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Valve Gear Driven From Connecting Rod
Colin wants to hear from readers with any knowledge of valve gears and connecting rods:
“I am rebuilding several oo flying Scotsman chasis which is all new stuff. My problem is the valve gear and conrods. Fitting the valve gear into the pistons seems straight forward, and fitting the spacer bearing between the conrod and valve gear which is secured with a small screw into a brass stud which is located in the centre, driving wheel 4-6-2 seems not to difficult. Now the conrods and rivets which in turn fit into the front and rear wheel either side of the driving wheel. When all assembled it won’t turn freely. Now I have soldered the rivets into the conrods, could this be the problem? These rivets are not easy to solder in. I hope I have explained the problem well enough for someone to answer.”
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if I could see this in pic may be able to help I have scratch build bigboy loco all out of wood including hydraulics ,only parts not wood are compressor ,air tank and rubber orings in wooden valves.if you could send pic to [email protected]
Don