TEDBF or ORCA Updates

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Any reason why we always go for Delta wing aircrafts? Any major advantage in the design? Both Eurofighter Typhoon and Rafale are also delta wings. But none of US fighter aircrafts are delta wings. They are all swept wing designs. AMCA being a exception I have seen.

I just hope TEDBF and ORCA doesn't take long in development time. I believe we will have a local Engine by 2030. All the systems which goes into TEDBF and ORCA would have been tested in MK2 like AESA Radar, avionics suite, sensor suite, EW, missiles etc. I hope designing and manufacturing TEDBF and ORCA has a short development and deployment span.

All fighters are swept wings only, some low swept, some high swept.
F-15 is slightly cropped delta with lower leading edge sweep angle (LESA).
F-16 is delta with lower LESA.
F-18 is perpedicular trapeze wing with very low LESA.
F-22 & 35 have cropped diamond wings, F-22 has higher LESA.

Delta is simple, high LESA means low drag, with high surface area/lift, so wing loading also high.
 
Any reason why we always go for Delta wing aircrafts? Any major advantage in the design? Both Eurofighter Typhoon and Rafale are also delta wings. But none of US fighter aircrafts are delta wings. They are all swept wing designs. AMCA being a exception I have seen.

I just hope TEDBF and ORCA doesn't take long in development time. I believe we will have a local Engine by 2030. All the systems which goes into TEDBF and ORCA would have been tested in MK2 like AESA Radar, avionics suite, sensor suite, EW, missiles etc. I hope designing and manufacturing TEDBF and ORCA has a short development and deployment span.
"old" delta design (as Mirage III) : low drag at high speed, big fuel in the wings. Strong design. Good instantaneous turn but low sustaining turning rate (loose big energy in sharp turns).

new pure delta design (as Mirage 2000 with FBW) : same quality but lower takeoff and landing speed, better agility.

modern delta + active coupled canards (as Rafae, Gripen but not EF2000) : higher load capacity, slower takeoff and landing speed, better agility.

EF2000 is a long arm canards delta config. It was studied with vectored thrust in mind, but never installed. It is not as potent as coupled canards (compare the load capacity of the slightely smaller Rafale and the EF2000 one).


The delta plan form is more a european specialty.
At the begining, for Dassault, it was because SNECMA was unable to deliver high thrust engine, so they choose delta becasue of the need to reach mach 2+ and this config was the one with smaller drag. And we improve it thanks to FBW, canards.
 
"old" delta design (as Mirage III) : low drag at high speed, big fuel in the wings. Strong design. Good instantaneous turn but low sustaining turning rate (loose big energy in sharp turns).

new pure delta design (as Mirage 2000 with FBW) : same quality but lower takeoff and landing speed, better agility.

modern delta + active coupled canards (as Rafae, Gripen but not EF2000) : higher load capacity, slower takeoff and landing speed, better agility.

EF2000 is a long arm canards delta config. It was studied with vectored thrust in mind, but never installed. It is not as potent as coupled canards (compare the load capacity of the slightely smaller Rafale and the EF2000 one).


The delta plan form is more a european specialty.
At the begining, for Dassault, it was because SNECMA was unable to deliver high thrust engine, so they choose delta becasue of the need to reach mach 2+ and this config was the one with smaller drag. And we improve it thanks to FBW, canards.
What's the timeline of FCAS and it's current status?
 
What's the timeline of FCAS and it's current status?
Difficult.
Seems that they will show to the Sp + D + Fr top brass 3 differents config so as to choose the best one to prepare for Phase 2 : building a prototyp flying for 2029.

2040 seems now too early to see it entering in the forces. 2045 is now the target.
 
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