Il-276 2-3 extra cargo variants for what 4 & 2 engine An-70 varians could do.

    That is not true.

    Missions you would use an Il-112 for or an Il-276 for you would never consider using an An-70 for.... remember the Il-112 is replacing the An-26 which has never been used for parachute drops of VDV AFAIK, and the IL-276 is replacing the An-12 which is too light for the VDV too... the VDV used the Il-76 because it could carry three or four BMD based vehicles or large numbers of troops at one time... its main problem was high flight speed making parachuting less comfortable and also spreading out the dropped forces over a wider area than a slower aircraft would.

    A variant of the original IL-76 with turboprop engines allowing lower flight speeds and a 40-50 ton capacity would be the ideal replacement for the An-70 and it would offer rather more commonality with the Il-476 and the Il-276 that would replace the standard Il-76 and the An-12 in service.

    They are designing and making families of aircraft engines so a powerful turbofan could have a range of different roles... four for an An-70 replacement based on the Il-476, and perhaps a twin engined turbofan model based on the Il-276 for shorter range ops where speed is not so important and lower flight costs matter.

    If they r now jointly developing a heavy helo, such a plane can also be developed jointly.

    It is not the weight class that is the problem it is the propulsion... and BTW the AN-70 and A400M are in a similar bracket for performance... if you actually had one there would be no point in developing the other...

    Where's the catch? Is it just a better aircraft or are the data a bit "engineered"?

    It is intended to replace an existing type with existing performance levels and they made it as such.

    If it was competing with the C-295 it would win, despite the latters better specs simply because it is sanction proof, which the C-295 is not.

    Rodion_Romanovic
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    Post  Rodion_Romanovic on Tue Apr 02, 2019 8:49 am

    Isos wrote:Do you have reliable numbers. Range depend of payload and on wikipedia most of the time they don't provide range in fonction of load.
    The C925 have an Empty weight of11000kg and a
    Max. takeoff weight of 23,200 kg (51,146 lb)


    The Il-112V (from Wikipedia

    Length: 24.15 m (79 ft 3 in)
    Wingspan: 27.6 m (90 ft 7 in)
    Height: 8.89 m (29 ft 2 in)
    Wing area: 65 m2 (700 sq ft)
    Max takeoff weight: 21,000 kg (46,297 lb)
    Fuel capacity: 7,200 l (1,600 imp gal; 1,900 US gal)
    Powerplant: 2 × Klimov TV7-117ST turboprop, 2,610 kW (3,500 hp) each
    Propellers: 6-bladed constant-speed reversible pitch propellers
    Performance

    Cruise speed: 450 km/h (280 mph; 243 kn) to 500 km/h (310 mph; 270 kn)
    Range: 2,400 km (1,491 mi; 1,296 nmi) with 3,500 kg (7,700 lb) load; 900 km (560 mi; 490 nmi) with max load
    Service ceiling: 7,600 m (24,900 ft)

    In the EASA website they write 2000NM (3700 km) with a 6tons payload for the C295.
    In Wikipedia, but I do not know if the data are correct there, it is reported:

    C295 wiki page wrote:
    Length: 24.50 m (80 ft 3 in)
    Wingspan: 25.81 m (84 ft 8 in)
    Height: 8.60 m (28 ft 3 in)
    Wing area: 59 m² (634.8 ft²)
    Empty weight: 11000kg ()
    Max. takeoff weight: 23,200 kg (51,146 lb)
    Powerplant: 2 × Pratt & Whitney Canada PW127G Hamilton Standard 586-F (six bladed), 1,972 kW (2,645 hp) each

    Performance

    Maximum speed: 576 km/h (311 knots, 358 mph)
    Cruise speed: 480 km/h (260 knots, 300 mph)
    Range: with 3,000 kg (6,600 lb) payload, 4,600 km (2,500 nmi / 2,875 mi); (with 6,000 kg (13,200 lb) payload, 3,700 km (2,000 nmi / 2,300 mi))
    Range with max 9,250 kg (20,400 lb) payload: 1,300 km (700 nmi / 805 mi)

    Ferry range: 5,400 km (2,900 nmi / 3,335 mi)
    Service ceiling: 9,100 m (30,000 ft)
    Takeoff run: 670 m (2,200 ft)
    Landing run: 320 m (1,050 ft)


    GarryB wrote:
    Where's the catch? Is it just a better aircraft or are the data a bit "engineered"?

