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| Building Stuarts Compound Steam Engine |
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| saw:
NickG: Thanks for coments, I have not lap the valves and portface, but I have not forgot that. I thought that when I have manufactu all pieces I should strip down the whole engine, polish and adjust everything. About the inside of the valve, I did not know that but now when you tell me, I will do that. Thank you very much NickG to be so accurate. :D |
| saw:
Eccentric Rods Hello Gentlemen. :wave: Now it’s time for the head, that connecting the valve road with the eccentric rods. A piece of mild still in the lathe… …and some turns and center drill. After drilling and cut off… …then in the mill some more drilling for connecting to the eccentric rods. Then with an end mill… …and it begun to look as a head. Then some threading for connecting to the valve rods… …and then finish off with some end mill. After some work with a good fill and some polish… …and here is how it looks on the engine. :coffee: Next the eccentric. First I have to center drill… …then some turn on the lathe… …and then turning the small track on the eccentric. Half way done. And now a very crazy setup, I was force to use the cuck from my unimat be course I was unable to clamp it to the original chuck. :smart: Center drill… …and drilled… … and reaming. Then drilling and trheading for the stop screw. And this job was finish… …and mounted. :coffee: Now the last part, the eccentric rod. First I have to measure and mark out where to cut and where to drill… …then drill the hole for the bolts before cutting off the parts. I’ll then use an end mill so the bolts head could fit better… …on both side. Then with my hacksaw I cut the part… …and threading the bottom part. Some turns on the lathe… …and then borring the inside… …and checking so the hole fits well to the eccentric. Next I have done a little special for turning the track inside the eccentric rod. :D And again checking the result… …then back to the mill for milling the surface… …and then some more milling. And now some filling and polish… …and the result… …and then mounting to the engine. :med: Well she is beginning to look like the real thing. It is not so many parts to manufacturing but it’s still long way to go before she’s run. I’ll be back. Benni |
| Rob.Wilson:
:clap: :clap: :clap: :clap: coming along Very nicely Benni :thumbup: Rob |
| NickG:
Yep, looks lovely Benni. Not long before you start setting the timing etc- which am not quite sure how on a compound like this. Will be good to see, looking forward to it. |
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