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AH-21/B - Seth by exizt AH-21/B - Seth by exizt
Concept and idea

The AH21/B, codename "Seth", is the latest version of the ATH21/A "Khamsin". Both designs are based on two grand designs. The very first concept model is from the mechanical designer Shōji Kawamori, a Japanese anime creator, screenwriter and mechanical designer. His helicopter is known as the "AFH-02B Hellhound", which have his own role in the "Patlabor 2" movie. Second design is made by the digital artist Talros (Daniel Graffenberger), who gives the Hellhound a more modern look in his Patlabor tribute painting.
I have to thank these two artist again. They inspire me and push me forward to do this rework project.

Both helicopter models have its own assets and drawbacks. The original design have a very advantageous feature. It can fold the wings and rotorblades. That enables a transport in a special cargo container. The clearly viewable armament speaks for itself.

The Hellhound is a great looking design, but it have a few disadvantages and want to correct them and add improvements and upgrades. The obvious changes are the switch from a NOTAR-System to a Koaxial-Rotor. Why? Because you cannot autorotate with NOTAR Systems. Military Helicopter need this ability. Other changes: more hardpoints for armament, counter-measures, revolver-cannon, Low-Air-Speed-Data-Sensor, the engines, fuel-probe, real working landing gear, Cockpit etc...

I rebuild over 90% of the old model. That was necessary to give the whole model a more realistic look and a good clue to work with the right dimensions. More details in the discription.


References and Artist information

Shōji Kawamori:
[link]

[link]

[link]

Talros:
[link]



Discription

The AH21/B, codename "SETH", is the latest version of the ATH21/A "Khamsin". The typename was changed, in consequence of the grown task profile, from a Anti Tank Helicopter, to a Attack Helicopter, which also fits his role for CP (Close Protection), CCA (Close Combat Attack) and LTPS (Long Term Patrol or Standby).

ASDS modified the frame to reduce the weight and improve the resistance through centrifugal forces during flight. Critical spots, like the new modular cockpit section, fuel tanks, main gear and engines, were reinforced with armor plates and special ballistic plastics. The MCS (Modular Cockpit Section) have a new armored frame. The windshields itself, resists projectiles up to 20mm and is vacuum-metalized with a nano-regulated amorphous alloy, that protects the pilot and weapon operator from a variety of laser beams and dazzle effects.

ANTARES equipped the SETH with a huge band width of counter measures and sensor phalanx. Active jammers, stealth hull protective-coating to reduce a successful radar lock on, CFES (Chaff/Flare-Ejector System) and six RALB-Detector Prism (Radar and Laser Beam). Two EEU (Electronic Eye Units) gives Pilot and Weapon Operator a 360° view around the helicopter. The ARRG (Active Radar Recon Gear) can be used to identify targets control non-autonomous guided Air to Air/Air to Ground-Missiles. ASDS added a new HSDM (Heat-Signature-Distortion-Module) at the engine exhaust.

ASDS also give the Bravo version new increased-power rated engines. This step was necessary to compensate deficits while using the CDFU (Cyclone Dust Filter Unit) or during high altitude missions. Nevertheless, the engines have enough power to transmit into the main gear, that drives the Coaxial-Rotor with all six SSP-Blades (Sub- and Supersonic Profile). Using a HiRCoR (High Rotation Speed Coaxial Rotor) was a courageous step, because of the high maintenance effort, but it also gives the SETH a unreached maneuverability for this helicopter class, very high takeoff weight and speed in each direction.

All high power-reserves have a price. To prevent the SETH getting out of fuel during longer operations or ferry flights, the helicopter is equipped with a fuel probe to dock on tankers. In addition to that, the ground crew can optionally mount one or two tanks instead of a effector pack at the inner hard points.

The AH21/B can carry and manage (without the main cannon) six, independent from each other, effector packs.
Available effector packs are MAAS-Dragonfly (2x per mounting bracket), 75mm MPR (38x per mounting bracket), MP-AA/AG-Swarmer (16x per mounting bracket), AG/AT-Missile (5x per mounting bracket).
Softwaremods at the MFCU (Main-Fire-control-Unit) allowing to use other effector packs

ASDS and ANTARES replaced the old 30mm rotary cannon through a new select-fire, dual-feed, 30mm Revolver Cannon (AtGRC30). That allows the Weapon-Operator to use two different ammunition types. Overall, the cannon is technically caused, lighter, service reduced and more accurate.
Add a Comment:
 
:iconjasonwolfe:
JasonWolfe Featured By Owner Feb 1, 2015
Reminds me of the Jigabachis from Ghost in the Shell.
Reply
:iconexizt:
exizt Featured By Owner Feb 2, 2015  Hobbyist Digital Artist
Yes, but better :)