    It is intended to replace an existing type with existing performance levels and they made it as such.

    If it was competing with the C-295 it would win, despite the latters better specs simply because it is sanction proof, which the C-295 is not.


    Of course, that is the importance of having a local production. I was just wandering what they have traded to get better range and payload for a otherwise quite similarly sized aircrafts, and what the russian have instead decide to optimise. E.g, some overload capabilities or a different flight envelope.. etc.

    Unless, it is instead a problem of design, as the experience with this size and class of aircrafts was before only in Antonov and Russian engineers have to relearn it the hard way
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    Post  Tsavo Lion on Tue Apr 02, 2019 10:02 am

    Missions you would use an Il-112 for or an Il-276 for you would never consider using an An-70 for....
    A shorter & lighter twin engine An-70 derivative could have 15-20T payload with longer range, another stretched variant could have 25-30T payload with shorter range & be used as cargo/passenger/tanker, etc. The 1st would be heavier than the Il-112 & the 2nd than the Il-260, but it's worth to have extra payload capacity.
    A variant of the original IL-76 with turboprop engines allowing lower flight speeds and a 40-50 ton capacity would be the ideal replacement for the An-70..
    I don't think there r prop engines that powerful to be used on it, except those from Tu-142/An-22, & the wings, wiring, fuel system, instruments, + longer landing gear for ground clearance,etc. will need to be redesigned/changed.
    Easier to build 4/2 engined modernized An-22 in several variants & under a different name.


    Last edited by Tsavo Lion on Tue Apr 02, 2019 4:36 pm; edited 1 time in total (Reason for editing : add text)
    Rodion_Romanovic
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    Post  Rodion_Romanovic on Tue Apr 02, 2019 1:31 pm

    Tsavo Lion wrote:
    Missions you would use an Il-112 for or an Il-276 for you would never consider using an An-70 for....
    A shorter & lighter twin engine An-70 derivative could have 15-20T payload with longer range, another stretched variant could have 25-35T payload with shorter range & be used as cargo/passenger/tanker, etc. The 1st would be heavier than the Il-112 but it's still worth to have extra capacity for cargo, passengers & fuel.
    A variant of the original IL-76 with turboprop engines allowing lower flight speeds and a 40-50 ton capacity would be the ideal replacement for the An-70..
    I don't think there r prop engines that powerful to be used on it, except those from Tu-142/An-22, & the wings, wiring, fuel system, instruments, + longer landing gear for ground clearance,etc. will need to be redesigned/changed.
    Easier to build 4/2 engined modernized An-22 in several variants & under a different name.

    I wrote in the il 106 thread that they are doing a turboshaft engine for the heavy helicopter Mi26, the PD12V, derived from the PD14. From turboshaft to turboprop the step is not that big.

    The Ivchenko-Progress/Motorsich D-27 propfan of the An-70 (and of the Yak-44) had a similar power (14000 shp) of the PD-14 derivative turboshaft that Russia is developing to replace the engine on the Mi-26 helicopter (that engine will be capable of 14500 shp, but flat rated at 11500 shp to match the Mi-26 gearbox).

    As the actual fan of the D-27 (from Aerosila) and many other parts were designed and manufactured in Russia, probably Russia could without too many problems create a new and more modern Prop-fan engine of that class (also to help (re)start development and construction of aircrafts like Yak-44 or An-70 if the situation with Antonov and contry 404 changes).

    I believe that an aircraft like the An-70 (47 tons of payload) would be a good complement to the transport fleet of Russia and could also be produced and used in parallel to the Il-76.

