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VEVAK

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Oct 24, 2013
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We have access to FJ-44 or at least FJ-33 since rq-170. And do you believe Al-21 would be suitable for heavy iranian airplane that will come at least 10 to 15 year in future . we are working on f-5 size airplanes . we start production of jahesh-700 . the next step is moving from that not moving from J-85 .

By puting developement money on turbofan engine not vasting it on turbojet engine.
That high trust fighter wont come sooner than 10 to 15 year in future and till then we only see airplanes in size of f-5 and big drones and engines like FJ-44 and what we can improve on it is what we need not Al-21 like engines that wont help us in developing a heavy turbo fan engine.
And we are not supposed to use Jahesh 700 in those aircraft . we are supposed to learn from it and develope it to the next step which is something like FJ-44 which is good for big UAVs and light trainer and het and then develope heavier engine in class of Al-31 or F-414 and RD-93
We also not only have access to LOW BYPASS TF-30's but have years of experience working with them and know exactly where it's flaws are and what parts to try to redesign & or attempt to improve upon....

Production of Fj44 may be good for civilian use and should be taken up by civilian organization or Iran's civil aviation but it's R&D & production cost both in terms of funding and human resources most definitely should NOT be coming out of the budget of Iran's Defense Industry or Iran's Air Force.

Production of yet another weak engine for yet another light fighter/trainer does not address Iran's requirements for interceptors

Every country has limits to it's resources and the consequences of putting resources into yet another weak engine means that the time frame of 10-15years for a high thrust heavy fighter will yet again be delayed for yet another decade!
I don't think there is a single country on the planet that has gotten as much use out of it's fleet of fighters (any fighter) than Iran's gotten out of it's F-4's & F-14 however, innallaha la yohebbul mosrifeen ham haddi darreh! It's like saying I'm gonna go barefoot so I don't waist money on shoes and end up paying 1000 times more in doctor fees as a result...

how many subsonic jet trainer designs is Iran going to waist it's limited resources on? enough is enough!

In terms of low thrust engine the natural course of improvements and development of OWJ and Jahesh-700 engines will be sufficient to accommodate Light Fighter, Trainers & UCAV's

As for UCAV's, j85's are comparatively easy to mass produce which makes them ideal for UCAV's and Iran can potentially design a twin engine supersonic UCAV around that engine

For the next decade the priority needs to be high trust high speed fighters to address Iran's requirements for Interceptors/Air Superiority fighters and Iranian researchers & engineer need to work on developing the tools and infrastructures needed to produce high trust engines and conducting R&D on more powerful powerplants with the goal of one day producing an engine capable of sustaining 2000kph not some low thrust engine that's never been put on anything faster than the Karrar UCAV.

And working on improving AL-21 or TF-30 would get Iran far closer to the AL-31 than the production of the Fj44 or Jahesh700 ever could!
 

Hashirama

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Some member in this forum said that Iran had already reverse engineered AL 31 from Venezuela and They was working on heavy fighter jet. Is this info reliable?
 

Hack-Hook

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In terms of low thrust engine the natural course of improvements and development of OWJ and Jahesh-700 engines will be sufficient to accommodate Light Fighter, Trainers & UCAV's
what you call sufficient use twice as much fuel and a light fighter with an engine in class of FJ-44 can have a combat radius of twice as much as the same fighter with OWJ as engine.

an interceptor with a turbojet engine instead of Turbofan Engine will look more like a Tanker than a Fighter, so no developing on Jahesh-700 is better for Iran fighter program and drone program than trying to build a heavy Turbojet engine . and Iran army knew it as when they introduced Owj they announced they were working on a Turbofan bigger engine in class of 50 kn and that will be something in class of RD-33 and RD-93 or F-404
 
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Mr Iran Eye

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Except it wont be a good engine and it need research and developement . that research and resource can be focussed on a turbofan engine. And we wont see any iranian heavy fighter in the next 15 year. In 15 year you can develope fj-44 into something in class of Rd-33 or Rd-93 . meanwhile it can replace owj in our trainer and f-5 size fighters.
- And we wont see any iranian heavy fighter in the next 15 year -

:haha::lol::rofl:
Iran is gonna make you lie a lot faster than you think
 

Mr Iran Eye

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we won't see any plan for Iran heavy fighter by that time . are you ready bet on that
Absolutely, absolutely, you are going to lose your bet very, very quickly. You are not very alert on the small details but Iran will be able to surprise you powerfully. Your speculations are not real
 

mohsen

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Feb 26, 2012
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What a f@cker!

