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| This completely integral power steering uses the Woodward system of interchangeable valve torsion bars. With this system the power assist response rate can be adjusted in small increments, enabling the steering to be quickly and easily matched to the loading of the tire patch for the maximum possible sensitivity. For example: should an improvement in aerodynamic downforce result in heavier steering, this can be overcome by changing out parts of the servovalve, without dismantling the rack and pinion unit or even removing it from the car. Steering sensitivity can be reduced in the same way, without resorting to increased positive caster or other measures. |
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| This extremely versatile design also allows the housing length to be adjusted slightly so as to locate it positively against the chassis brackets to achieve the most efficient load transfer; likewise, the hydraulic ports can be oriented to accommodate the most convenient routing of hoses. |
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Available in practically any combination of length and offset, for front- or rear steering and right- or left hand drive, in stroke lengths up through 5.75 inches (146mm) and ratios of 2.02 (51mm) and 2.24 (57mm) per turn. Complete with clevis ends and mounting brackets. Delivery is now under 4 weeks. Volume discounts are available for production quantities.
Constructor enquiries are treated in confidence. |
| Available for front or rear steer, right or left drive, centered or offset as required, in steering ratios of 2.02 (51.3mm) /rev. and 2.24 (56.9mm) /rev. |
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For formula cars, sports racers, lightweight GT cars and Daytona Prototypes. Special short versions are available for dragsters and LSR streamliners. |
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| The small size of the MC unit is evident in this picture. Like on the MR Series power rack, a quick, positive, non-slip gear adjustment is obtained with cam bushings (visible under the upper right cap screw). |
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| Machining from billet allows a more compact package than a traditional sports racing rack with cast housing. |
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| The rack shaft is hard chromed and is equipped with clevises made of heat treated 4150 CrMo alloy steel. All rack housings have machined boot lips, and all units are provided with rubber boots to protect the rack bearings from dirt and maintain effective lubrication. External travel stops can be installed between the washer and housing end. |
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| Rack end clevises are available for three different rod end sizes. The lightening hole in the 5/8-18 shank has a spherical end radius to avoid internal stress raisers. |
Ratios in stock: 1.57, 1.83, 2.09, 2.36, 2.62, 2.88, 3.14, 3.40, 3.66, 3.92
Standard rack shaft tie rods centers in stock are 17-1/4", 18-1/4", 19-1/4" and 19-3/4". Other custom lengths are available at no extra charge.
Monoball rack shafts are in stock in 16-1/4", 17-1/4", 18-1/4" and 19-1/4" lengths
(add $54.00)
Special quick steering rack and pinion unit. Your choice of servo valve and torsion bar (suggeested range of torsion bar for #850 valve are TB190-TB215). Call us for recommendations for your car. Outwardly appears identical to H type.
Ratios in stock: 4.19, 4.45
Standard rack shaft tie rods centers in stock are 17-1/4", 18-1/4", 19-1/4" and 19-3/4". Other custom lengths are available at no extra charge.
Monoball rack shafts are in stock in 16-1/4", 17-1/4", 18-1/4" and 19-1/4" lengths
(add $54.00)
Call Our Toll-Free Order Line: 1-888-STEER-US
for more product information
or fax us at 1-307-235-1551