    Such propfan engine (or an uprated version) could anyway be also used to replace the NK-12 of the Tu-95, in order to have more commonality between different classes of aircrafts
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    Post  GarryB on Wed Apr 03, 2019 10:35 am

    A shorter & lighter twin engine An-70 derivative could have 15-20T payload with longer range, another stretched variant could have 25-30T payload with shorter range & be used as cargo/passenger/tanker, etc. The 1st would be heavier than the Il-112 & the 2nd than the Il-260, but it's worth to have extra payload capacity.

    The An-70 is dead, let it go. Making different sized variants only makes sense if you actually already had it in production or planned for production... otherwise it is a variant of an aircraft you don't have.

    They want a replacement for the An-12 and a replacement for the An-70 makes sense for the VDV... the Il-276 is the ideal replacement for the An-12 in many many ways, and a turboprop version of the Il-476 could be used as an An-70 replacement too.

    I don't think there r prop engines that powerful to be used on it, except those from Tu-142/An-22, & the wings, wiring, fuel system, instruments, + longer landing gear for ground clearance,etc. will need to be redesigned/changed.
    Easier to build 4/2 engined modernized An-22 in several variants & under a different name.

    There are plenty of new engines they are developing in a different range of power ranges... they could simply choose the most suitable and use it on the Il-476.

    The An-22 wont be in service for very much longer if it is still in service now so there is little point in reviving that design at all.

    I wrote in the il 106 thread that they are doing a turboshaft engine for the heavy helicopter Mi26, the PD12V, derived from the PD14. From turboshaft to turboprop the step is not that big.

    There we go... I think the engines for the Il-114 were TV7-117S turboprop engines based on a helicopter turbine engine.

    They could probably make a low cost twin engine model with a similar or slightly derated engine like an ATR-72.
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    Post  dino00 on Wed Apr 03, 2019 10:38 am

    Revision of the IL-112V to meet the requirements of the Ministry of Defense of the Russian Federation will take about a year - a source

    Moscow. April 3rd. INTERFAX - The Il-112V lightweight military transport aircraft needs to be refined for about a year to comply with the RF Defense Ministry’s technical requirements, an informed source told Interfax.
    "It will take at least 8-10 months for the IL-112B to be finalized and redesigned so that the aircraft complies with the Defense Ministry’s tactical and technical assignment," the agency’s source said.
    According to him, the prototype of the aircraft, which made the first flight on March 30, at the moment does not meet the requirements of the customer for payload.
    In March, the source of Interfax reported that the project to create a new light transport Il-112B will not be closed, despite the long-term delay in implementation and repeated postponements of the first flight.
    Another source of the agency noted that mass purchases of Il-112V should not be expected in the near future. "The plane does not yet meet all the requirements of the customer," said the agency interlocutor.
    In turn, in the office of Deputy Prime Minister Yuri Borisov, who oversees the military-industrial complex, Interfax was told that the Ilyushin Aviation Complex and the United Aircraft Corporation (UAC) should soon provide the Ministry of Defense and the Ministry of Industry and Trade of the Russian Federation project.
    “The development of the aircraft is not easy, like any new technology. It’s no secret that the previously set dates for the first flight have already been postponed. At the moment, according to the results of a recent meeting with Deputy Prime Minister Yuri Borisov, UAC and PJSC Il have been instructed to provide customers (Ministry of Defense and the Ministry of Industry and Trade) specified a schedule for the completion of development work on the creation of the Il-112V, "the administration said, responding to a request from Interfax about the fate of the project.

    https://www.militarynews.ru/story.asp?rid=1&nid=505294&lang=RU


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    Post  Tsavo Lion on Thu Apr 04, 2019 1:22 am

    The An-70 is dead, let it go.
    it could be revived later, like it is with Turkey now:
    https://www.airforce-technology.com/projects/antonov-188-military-transport-aircraft/

    China revived An-24/12/Y-8 with Y-7, MA-600 & Y-9.
    ..a turboprop version of the Il-476 could be used as an An-70 replacement too.
    If it was worth it, some1 would have proposed it by now.
    Older Il-76s r being substituted for that now.
    IMO, they could stretch the Il-112, make new wings, & add 2 more engines, or a big quad tilt-rotor could fill in somewhere between the Il-276 & the An-70.
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    Post  PapaDragon on Thu Apr 04, 2019 3:20 am

    Tsavo Lion wrote:
    The An-70 is dead, let it go.
    it could be revived later, like it is with Turkey now:
    ......


