[Charles Martel]

The pilot was able to set it down in the grass - damage looks minimal (though the radiator and scoop underneath were certainly crunched).

Prop hub failure... wonder if there's GoPro video from the inside (lots of warbirds carry cameras now).

[nascarnation]

Prop hub failure

It's one thing driving vintage cars where you coast to the curb after "tired iron" gives up. These airplane guys are more adventurous.