. "SCOA-P pattern wheels are a type of steam locomotive wheel. Rather than having traditional solid spokes, the SCOA-P spoke is hollow, with a 'U' shaped cross section. They are considerably lighter than a conventional spoked wheel or Boxpok wheel of the same size and strength."@en . . . . . . . . . . . "7678193"^^ . . "SCOA-P pattern wheels are a type of steam locomotive wheel. Rather than having traditional solid spokes, the SCOA-P spoke is hollow, with a 'U' shaped cross section. They are considerably lighter than a conventional spoked wheel or Boxpok wheel of the same size and strength."@en . . . . . . . . . . . . . . . . . . . . "4605"^^ . "SCOA-P wheel"@en . . . . . . . . . . . . . "1089913120"^^ . . . . . . . . . . . . .