    Dude, it's dead. Let it go.

    It was just a bloated turd anyway, have you seen​ development clustefuck that occurred with it?
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    Post  GarryB on Thu Apr 04, 2019 10:50 am

    Their first priorities will be to replace existing types that are obsolete and need to be replaced because they are now not Russian.

    That is the An-26, and the An-12, which are being used widely by the military and civilian users in Russia and are running out of air frame life.

    The Il-112 has been tested and changes have been requested and within a year should be sorted out and ready for full production, which will allow some of the older An-26s to be retired and others with life left sold off or given to allies or friends that might have a use for more of them... either as extra bodies or spare parts.

    The point is that the new Il-112s will be new with modern avionics and systems.

    The Il-276 will be a much bigger improvement over the An-12 because it is a jet and will be rather faster and will have the same internal capacity as the Il-76 but shorter which will be a good thing.

    The development of new engines should allow new models of the new aircraft to be introduced... a big powerful propfan could be used for a large 50 ton capacity low flight speed aircraft for dropping paratroopers and armour for the VDV where its lower speed will make it rather better for the role than any jet.. it will probably still need four engines because of its size and weight capacity requirement but a twin engine model might be interesting as a middle weight aircraft... it might be a useful and cheaper powerplant for the Il-276 for fuel efficient operations, or it might create a transport between the Il-276 and the Il-114... perhaps in the 10-15 ton payload capacity range.... who knows.

    The prop fan engine could be used on the Be-200 amphibious aircraft to give it more take off punch too... in fact depending upon its power and fuel efficiency it might even be a replacement option for the Bear... four big multi blade propfans... it might lose some speed but get more thrust for quicker easier takeoffs and landings (reverse thrust more powerful too) and make it quieter and more fuel efficient so with much longer range with a minor loss in top speed perhaps.

    A big powerful propfan like that could be useful on large long range UAVs... an enormous ducted fan could be used on the PAK DA...
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    Post  dino00 on Thu Apr 04, 2019 11:09 am

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    Post  GarryB on Thu Apr 04, 2019 11:17 am

    Nice video... they used minimal flap for take off and landing... it wasn't very much flap at all for the takeoff and perhaps 10% for landing?
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    Post  JohninMK on Fri Apr 05, 2019 11:36 pm


    Il-112V problems:
    https://vz.ru/society/2019/4/5/971692.print.html via Yandex

    A few days after the first flight of the new Russian military transport aircraft, it turns out that it did not make the proper impression on the customer. The defense Ministry is dissatisfied with a number of parameters of Il-112V. What exactly needs to be corrected and whether the release of this much-needed air force aircraft will be completely disrupted in the end?

    Despite the flattering review of the chief pilot of PJSC "Il" Nikolai Kuimov, who on March 30 successfully completed the first test flight and made a regular landing at the airport of the Voronezh joint-stock aircraft company (VASO), to Il-112V the military remained a number of questions. The wording of the pilot that "a great plane, the flight went well", the selection Committee was not satisfied.

    Actually, even before rolling out on a test flight defects of new Silt were well known. In particular, at one time personally the head of the defense Ministry Sergei Shoigu expressed his comments on this matter. Repeatedly there were reports of disruption of production time and a number of technical problems. It was necessary to concentrate on details (as occurred), and the customer and the producer only documented problem parties and came to consensus on their elimination. And then, they say, fly!

    On the merits and in particular the need for the early appearance of Il-112V, Vzglyad newspaper has already written exactly under his first test flight. Its obvious shortcomings were also identified. They, in fact, noticed "voenproekta" which "nakovyryat" the new freighter is still a bunch of problems to be addressed. From obvious minuses – plane output was too heavy, imperfect motor (rotor and engine) and next to invisible at first sight defects. On correction gave no more than a year.

