XB-36 tires

Two years ago, in 2013, I visited the Pima Air and Space Museum near Tucson, Arizona. One of the airplanes that really catches your attention in it is the bomber Convair B-36 Peacemaker, with its 10 engines: six turnin’ and four burnin’ (I wrote a post about it here).

Ten engines: "six turnin' and four burnin' ".

Ten engines: “six turnin’ and four burnin’ “.

When I wrote that post, I received the following comment from a reader, Ian C.

If you are ever back on this side of the pond, the National Museum of the Air Force has an XB-36 tire. It is just ridiculously large.

Last year, in 2014, we travelled again to the USA and this time we visited the National Museum of the Air Force (1) in Dayton, Ohio.

Let me close the loop by showing you this famous tire accompanied by some facts about it.

XB-36 tire

From the Wikipedia:

The XB-36 featured a single-wheel main landing gear whose tires were the largest ever manufactured up to that time, 9 feet 2 inches (2.79 m) tall, 3 feet (91 cm) wide, and weighing 1,320 pounds (600 kg), with enough rubber for 60 automobile tires. These tires placed so much pressure on runways, the XB-36 was restricted to the Fort Worth airfield adjacent to the plant of manufacture, and to a mere two USAF bases beyond that. At the suggestion of General Henry H. Arnold, the single-wheel gear was soon replaced by a four-wheel bogie. At one point, a tank-like tracked landing gear was also tried on the XB-36, but proved heavy and noisy and was quickly abandoned. (2)

(1) See here the post my brother Jaime wrote about our visit to it.

(2) This is not the post to do so, but it triggers the need to write one day about the California Bearing Ratio, doesn’t it?

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