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Hydraulic shoe brake wheel

To increase the braking force of the 4″ and 5″ shoe brake wheels they can be fitted with a hydraulically actuated anchor plate. The advantage is that the friction of the mechanic actuating cables is omitted due to the hydraulic actuation. Thus the brake gains power and is better dosable. The effort involved in the modification is minimal: only the anchor plate has to be exchanged. All connecting dimensions of the wheel (installation width, position of the anchor bolt) remain unchanged.

The hydraulically actuated anchor plates are supplied including master cylinder, hydraulic hose and detailed working instructions.

P/N Description Hydraulic fluid Connecting thread Remarks
045930 Hydraulic actuation
4″ Liliput
Tost Mineral Fluid M5 Technical consultation
recommended prior to modification
045940 Hydraulic actuation 4″ Kobold Tost Mineral Fluid M5
045945 Hydraulic actuation
5″ Standard
Tost Mineral Fluid M5 Axle diameter 20 mm
045943 Hydraulic actuation
5″ Standard
Tost Mineral Fluid M5 Axle diameter 30 mm
045925 Hydraulic actuation
5″ Standard
ASW 19/20
Tost Mineral Fluid M5 Axle diameter 20 mm

! EASA approval in progress !

045948 Hydraulic actuation
5″ Standard
Tost Mineral Fluid M5 Axle diameter 35 mm

 

Please indicate with your order aircraft type, axle diameter and type of anchor bolt, so that we can deliever the suitable anchor plate.
If the wheel is more than 30 years old, we remcommand a technical  consultation  prior to the modification.

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