I think the basic design (Hellhound) is from the same studio. But thats a extrem modified variant. Based on my military service, I have a litle bit knowlede about helicopters and other things, so I can use that for my artworks and I try to improve mechnical designs or refine it.
Reply
:iconuniverse-of-dusk:
Universe-of-Dusk Featured By Owner Dec 7, 2014  Hobbyist Digital Artist
This is awesome! Check out my scifi gallery too! :D
Reply
:iconlavadog420:
lavadog420 Featured By Owner Oct 20, 2014  Hobbyist Artist
superb work. i love what you have done  gunship, it's breath-taking, the improvements to the design are stellar and right on the money. keep up the fantastic work
Reply
:iconexizt:
exizt Featured By Owner Oct 24, 2014  Hobbyist Digital Artist
Many thanks for your comment :)
Reply
:iconlavadog420:
lavadog420 Featured By Owner Oct 25, 2014  Hobbyist Artist
no prob, i have a bit of a thing for tech
Reply
:iconlevitan71:
levitan71 Featured By Owner Sep 30, 2014  Hobbyist General Artist
wow :O
Reply
:iconwengaiden:
wengaiden Featured By Owner Sep 9, 2014
the big brother from AH-64 Apache no?
Reply
:iconsapphire-industries:
Sapphire-industries Featured By Owner Apr 9, 2015  Student Interface Designer
looks more like A hind
Reply
:iconexizt:
exizt Featured By Owner Sep 11, 2014  Hobbyist Digital Artist
Oh yeah! More power in every case :)
Reply
:iconsapphire-industries:
Sapphire-industries Featured By Owner Apr 9, 2015  Student Interface Designer
it's more like a hind in my opinion XD
Reply
:icongunny22:
Gunny22 Featured By Owner Mar 20, 2014
hey there can you provide a view from each side front, rear above an below?
looks stunning even if the gun is way to big^^
Reply
:iconexizt:
exizt Featured By Owner Mar 22, 2014  Hobbyist Digital Artist
Yeah, the gun is big, but its much more believable than the original from the Hellhound.

I could do a new render for other perspektives, but I think I dont do that, because its to much effort for a already finished projekt.
Reply
:icongunny22:
Gunny22 Featured By Owner Jul 3, 2014
do you got a 3dmodel of it? would love to port that little fellow to ARMA 3 :-) if that is okay for you.
Reply
:iconexizt:
exizt Featured By Owner Jul 8, 2014  Hobbyist Digital Artist
Yes, I have a 3D Model. But I dont think its usable for a Game, becouse of the modelling technique. In addition, I dont want to give it away for free, becouse I spend to much time and work for it.
Reply
:icongunny22:
Gunny22 Featured By Owner Jul 18, 2014
to bad, but i understand. would really love to see a side and front view of the chopper :-)
Reply
:iconunb3kann1:
Unb3kann1 Featured By Owner Mar 1, 2014
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Reply
:iconfal-lan-storm:
FaL-LaN-Storm Featured By Owner Feb 26, 2014
a Group in Second Life has this same gunship think its 2142 group
Reply
:iconexizt:
exizt Featured By Owner Feb 28, 2014  Hobbyist Digital Artist
How can they have a gunship in Second Life? I thought this is a RPG with costumes. And how can they have MY gunship?
Reply
:iconfal-lan-storm:
FaL-LaN-Storm Featured By Owner Apr 2, 2014
some one made a model of this and uploaded the mesh for there use just sayin iv seen it in there 
Reply
:iconexizt:
exizt Featured By Owner Apr 11, 2014  Hobbyist Digital Artist
Thanks for the information. Maybe I can find and look at it.
Reply
:iconexizt:
exizt Featured By Owner Feb 23, 2014  Hobbyist Digital Artist
Thanks for your comment!

You dont need a tailrotor or somthing for torque balance, because we have a coaxial rotor system.
Reply
:iconsid-trotska:
Sid-Trotska Featured By Owner Feb 22, 2014  Hobbyist Photographer
Beautiful job :D

But where's the fenestron?Or is it a NOTAR helicopter?
Reply
:iconexizt:
exizt Featured By Owner Feb 23, 2014  Hobbyist Digital Artist
Thanks for your comment!

You dont need a tailrotor or somthing for torque balance, because we have a coaxial rotor system.
Reply
:iconstokeman:
stokeman Featured By Owner Oct 25, 2013
I noticed the homing 'swarm launchers' and I could only think of the trope 'Macross Missile Massacre' xD
Reply
:iconxenomorphia-master66:
Xenomorphia-Master66 Featured By Owner Oct 2, 2013
Wicked! Great design! Let's hope we see this heli in the future.
Reply
:iconexizt:
exizt Featured By Owner Oct 4, 2013  Hobbyist Digital Artist
Haha. I hope I'm on the right side, when this machine is in action :)
Reply
:iconxenomorphia-master66:
Xenomorphia-Master66 Featured By Owner Oct 5, 2013
Me too, but i think your design needs more credit. America, a word from Britain:

