> Furthermore, if you were watching a barrel roll you'd see the aeroplane's nose turn towards you as an observer. That'd didn't occur.
Not if the entry trajectory is away from you, as is the case in all the videos I have seen - were you thinking of Tex's description of it as a chandelle here?
He uses the unqualified term 'roll' elsewhere in the interview, and the maneuver certainly qualifies, as the craft performed a 360-degree rotation around the longitudinal axis and finished on close to the entry heading. Movement of the camera to follow the aircraft may have concealed its barrel shape, but if you follow the fuselage orientation, you can see changes in heading consistent with a barrel roll, though possibly around an oval or pear-shaped barrel.
Regardless of what you call it, I don't think the maneuver as filmed could be performed at nearly 1G. I wonder if what Hoover was trying to convey was 1) he didn't go negative G, and 2) he didn't pull any more Gs than a chandelle, which, as you say, is a standard check-maneuver (I do not know if the latter is true (with respect to G forces), though the entry into, and exit from, a barrel roll have some resemblances to a chandelle.)
Not if the entry trajectory is away from you, as is the case in all the videos I have seen - were you thinking of Tex's description of it as a chandelle here?
He uses the unqualified term 'roll' elsewhere in the interview, and the maneuver certainly qualifies, as the craft performed a 360-degree rotation around the longitudinal axis and finished on close to the entry heading. Movement of the camera to follow the aircraft may have concealed its barrel shape, but if you follow the fuselage orientation, you can see changes in heading consistent with a barrel roll, though possibly around an oval or pear-shaped barrel.
Regardless of what you call it, I don't think the maneuver as filmed could be performed at nearly 1G. I wonder if what Hoover was trying to convey was 1) he didn't go negative G, and 2) he didn't pull any more Gs than a chandelle, which, as you say, is a standard check-maneuver (I do not know if the latter is true (with respect to G forces), though the entry into, and exit from, a barrel roll have some resemblances to a chandelle.)