"contrary to claims raised by critics, has nothing to do with the F-5 fighter aircraft"

So their next plan is another "Nothing to do with ..."!
 

VEVAK

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Oct 24, 2013
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Some member in this forum said that Iran had already reverse engineered AL 31 from Venezuela and They was working on heavy fighter jet. Is this info reliable?
F-16 F-100 engines maybe but neither Iran nor Venezuela would risk relations with Russia over it...
So unless the Russians gave their blessing it's highly unlikely.

At best, Iran with the full blessing of the Russian borrowed or purchased 1 engine for testing., to test it's viability and use in Iranian terrain. That would be the maximum extent of it...
 

VEVAK

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Oct 24, 2013
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what you call sufficient use twice as much fuel and a light fighter with an engine in class of FJ-44 can have a combat radius of twice as much as the same fighter with OWJ as engine.

an interceptor with a turbojet engine instead of Turbofan Engine will look more like a Tanker than a Fighter, so no developing on Jahesh-700 is better for Iran fighter program and drone program than trying to build a heavy Turbojet engine . and Iran army knew it as when they introduced Owj they announced they were working on a Turbofan bigger engine in class of 50 kn and that will be something in class of RD-33 and RD-93 or F-404
Fj-44 or an Iranian version of it will NEVER be sufficient for a viable supersonic fighter jet or UCAV. A viable subsonic trainer sure, but a supersonic fighter NEVER! And it's development or improvement will no more help Iran in developing a high trust supersonic engine than the Jahesh-700 has done already which is basically a smaller diameter version of the same engine.... So there is no significant leap!

As for Owj being sufficient for UCAV's it absolutely is and Iran would be better off working on increasing range through weight & drag reduction of whatever airframe they chose to equip them with.

OWJ engines simplistic and comparatively rugged design makes it ideal for supersonic UCAV's because it's comparatively cheap to both produce and maintain. On top of the fact that it has room for simple improvements like improving the ball brings, improving the combustion chamber & fuel injectors, improving the design of the afterburners and exhaust....
 

yavar

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Mar 20, 2013
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At time index 01:40 he refers to the two planes (kowsar & yasin) as having many generic parts. Are these "generic" components off the shelf things that can be acquired from the bazaar? Does he mean wires and display panels and little subsystems?
Yes he means domestically privat company
 
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Hack-Hook

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Fj-44 or an Iranian version of it will NEVER be sufficient for a viable supersonic fighter jet or UCAV. A viable subsonic trainer sure, but a supersonic fighter NEVER! And it's development or improvement will no more help Iran in developing a high trust supersonic engine than the Jahesh-700 has done already which is basically a smaller diameter version of the same engine.... So there is no significant leap!

As for Owj being sufficient for UCAV's it absolutely is and Iran would be better off working on increasing range through weight & drag reduction of whatever airframe they chose to equip them with.

OWJ engines simplistic and comparatively rugged design makes it ideal for supersonic UCAV's because it's comparatively cheap to both produce and maintain. On top of the fact that it has room for simple improvements like improving the ball brings, improving the combustion chamber & fuel injectors, improving the design of the afterburners and exhaust....
Owj is fuel hungry and is not sufficient for UAVs . what part of it is hard to understand . an airplane with a turbojet engine needs nearly twice as much fuel to do the job that the same airplane with simillar power Turbofan engine needs to do the same job ,
the difference will be like the difference of Mig-25 and Mig-31

going after turbo jet is waste of ressource and there is a lot difference going from Jahesh-700 to something like FJ-44
As for Owj being sufficient for UCAV's it absolutely is and Iran would be better off working on increasing range through weight & drag reduction of whatever airframe they chose to equip them with.

OWJ engines simplistic and comparatively rugged design makes it ideal for supersonic UCAV's because it's comparatively cheap to both produce and maintain. On top of the fact that it has room for simple improvements like improving the ball brings, improving the combustion chamber & fuel injectors, improving the design of the afterburners and exhaust....
you want to waste limited fuel your uav carry on after burner. and A UAV with FJ-44 will have twice the endurance of the same UAV with owj then how you claim its absolutely sufficient for uav. your uav is not a suicide UAV so you try make it cheap .
 

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