Horten Ho-IX / Gotha Go 229

1945

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  JET FIGHTERVirtual Aircraft Museum / Germany / Horten  

Horten Ho-IX / Gotha Go 229

The Horton Ho IX twin-jet tailless fighter-bomber, of which two prototypes were flown before the end of the war, was of extremely advanced design, which benefited from considerable experience gained by the brothers Reimar and Walter Horten in the development of flying-wing aircraft, of which the majority were gliders. Designed by Sonderkommando 9, starting in 1942, the first prototype Ho IX VI was found to be unable to accommodate the two intended BMW 109-003-1 turbojets owing to an unforeseen increase in engine diameter, and it was therefore flown as a glider at Oranienburg during the summer of 1944. The redesigned Ho IX V2 was fitted with two Junkers 109-004B-1 turbojets and flown successfully at Oranienburg, demonstrating speeds of up to 960km/h before it was destroyed while making a single-engine landing. Such promise encouraged the RLM to instruct Gothaer Waggonfabrik to assume development of the design, and a third prototype, the Go 229 V3, was produced with 1000kg thrust Jumo 109- 004C turbojets, but was prevented from flying by the end of hostilities in May 1945. Work had also started on the two-seat Go 229 V4 and Go 229 V5 night-fighter prototypes, the Go 229 V6 armament test prototype, and the Go 229 V7 two-seat trainer, No progress had been made on 20 pre-production Go 229A-0 fighter-bombers, on order at the end of the war, that were intended to carry two 1000kg bombs and four 30mm MK 103 cannon.

Horten Ho-IX / Gotha Go 229

Specification 
 MODELHo-IX V2
 CREW1
 ENGINE2 x 2 x Jumo-004, 900kg
 WEIGHTS
  Take-off weight6900 kg15212 lb
  Empty weight4844 kg10679 lb
 DIMENSIONS
  Wingspan16.8 m55 ft 1 in
  Length7.2 m24 ft 7 in
  Height2.6 m9 ft 6 in
  Wing area52.8 m2568.33 sq ft
 PERFORMANCE
  Max. speed960 km/h597 mph

3-View 
Horten Ho-IX / Gotha Go 229A three-view drawing (1690 x 1130)

Comments1-20 21-40 41-60 61-80
Jim Kleiner, e-mail, 30.06.2009 07:16

This aircraft was a Horten IX(9) or a H-229 v3, not a Go-229 (even if Goethaerfabrik were to build them). The Hortens developed the Nurflugel (all-wing) aircraft up from gliders starting in the early 1930's. They designed, tested and flew some 40 (or more) gliders and motorized airplanes with little support from any major manufacturers (or established aeronautical engineers). The Hortens were true aviation pioneers. Thank you both, Reimar and Walter.

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Mike, e-mail, 29.06.2009 19:07

Last night (6-29-09) The National Geographic Channel ran a program on the Horton 229 /Ho IX. The aircraft was built from scratch (a full size reproduction) using original plans and tested against 1940's radar. A beautifull plane and a spectacular show! It waill air again on July 15. Check the link for more:
channel.nationalgeographic.com /episode /hitler-s-stealth-fighter-3942 /Overview12#tab-Photos /14

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Fred Wesselius, e-mail, 29.06.2009 16:23

Looks to me very similar to the Komet without the vertical stabilizer. The German engineers were extremely innovative. U.S. and U.S.S.R. later copied and took credit for many of their ideas.

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murray, e-mail, 27.06.2009 04:57

if hitler could have massed produced the me-262, long enough to make the horton go-229 into a bomber , then what would ww2 could have been like ? stalin would have been driven out of moscow.... a possible stale mate with the west ?

