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The Hilliard centrifugal clutch provides automatic, gradual, cushioned engagement over a speed range on high-inertia loads. It smooths out and reduces starting current surge. Centrifugal clutches are slip-free at rated load and speed. They protect against overload by limiting torque, absorbing shock and eliminating torsional resonance. Hilliard centrifugal clutches have soft transmission of power and load free starting. Hilliard's linkless centrifugal clutches combine a dowel pin, vibration dampening bushing and a symmetrical spring design. The results are a long service life at an economical price. Other benefits include soft starts, load-free starting and overload protection. Hilliard’s centrifugal clutches are ideal for applications such as fans, blowers, conveyor drives and mills. Our engineering and manufacturing capabilities offer a wide range of choices, from common mounts to custom designs.

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Linkless Centrifugal Clutch


The Hilliard Corporation’s linkless centrifugal clutches combine a dowel pin, vibration dampening bushing and a symmetrical spring design. The results are a long service life at an economical price. Other benefits include soft starts, load-free starting and overload protection. Hilliard’s centrifugal clutches are ideal for applications such as fans, blowers, conveyor drives and mills. Our engineering and manufacturing capabilities offer a wide range of choices, from common mounts to custom designs.

Applications

Concrete/Construction - Material Handling - Mill - Outdoor Power Equipment - Portable Saw Mills - Speed Limiters

Type: Automatic, Gradual, Cushioned Engagement

Documents

Linkless Centrifugal Clutch (Brochure)

Extreme Duty Centrifugal Clutch


The patented Hilliard Extreme Duty Centrifugal Clutch has been engineered in pulley and sprocket versions to provide long service life and is ideal for retrofit or new equipment applications. A thermodynamically designed clutch shoe increases the clutch’s capacity to absorb heat without damaging the integrity of the clutch.

Applications

ATV/UTV - Outdoor Power Equipment

Type: Automatic, Gradual, Cushioned Engagement

Documents

Extreme-Duty Centrifugal Clutch (Brochure)

Inferno Fury


The Inferno Fury is an economical racing clutch designed for durability. The sprockets are heat treated steel and the hub is heat treated. The Fury is available with an oil impregnated bronze bushing, or a needle bearing. The Fury is a long lasting low maintenance design with some tunability. The Fury clutch can handle excessive heat and give you consistent torque all race season. The Fury clutch is a great choice for the super heavy class.

Applications

Karting

Inferno Flame


The Flame clutch includes all of the design advantages of the Fury but also includes several additional features. The clutch is fully tunable with optional weights. The optional weights alow the racer to make small adjustments to the engaging speed for optimal performance. The shoes have been designed to reduce chatter and provide smoother engagement over the Fury clutch. The shoes are lighter than a Fury shoe which reduces the inertia and include cleaning grooves to collect dirt/debris. The cleaning grooves maintain a smooth drum surface with less galling. The quick change springs, tuning weights, and new shoe design (with increased surface area) make the Flame clutch a great choice for the clone or LO206 for weight classes 400# or less. It is recommended to add the optional weights for super heavy classes.

Applications

Karting

Inferno Fire


The Inferno Fire racing clutch is the latest engineered product for the racing industry. The Fire clutch includes all of the design advantages of the Flame with several new features that make the Fire the best drum clutch available on the market. The Fire clutch has a bonded friction lining that improves consistency and performance. The friction material has been engineered to have a dynamic coefficient of friction that is very close to the static coefficient of friction. This creates a flatter engagement profile with less engine bogging during lock-up. The racer can utilize the optional weights to fine tune the clutch to keep the rpm in a band close to peak engine torque. This is very important for sprint racing to get the best acceleration off the corners. The Fire clutch is ideal for the LO206 engine because of the smooth engagement and the ability to tune the clutch for each color slide. The friction lining prevents the drum surface from galling so no sanding is needed inside the drum and the clutch should be cleaned with brake cleaner. Other new features include the needle bearing design, grease trap and drum vents. The grease trap is engineered to catch any grease or oil that comes out of the bearing. The added radial vents allow any debris to quickly exit the clutch without getting trapped under the shoes. Less contamination in the clutch gives better consistency and performance. These new features make the Fire clutch the best choice for all classes. It is recommended to add the optional weights in classes weighing 400# or over for additional torque capacity.

Applications

Karting

Hilliard Industrial Centrifugal Clutch


The Hilliard centrifugal clutch provides automatic, gradual, cushioned engagement over a speed range on high-inertia loads. It smooths out and reduces starting current surge. Centrifugal clutches are slip-free at rated load and speed. They protect against overload by limiting torque, absorbing shock and eliminating torsional resonance. Hilliard centrifugal clutches have soft transmission of power and load free starting.

Applications

Marine/Shipping - Mining - Speed Limiters - Steel Industry

Type: Automatic, Gradual, Cushioned Engagement

Documents

Industrial Centrifugal Clutch (Brochure)
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