    It all began with the timing in anticipation of the take-off of light military transport aircraft, which were delayed in the modern version for at least a year. Instead of the declared first half of 2018 (as it was publicly said at MAKS-2017), the plane took off only a year later in the presence of members of the Commission and spectators. Why was the promise not kept? Due to the poor quality of project documentation and the presence of a large number of errors in the drawings.

    Plus, as it turned out, in the manufactured body of the aircraft found defects that lie in the weight distribution in the center of gravity of the aircraft. The banal – nasal part of the Il-112V was much easier than the tail and to prevent a catastrophe you need to "weigh down the nose". Accordingly, the total weight of the aircraft increases with a minus sign for the lifted cargo. The declared six tons in the end are reduced not even to five, but to a maximum of 3.5 tons of payload (pessimists estimate the carrying capacity of this aircraft just a ton).

    Recognizes that light transport aircraft Il-112V will be too heavy, and he is the chief designer of "Il" Nikolay Talikov. To speak on this subject, Nikolai Dmitrievich not particularly fond of. Nevertheless, he finds his explanation for the fact that the resulting machine does not correspond to the tactical and technical task, in particular by weight of the cargo transported. The reason, in his opinion, lies in the General trend of objective reasons associated with the change in the aviation industry, the generation of designers, which "went weak".

    Okay, in this case this is only a personal opinion, even the chief designer. If we consider that the minds and hearts invested in the Il-112B still come from the old school of hardening of Soviet aircraft designers, then there is probably need to blame for something else.

    No offense to aircraft designers – "rivet" on the Assembly line, they are slightly forgotten how. And it's not even their fault when the prototypes died down before the stage of the experimental flight. Then on the new-old planes recalled and they tried to reanimate, to bring to mind for other people – the new generation of engineers, whose calculations technology 4 plus, 5-th generation, and the need of "sewing machine" to make a decent air technique. Exhale, beaver, secondary structures will be replaced, composite materials will be introduced, repackaging will be done and Il-112V will receive the same three main parameters – range, load capacity and category of airfields.

    "Any aircraft passes the stage of improvements throughout its operation, – says test pilot, one of the few pilots of the Il-96 Sergei Knyshev. – Even received a series of air machines hone and improve with each flight. Designers take all the factors and parameters of the aircraft for drawings on the climbers is simply impossible. The main criterion is flight safety, the rest is being finalized over the years.

    Take the same Soviet still An-26, which is now to be replaced by Il-112, and he from the first test flight to the beginning of operation has passed the way in four years. I am sure that the new transport will also fly, after appropriate improvements. Here I'm more important than to a greater extent the opinion of the pilot who picked up the plane – he is confident in it. The rest is just a matter of time."

    There is still such a nuance: Il-112V is simply obliged to get rid of the identified shortcomings and enter the service of military transport aircraft. And there are simply no other options now to replace those one and a half hundred An-26S that still "twist the sky with screws". Buy imported – not an option, and no one by and large. Is to bring to your mind. Moreover, the identified "flaws" are removable.

    Let's be optimistic: the aircraft will reach due to weight reduction and fine-tuning of engines to the declared five–six tons of load capacity. It will replace not only the An-26, which is superior in most parameters by 30-40 percent, but will also compete with world transport aircraft of this class. The final cross on this air car nobody is going to put.

    And in summary, the Il-112V is now much closer to implementation than to oblivion. And the first pancake – not a clod.
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    Post  miketheterrible on Sat Apr 06, 2019 5:50 pm

    So it will take about a year to fix all the issues?
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    Post  GarryB on Sun Apr 07, 2019 4:29 am

    It is a bit weird though is it not?

    I mean trying to fix all the problems before putting it into mass production... what are they thinking... them Russians are so backward... they don't even genetically modify their food sources...
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    hoom

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    Post  hoom on Sun Apr 07, 2019 6:34 am

    Its just a re-stating of the already known weight/CoG issues that are supposed to be fixed in 2nd prototype which is due in about the given time period.

