A cohesion-type drive , comprising: a) a casing ; b) a shaft rotatably supported in the casing for rotation about a drive axis in a circumferential forward direction; c) a disc pack supported in the casing coaxial with the shaft and fixed to rotate therewith, the disc pack including a plurality of discs spaced axially apart from one another by disc spaces , the disc spaces comprising a plurality of compression chambers and a plurality of turbine chambers , the turbine chambers alternating axially with and in fluid isolation of the compression chambers; d) a hub manifold in the casing radially inward of the disc pack, the hub manifold including: a hub body coaxial with the drive axis, a compression chamber inlet ductwork internal the hub body and in fluid communication with the compression chambers for conducting a first fluid into the compression chambers to compress the first fluid during rotation of the disc pack in the forward direction, and a turbine chamber outlet ductwork internal the hub body and in fluid communication with the turbine chambers for evacuating a second fluid from the turbine chambers, the turbine chamber outlet ductwork in fluid isolation of the compression chamber inlet ductwork; and e) a shroud manifold in the casing radially outward of the disc pack, the shroud manifold including: a shroud body coaxial with the drive axis, a compression chamber outlet ductwork internal the shroud body and in fluid communication with the compression chambers for evacuating the first fluid from the compression chambers, and a turbine chamber inlet ductwork internal the shroud body and in fluid communication with the turbine chambers for conducting the second fluid into the turbine chambers to urge rotation of the disc pack in the forward direction, the turbine chamber inlet ductwork in fluid isolation of the compression chamber outlet ductwork, wherein at least one of the hub manifold and the shroud manifold is fixed to rotate with the shaft about the axis. a) a casing ; b) a shaft rotatably supported in the casing for rotation about a drive axis in a circumferential forward direction; c) a disc pack supported in the casing coaxial with the shaft and fixed to rotate therewith, the disc pack including a plurality of discs spaced axially apart from one another by disc spaces , the disc spaces comprising a plurality of compression chambers and a plurality of turbine chambers , the turbine chambers alternating axially with and in fluid isolation of the compression chambers; d) a hub manifold in the casing radially inward of the disc pack, the hub manifold including: a hub body coaxial with the drive axis, a compression chamber inlet ductwork internal the hub body and in fluid communication with the compression chambers for conducting a first fluid into the compression chambers to compress the first fluid during rotation of the disc pack in the forward direction, and a turbine chamber outlet ductwork internal the hub body and in fluid communication with the turbine chambers for evacuating a second fluid from the turbine chambers, the turbine chamber outlet ductwork in fluid isolation of the compression chamber inlet ductwork; and e) a shroud manifold in the casing radially outward of the disc pack, the shroud manifold including: a shroud body coaxial with the drive axis, a compression chamber outlet ductwork internal the shroud body and in fluid communication with the compression chambers for evacuating the first fluid from the compression chambers, and a turbine chamber inlet ductwork internal the shroud body and in fluid communication with the turbine chambers for conducting the second fluid into the turbine chambers to urge rotation of the disc pack in the forward direction, the turbine chamber inlet ductwork in fluid isolation of the compression chamber outlet ductwork, wherein at least one of the hub manifold and the shroud manifold is fixed to rotate with the shaft about the axis. <EOS>