Boeing KB-29

Boeing KB-29

Aircraft Infobox
name= KB-29
type=Strategic Tanker

caption = KB-29M refueling KB-29MR
designer =
first flight =
introduced = 1948
produced =92 KB-29M, 74 KB-29MR [ Baugher's Encyclopedia of American Aircraft] KB-29M/MR Details] , 116 KB-29P [ Baugher's Encyclopedia of American Aircraft] KB-29P Details]
retired =
status = retired
primary user = United States Air Force
more users =
number built =282 total conversions
unit cost =
developed from = B-29 Superfortress
variants with their own articles =

The Boeing KB-29 was a modified Boeing B-29 Superfortress for air refueling needs by the USAF. Two primary versions were developed and produced: KB-29M and KB-29P.

The 509th and 43d Air Refueling Squadrons (Walker AFB, NM and Davis-Monthan AFB, AZ respectively) were created in 1948 to operate the KB-29M tankers. The 303d Bombardment Wing at Davis-Monthan AFB flew B-29s and KB-29s from 1951 to 1953 that provided training for strategic bombardment and air refueling operations to meet SAC's global commitments. ['s 303d BW] Davis-Monthan AFB] Deployed at Sidi Slimane AB, French Morocco, Oct 5 - Nov 6, 1952.



: "Section source: Baugher and National [ [ National Museum Fact Sheet on KB-29M/MR variants] Official Site] "The B-29 played an important role in developing the effective use of aerial refueling during the late 1940s. The first aircraft involved in this programme were the KB-29M tanker and B-29MR receiver. At first, a grappling system was used; the tanker would unreel its hose towards the receiving aircraft, which would grab it and reel it in. After connecting with internal fuel compartments pumping would begin. While this system was clumsy, it was often used in the late 1940s before a better system was developed. It was most notably used to refuel the "Lucky Lady II" during her famous circumnavigation of the globe in 1949.

As better techniques developed for refueling, some KB-29Ms were modified to use 'probe-and-drogue' systems, in which the refueling hose has a torus-shaped "para-drogue" attached to the end, and the receiving aircraft has a probe on its nose or wing, which the pilot manoeuvers into the drogue to link the hose.

One KB-29M, redesignated YKB-29T, was modified to have another two refueling hoses on its wingtip. It served as the prototype for the KB-50D.


: "Section source: Baugher and National [ [ National Museum Fact Sheet on KB-29P variant] Official Site] "In an effort to improve on the probe-and-drogue system, Boeing developed a rigid flying boom system, which was first used on the KB-29P. The boom was mounted on the aftmost end of the KB-29P, and had two small wings. With these wings, the boom could be manoeuvered by the operator. The flying boom system became the most common method for In-Flight Refueling and was used on KB-50s and KC-97s and also on modern tankers such as the KC-135 Stratotanker and KC-10 Extender.


ee also

* B-29 Superfortress
* Boeing KB-50
similar aircraft=
* KC-97 Stratotanker
* List of military aircraft of the United States
* List of B-29 Superfortress operators
see also=
* Boeing B-29 Superfortress Survivors
* B-29 Superfortress variants


External links

* [ Baugher's Encyclopedia of Bombers] B-29 Index Page

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