Build the damn thing.
Reply
:icontemplar127:
templar127 Featured By Owner Aug 23, 2013
:iconbadassplz:Time to own some bitches!
Reply
:iconlastbullet2:
lastbullet2 Featured By Owner Jun 24, 2013
wow, so awesome
Reply
:iconrusberkut:
RUSBERKUT Featured By Owner Jun 13, 2013  Hobbyist Digital Artist
Looks like chopper heli from Ghost in the Shell!!! Niiiiice!!!!
Reply
:iconexizt:
exizt Featured By Owner Jun 14, 2013  Hobbyist Digital Artist
Thanks for commenting! :)

One of the references was the Hellhound from "Patlabor 2".
Reply
:iconarchaickeeper:
ArchaicKeeper Featured By Owner Jun 12, 2013
I've always liked your "Khamsin" design, but I love its upgrade. Bravo!
Reply
:iconkarli2:
Karli2 Featured By Owner Jun 10, 2013  Hobbyist General Artist
That is a damn sexy payload on such a badass machine. This is more badass future weaponry then your standard anime mecha.
Reply
:iconnobbe42:
nobbe42 Featured By Owner Jun 10, 2013
Extraordinary work!
Reply
:icontalros:
Talros Featured By Owner Jun 9, 2013  Professional Digital Artist
Man that's just awesome, great work ! :) :+fav:
Reply
:iconexizt:
exizt Featured By Owner Jun 9, 2013  Hobbyist Digital Artist
Dankeschön! :)
Reply
:iconblitzjaeger:
BlitzJaeger Featured By Owner Jun 9, 2013
Very nice job! Love the mecha/anime styled weapons and shapes. Great detailing and aesthetically pleasing designs. you have put a lot of work into this! Even doing the specifications and what not is a nice touch. I will mention that on your stats at the top you need to switch the 't' and 'h' in "length" and add a 't' to "height". Minor details, just thought you'd like them to be perfect =)

Great work overall, very impressive!
Reply
:iconexizt:
exizt Featured By Owner Jun 9, 2013  Hobbyist Digital Artist
Ah damn! I think I've read the fucking discription 30 times and didn't see it! :) English isn't my native language, but I hope it is enough for my stuff :)

Anyway, thanks for your comment and commendation!
Reply
:iconblitzjaeger:
BlitzJaeger Featured By Owner Jun 9, 2013
I know how it goes. As a writer I re-read my own work repeatedly only to have the first editor find mistakes immediately. Its frustrating! I think artists get so focused they get tunnel vision and miss simple things...

That aside, no worries. Still a fabulous piece to be proud of, very nice job and Im looking forward to more thats similar! =)
Reply
:iconkahunasniper:
KahunaSniper Featured By Owner Jun 9, 2013  Hobbyist Writer
I read through the bit about the rotor and the rotor-head and how it would help with certain things, as well as the talk between you and Dystatic-Studio and that told me you know your stuff. I have a question though. Why didn't you take a page from the U.S. Marine Corps book and go with Quad-Rotorblades like they did with the new variant AH-1Z Viper and UH-1Y Vemon. The point to upgrading to the Quad-Rotorblades on the rotor-head was to lessen the produced sound-signature so your enemy couldn't pick up on you as quickly and it would also be harder to tell where the attack chopper was coming from.

Other than that, this is a really great design. I like it a lot. Good job.
Reply
:iconfullmetal-fox:
Fullmetal-Fox Featured By Owner Jun 9, 2013  Hobbyist Digital Artist
On Sound Signature, there is even better stuff than a Quad-Rotor, for example the Eurocopter Blue Edge Design, works with most Blade Amounts.
A small sound demonstration: [link]
Reply
:iconkahunasniper:
KahunaSniper Featured By Owner Jun 9, 2013  Hobbyist Writer
Very interesting concept there. I'll have to look more into that. Thank you for sharing.
Reply
:iconfullmetal-fox:
Fullmetal-Fox Featured By Owner Jun 9, 2013  Hobbyist Digital Artist
Youre Welcome :)
Since your interested in it, another Video about the Blue Edge Design, showing how it works: [link]
And another Video about the Blue Pulse System, a different more active approach at reducing noise and even frame vibrations: [link]
Reply
:iconkahunasniper:
KahunaSniper Featured By Owner Jun 10, 2013  Hobbyist Writer
That second video doesn't exist, but I like he concept. Very nice.
Reply
:iconfullmetal-fox:
Fullmetal-Fox Featured By Owner Jun 10, 2013  Hobbyist Digital Artist
My bad, didnt copy all letters of the videos ID, sorry :x
[link]
Reply
:iconkahunasniper:
KahunaSniper Featured By Owner Jun 10, 2013  Hobbyist Writer
Wow. I'm not going to lie. That's beautiful.
Reply
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June 9, 2013
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