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. [1] .

Two tanker versions of the B-29 Superfortress were developed and produced: KB-29M and KB-29P. The B-29 played an important role in developing the effective use of aerial refueling during the late 1940s. The first aircraft produced for aerial refueling was the KB-29M tanker which used a flexible hose approach.

Reconnaissance Aircraft and trainers of 1946-1970. A virtual aircraft encylopedia. History, Facts, Display Models. The newly formed Strategic Air Command quickly realized that it needed the means to extend the range of its aircraft. This resulted in the decision to create tankers. The B-29 was chosen as the first model for experiments.

Key Features; Sizes (mm) Standard Welding Position View(+) Shielding gas Polarity; 0.8~1.6: AWS A5.18 EN 14341-A EN 14341-B JIS Z 3312: ER70S-6 G 46 4 C(M) G4Si1 G 46A 4 U C(M) G6

kc-29 조선, 교량, 철골, 건출, 기계, 차량 등의 각종 구조물에서 연강 및 50킬로급 고장력강의 맞대기, 필렛 용접용. 탄산가스 또는 혼합가스 겸용으로 사용되며, 저전류와 고전류 영역에서도 아크가 안정적

The KC-29-6 Apex 7/16'' 6-Point Universal Extension Wrench, 1/4'' Male Hex Drive is manufactured using a proprietary steel and heat treat process that yields greater strength and a longer tool life.

製品の特性; Sizes (mm) Standard Welding Position View (+) Shielding gas Polarity; 0.8~1.6: AWS A5.18 EN 14341-A EN 14341-B JIS Z 3312: ER70S-6 G 46 4 C(M) G4Si1 G 46A 4 U C(M) G6

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Served as both carbon dioxide and mixture gas, and stable arc performance in almost welding current

Served as both carbon dioxide and mixture gas, and stable arc performance in almost welding current. EI. (%)