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| Enlarged rocking engine build |
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| Ross:
Hi everyone, I started a new project on my lathe today. I'm building a enlarged version of the rocking engine, designed by member NickG on here. His oiginial build: http://madmodder.net/index.php/topic,1718.0.html I will be making a few artistic changes to the original plans it won't be a fast build though! Sadly I don't have much time to get to The shed at the moment do bear with me! I didnt get much done today, I had to make a Gear knob for my dads new car it took longer than expected due to my tail stock failing. I need to strip it tomorrow as the part that extends when you turn the wheel has come loose and is slipping. The link for the knob is below for those that are interested! http://madmodder.net/index.php/topic,7540.0.html Anyway, I faced all of my stock and turned the cylinder to length. I also started on the cylinder cover, I turned it to the correct diameter. It needs to be marked out for the 6 equispaced holes next. Tommorow I think drill and bore the cylinder and Lap it to size, but I shouldn't get ahead of my self! Ross |
| Stilldrillin:
Hi Ross. Nice to see you've made a start, already! :thumbup: Good luck with the build.... :D David D |
| NickG:
Hi Ross, Yeah good luck - will be great to see somebody building one of my engines! If you have any more questions don't hesitate to ask - the others on here may have better advice than I do, I will only be able to tell you how I did / would do it. Cheers, Nick |
| Ross:
Hi, Today I marked out the holes on the cylinder cover and drilled them. It was very hard to do on my pilar drill and it took some lining up. I think I moved in a bit to far in while marking the PCD I will have to make the bore of the cylinder smaller by 2mm. Next, I cut the stock and faced to the required thickness and drilled and tapped M5: I finish turned the cylinder cover, and adjusted it slightly to Make it easier to drill the holes in the cylinder. The only thing I didn't do was put a recess for a seal as I'm not sure of the size of the one I'll use. Next I turned the outer diameter of the cylinder, turned the majority first. And then turned it in the chuck and finished all the way. Next I drilled the bore to 13mm And then bolted The cylinder plate and cylinder together ready for drilling and tapping. |
| NickG:
That's def the best way to do it, you can use the cover to drill both ends then use it on the frame as well, sure fire way to get them to line up. :thumbup: Think I just used a paper gasket on mine. Nick |
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