    Forget where I was reading it (BMPD comments I think) but an interesting suggestion is the original prototype was designed on legacy paper systems, design has been digitised with corrections made during the digitisation & 2nd prototype is being built to the digital design.
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    Gazputin

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    Il-112V light military transport  - Page 8 Empty its nothing unusual

    Post  Gazputin on Sun Apr 07, 2019 10:23 am

    hi guys I'm new to this but have been reading stuff here for a while

    I was in product design engineering and development for 25 years ….
    I can assure you 1 year is not a long time … 1.5-2 yrs is quite normal
    even a relatively minor component testing cycle is 3-4 months

    seems to me they need to lighten the weight of the tail assembly re centre of gravity
    not hard … but you will use more expensive materials to achieve that … that is the point

    looks a sound design to me … weight distribution … and engine tuning
    but it will cost more … no doubt in my mind

    my gut feel …. they can start mass production of most components after flight testing …
    tail will go heavily composites …
    I reckon 1 year from now …. 80% of major components (excluding tail) will go into mass production …

    whoever is making the tail …. will have their rear ends on fire ….
    quite ironic yes ….

    concurrent design …. some people are more "concurrent" than others …
    just ask George Orwell …..




    dino00
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    Il-112V light military transport  - Page 8 Empty Re: Il-112V light military transport

    Post  dino00 on Sun Apr 07, 2019 12:22 pm

    Nice name lol1 Nice post
    flamming_python
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    Post  flamming_python on Sun Apr 07, 2019 12:27 pm

    Don't mean to rain on the parade but the Il-112V has been rejected by the MoD
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    Post  LMFS on Sun Apr 07, 2019 12:56 pm

    flamming_python wrote:Don't mean to rain on the parade but the Il-112V has been rejected by the MoD
    Until they correct the overweight... or do you mean something different?
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    Gazputin

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    Il-112V light military transport  - Page 8 Empty its nothing unusual

    Post  Gazputin on Mon Apr 08, 2019 4:41 am

    there has never been any product on the Earth's surface that perfectly met the design target first time around …
    it is a perfectly normal situation …. if anyone tells you otherwise … you are talking to a liar

    that's why design projects have a series of 6-10 sign-off gates …. not one
    and normally take 1-2 yrs …. sometimes more

    ( I seem to remember the C-17 development going off the rail for years …. did they scrap that ?
    of course not its Murrican technulugy … perfect first time … every time
    oh hang on a minute … it was overweight …. over budget …. )

    its nothing new …. to be honest I thought the first flight went quite well











    GarryB
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    Post  GarryB on Mon Apr 08, 2019 7:56 am

    It is not that hard to sort out... they are only at the flying prototype stage... they might make some parts lighter or they could shift the wing or tail surfaces or even just change the angle limits of the flight controls... over the years there have been all sorts of issues and all sorts of solutions and of course getting the design right now is the most important thing because after it is in production, then problems that pop up are much harder to work out and solve... even the F-111 had issues with its tail surfaces that were not identified until about 6 didn't make it back from missions in Vietnam...

    The amount of energy and time invested in making these things and so many internet jockeys pop up and say it is not working... scrap it and make something else... like it was quick and easy.

    An-26s are going to be retiring in a few years time and their replacements need to be in production when they do... starting a new design right now is not an option...
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    Post  Tsavo Lion on Mon Apr 08, 2019 9:00 pm

    Sooner or later, problems will be solved:

    http://nvo.ng.ru/realty/2019-04-05/3_1040_aircraft.html?print=Y

    https://www.bbc.com/russian/features-47832536
    Vladimir79
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    Post  Vladimir79 on Mon Apr 08, 2019 9:35 pm

    LMFS wrote:
    flamming_python wrote:Don't mean to rain on the parade but the Il-112V has been rejected by the MoD
    Until they correct the overweight... or do you mean something different?

    Even if they fix it there still isn't enough payload for what we need. We need an aircraft with the capabilities of a C295.

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