Air brakes

Balanced

Clippard Parts

Serveral current air brake designs use Clippard parts. They have been reported to work well, are virtually leak free, and Clippard's website is easy to navigate for ordering low-volume parts. Here is a list of commonly used parts.

• SDR-17-1 : Stainless steel double-active cylinder, 1 inch stroke, 1-1/16 inch bore
• MAR-1C : Plunger-type pressure regulator, 10-100 PSI
• 11752-4 : #10-32 to 1/8 inch barb fitting
• T44-4 : Tee fitting, 1/8 inch ID
• URH1-0804-BKS : Urethane tube 1/8 inch ID
• 11924-1-ENP : 1/8 inch Pipe to 1/8 inch hose fitting
• TV-3SP : 3-Way Toggle Valve, ENP Steel Toggle, 1/8" NPT
• MCV-2 : Check Valve, #10-32 Ports

External References

• Gerry Stuteville's "Auto Air Brakes"
• "Affordable Air Brakes by Harry Haas"
• "Real Brakes for Model Railroaders"
• "Cup Seal Vacuum Motor", Lee Nonnemacher, Pennsylvania Live Steamers
• "Air brake question", Chaski.org
• "Air brakes", Chaski.org
• "Freight Car Brake Rigging Arrangements", Wabtec Corp (PDF)
• "Wabtec Freight Catalog" (PDF)