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Tech. Advice: Series 'A' 500cc/1000cc Bikes
Oil hoses ferrules - Comet 1938
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<blockquote data-quote="greg brillus" data-source="post: 121077" data-attributes="member: 597"><p>Ok so the main feed and return pipes from the tank to the engine and back are 3/8" the smaller feed line from the aft outer port on the oil pump that feeds oil to the rear cylinder feed is 5/16" as is the solid scavenge line from the crankcase to the inner forward port of the oil pump. These 5 /16 fittings can have an OD of about 0.315 to 0.320 in diameter depending on plating as well. The small feed lines from the cam box to the cylinder rocker feeds are 3/16" I made these from some brass tube and had them cad plated, you could also use some plated brake pipe as well.......if you go to a brake relining shop that make up their own rigid and flexible brake lines, they have really nice 3/16 pipe bending pliers that can give you that nice tight right angle bend you need where the pipes turn into the rocker feeds........You wont get as nice a bend otherwise, the lower bend mid way down the pipe is easy........I bought the small end fittings off ebay, these are for the scale steam locomotive supplies with all the small stuff they use, I then silver soldered them onto the upper ends.......came out a lovely job and looks excellent.</p></blockquote><p></p>
[QUOTE="greg brillus, post: 121077, member: 597"] Ok so the main feed and return pipes from the tank to the engine and back are 3/8" the smaller feed line from the aft outer port on the oil pump that feeds oil to the rear cylinder feed is 5/16" as is the solid scavenge line from the crankcase to the inner forward port of the oil pump. These 5 /16 fittings can have an OD of about 0.315 to 0.320 in diameter depending on plating as well. The small feed lines from the cam box to the cylinder rocker feeds are 3/16" I made these from some brass tube and had them cad plated, you could also use some plated brake pipe as well.......if you go to a brake relining shop that make up their own rigid and flexible brake lines, they have really nice 3/16 pipe bending pliers that can give you that nice tight right angle bend you need where the pipes turn into the rocker feeds........You wont get as nice a bend otherwise, the lower bend mid way down the pipe is easy........I bought the small end fittings off ebay, these are for the scale steam locomotive supplies with all the small stuff they use, I then silver soldered them onto the upper ends.......came out a lovely job and looks excellent. [/QUOTE]
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Tech. Advice: Series 'A' 500cc/1000cc Bikes
Oil hoses ferrules - Comet 1938
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