A radial fluid device (300, 500, 600, 700) comprising: a cylinder block (320, 520, 620, 720) comprising a first plurality of radially extending cylinders (345a-345f, 545a-545f, 645a-645f, 745a-745f) and a second plurality of radially extending cylinders forming a plurality of cylinder pairs (345a-345f, 545a-545f, 645a-645f, 745a-745f), each cylinder pair (345a-345f, 545a-545f, 645a-645f, 745a-745f) comprising one cylinder of the first plurality and one cylinder of the second plurality in fluid communication with the one cylinder of the first plurality, the plurality of cylinder pairs (345a-345f, 545a-545f, 645a-645f, 745a-745f) comprising a first cylinder pair comprising a first cylinder associated with the first plurality and a second cylinder associated with the second plurality and in fluid communication with the first cylinder; a first plurality of pistons (340a-340f, 540a-540f, 640a-640f, 740a-740f) each slidably received within a different one of the first plurality of radially extending cylinders, the first plurality of pistons (340a-340f, 540a-540f, 640a-640f, 740a-740f)) comprising a first piston (340, 540, 640, 740) slidably received within the first cylinder; and a second plurality of pistons (340a'-340f', 540a'-540f', 640a'-640f', 740a'-740f') each slidably received within a different one of the second plurality of radially extending cylinders, the second plurality of pistons comprising a second piston (340', 540', 640', 740') slidably received within the second cylinder, wherein when the second piston (340', 540', 640', 740') begins its stroke is adjustable relative to when the first piston (340, 540, 640, 740) begins its stroke within the first cylinder pair; characterized in that the first piston (340, 540, 640, 740) and the second piston (340', 540', 640', 740') are mechanically coupled such that adjusting the second piston (340', 540', 640', 740') to begin its stroke at an earlier time causes the first piston (340, 540, 640, 740) to begin its stroke at a later time. a cylinder block (320, 520, 620, 720) comprising a first plurality of radially extending cylinders (345a-345f, 545a-545f, 645a-645f, 745a-745f) and a second plurality of radially extending cylinders forming a plurality of cylinder pairs (345a-345f, 545a-545f, 645a-645f, 745a-745f), each cylinder pair (345a-345f, 545a-545f, 645a-645f, 745a-745f) comprising one cylinder of the first plurality and one cylinder of the second plurality in fluid communication with the one cylinder of the first plurality, the plurality of cylinder pairs (345a-345f, 545a-545f, 645a-645f, 745a-745f) comprising a first cylinder pair comprising a first cylinder associated with the first plurality and a second cylinder associated with the second plurality and in fluid communication with the first cylinder; a first plurality of pistons (340a-340f, 540a-540f, 640a-640f, 740a-740f) each slidably received within a different one of the first plurality of radially extending cylinders, the first plurality of pistons (340a-340f, 540a-540f, 640a-640f, 740a-740f)) comprising a first piston (340, 540, 640, 740) slidably received within the first cylinder; and a second plurality of pistons (340a'-340f', 540a'-540f', 640a'-640f', 740a'-740f') each slidably received within a different one of the second plurality of radially extending cylinders, the second plurality of pistons comprising a second piston (340', 540', 640', 740') slidably received within the second cylinder, wherein when the second piston (340', 540', 640', 740') begins its stroke is adjustable relative to when the first piston (340, 540, 640, 740) begins its stroke within the first cylinder pair;