Heitz Automotive Testing

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Auto Engine Rebuilding

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Tomorrow: 10:00 am - 6:00 pm

32 Years

in Business

Amenities:

Wheelchair accessible

(609) 466-2071Call Visit WebsiteVisit Website Map & DirectionsDirections6 Moores Mill Mount Rose RdPennington, NJ 08534 Write a ReviewWrite Review

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Hours

Regular Hours

Mon - Fri:	10:00 am - 6:00 pm

Heitz Automotive Testing

Steering and Suspension

Suspension Service/Repair
June 1956-September 1964: Research Engineer at the General Motors Research Staff. Work included steering & suspension systems, vehicle response to control inputs, chassis design and stress analysis, aerodynamics and wind tunnel testing. Senior Research Engineer at the General Motors Design Staff. Work included establishing structural frequency response criteria and development of structures and suspensions for future production cars.

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Heitz Automotive Testing LLC

Other Link

http://www.atiheitz.com

Category

Auto Engine Rebuilding

Other Information

Parking: Lot, Free

Wheelchair Accessible: Yes

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Phone: (609) 466-2071

Address: 6 Moores Mill Mount Rose Rd, Pennington, NJ 08534

Website: http://www.atiheitz.com

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Heitz Automotive Testing

Steering and Suspension

Suspension Service/Repair
June 1956-September 1964: Research Engineer at the General Motors Research Staff. Work included steering & suspension systems, vehicle response to control inputs, chassis design and stress analysis, aerodynamics and wind tunnel testing. Senior Research Engineer at the General Motors Design Staff. Work included establishing structural frequency response criteria and development of structures and suspensions for future production cars.
Steering Service/Repair
Capabilities: The machine is capable of "surge torque" of 50 N-m (440 inch-pounds) at any speed to 1800 degrees per second, reducing to a continuous 25 N·m (220 inch-pounds) after 2 seconds. The maximum torque utilized is controlled through the servo amplifier by the individual program. Maximum "no-load" speed is 2600 degrees per second. Frequency response depends on the inertia of the vehicle steering system, which is dominated by the steering wheel inertia. In testing of a simulated airbag-equipped full-size car (inertia 62 gram-meters2 (0.55 lb-in-sec2), the -3 db frequency response bandwidth was measured as 6 Hz at ±30 degrees and 4.2 Hz at ±60 degrees; and ramp speed in a 180 degree, 0.1 second trapezoidal command was measured as 1800 degrees/second. Holding torque gradient is essentially infinite, due to a fast integrator in the forward servo loop. Steady state torque measurement is linear to 1.0 percent (0.5 N-m max deviation from a least-squares straight line over ±50 N-m). Accuracy of moving torque is 0.3 N-m over ±10 N-m (±2.6 inch-pounds over 88.5 inch-pounds); and ±0.2 N-m over ±5 N-m.

Tire Replacement
However, a quandary arose in the driver-control testing. After “getting the feel” the driver could achieve rollover in every run; but after a tire change it would take two or three runs to “get the feel” again. The question was whether the “learning” was taking place in the driver or the tires.

Brake Service

Exterior/Interior

Glass Repair/Replacement

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