Boeing XB-39 Superfortress

Bomber Aircraft
Experimental and Record Aircraft

The Boeing XB-39 Superfortress was a United States prototype bomber aircraft. It was a single B-29 Superfortress converted to fly with alternative powerplants. The aircraft was intended to show that the B-29 could still enter service if its original engine choice, the air-cooled Wright R-3350 radial engine, encountered development or production difficulties.

Type: United States prototype bomber aircraft
Basis: A single converted B-29 Superfortress
Purpose: To demonstrate an alternative if the R-3350 had difficulties

Sources and credits

Article: Boeing XB-39 Superfortress (English Wikipedia)
Wikidata: Q580897
Text: Card text is adapted from the English Wikipedia article by an automated summary. Wikipedia content is available under CC BY-SA 4.0; see the article history for its contributors. CC BY-SA 4.0 · Article history and contributors
Illustration: By United States Army Air Forces. Public domain · File page on Wikimedia Commons
United States Army Air Forces, http://1000aircraftphotos.com/Contributions/McMahan/3319.htm
Modifications: Resized and converted to WebP
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