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Ron, e-mail, 17.06.2009 14:59

Does anyone know where I may be able to get plans suitable for Radio Control Model build of the XII and Ho229
Any help appreciated

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ringo, e-mail, 17.05.2009 06:36

i have a modle of this plane and it is magnifisant

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leo rudnicki, e-mail, 09.04.2009 23:27

Nice comments, Jeff. Every aircraft builder based his designs on something before except two brothers from Ohio. The tried to copy lilienthal but found nis data flawed. And engineers and designers build aircraft. Demented,power-crazed murderers become nazis or stalin. Burgess- Dunne may have "invented" the flying wing when Jack and the Hortens were in diapers. And doesn't anyone care that this aircraft, suitably treated with RAM, ferrite paint, carbon laminate,conical jet intake spike and RAM baffles and a gold tinted canopy, could have been the first generation stealth airplane if only the myriad technological and metallurgical hurdles facing proper engine manufacture had been solved. I heard they did use carbon /sawdust in the skinning.

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Jeff, e-mail, 06.04.2009 18:53

(Kong) Electric Flight International has some nice plans that are for the Ho IX and uses a pair od WeMoTec ducted fans with a 68.5" (1740mm) wingspan. The ribs are all built up, not sheet, so it can be safely enlarged. I got my plans from an Ebay supplier.

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Jeff, e-mail, 06.04.2009 18:46

(BoydKid) The Northrop N9M and Horton Go 229 were designed separately at about the same time, without the knowledge of the other (AFAIK). The N9m first flew in 1941, 4 years before we aquired the Go 229 at the end of the war.

en.wikipedia.org /wiki /Northrop_N-9M

Jack Northrop had a national reputation for an interest in flying wings before the war (and before we recovered wing technology from Germany). He got permission to use the wing plans and materials for aircraft consideration.

The US Government nixxed any flying wing plans, not Northrop (Northrop wanted to continue, but lost Federal funding), on the grounds that there were other designs that were more acceptable platforms, better handling, cheaper, conventional, and /or easier to build.

(Castle22R) Hitler didn't Concieve this design, the Horton brothers did, and Goering gave the official authority to build it. Hitler had no part in it but to give his ok to Goering.

I hope the NASM does restore this plane and display it with their Me 262 in the same exhibition hall, perhaps with some Mustangs and P-38's and a N9M.

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Kong, e-mail, 19.02.2009 18:50

Hi there,
Is there anywhere that I can find the original plans of Horten GO-229?
Best regards,
Kong

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J P Brito, e-mail, 15.01.2009 01:32

If you'll take the time to explore in detail another great website, www.luft46.com, you'll see how advanced the German aerospace investigation was by late wartime (also NASA took huge profits on this), fortunately that Hitler and the people sorrounding him were blind enough to save us from bigger troubles :-)

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wayne holmes, 13.01.2009 03:31

Where is the Horten XVIII Amerika bomber ??

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Boyd Kidd, e-mail, 06.01.2009 19:59

You think that is Bad?
look at the stupidity demonstrated by the United States.
It first of all has all of this technology, with copies dropped into their hand at the Wars end.
What does it do with it? I locks it away for 50 - 60 - 70 Years until some dummy comes along and says what is this.
Then we take off running ninety on a thrity mph track telling the world about all of this new Technology! In a pigs eye new. The bottem line here is that that Russians understood what they got, looked at it immediately, put it into service or set it asside, developing their weapons from the AK through A Bomb based on German designs. While at the same time, we went back to sleep, hell the War was over!

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fabio, 04.01.2009 14:34

A Wonderfull Flying Wing!!! Iam wanted Skins For This Beautifull Flying Wing !!!

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bao, e-mail, 02.01.2009 16:41

Now there are only one survival go 229 protype there was good flying wing fighter

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Valentin, e-mail, 18.11.2008 22:17

Do you have the dawing of GO 229?
If who have sand my plise

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Volker Steiger, 01.10.2008 17:41

You can fly this baby in IL2, a famous Flightsim for PC. They designed the model based on original plans.

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Joshrv144, e-mail, 26.09.2008 03:31

Best fighter in the Luftwaffe at that time in my opinion. The Horten Ho 229 looks similar to the XB-35, YB-49 and the B-2

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Engel, 24.08.2008 11:34

Wings are available !

B2 might have only looked like a copy would this aircraft already have been restored and on display.

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L.Head, e-mail, 28.07.2008 15:45

war ended and the advanced tech info goes to Jack Northrop..

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1-20 21-40 41-60 61-80

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