Definitely a B-36.

As said:

1. Tubular fuselage
2. High mounted wing
3. Air intake for pusher engine just under leading edge
4. Fuselage tapers up towards rear

Also, if you look under the intake, where the black/yellow striping of the board meets the wing, you'll see what I think is the tip of one of the blades. The B-36 had squared-off blade tips where the B-29's were rounded.

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Lonewulf