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| Brass_Machine:
Chris Fixed your image tags Eric |
| NickG:
Chris, Nice work with the drilling jig, I never use them because I'm impatient but seeing that it has come out really well and i will probably try that next time. It's the attention to detail like that which will make it stand out from the rest and give you the satisfaction that you've done a really good job on it. In my opinion the way you've lined the centre up looks alright to me. Just out of interest, have you measured the position of the ports? Are they in the correct place etc, are you just supposed to clean those up with a file? They seem pretty deep so it doesn't look like you can change the position, this means that the amount you skim off each end is critical. Simply getting the correct cylinder length isn't good enough, you need to take the right amount off each end such that the ports lie in the right position - probably obvious but thought I'd mention it! Nick |
| John Rudd:
--- Quote from: craynerd on October 05, 2010, 07:49:28 PM --- It has taken me 2 nights to make the jigs, Holes drilled and tapped - here it all is assembled! Well the holes align at least :D Looks good imo! Chris --- End quote --- So, 2 nights work to make a jig and drill a small number of holes and it fits right first time! Nice work Chris.. :clap: How long would it have taken if it had gone horribly wrong without the use of the jig? :dremel: Time well invested methinks.. :thumbup: Well done, looking good so far.. |
| raynerd:
Eric, thanks for sorting out my links. It was late when I finished! John, yes a good point! If I hadn`t have used the jigs I could very well be ordering new castings so I guess it worked out well and was worth the time. Looking at the plans, I think the central port is central to the cylinder length. I`ve got plenty on the cylinder so I`ve just taken the flashing off and tidied the surface up. I`ve still actually got a bit to take off both side! Is that what you mean? Anyone any thoughts about the method of centralising the cylinder using this bung as shown. Does it need to be spot on, or will this method be accurate enough. I mean this is centred but is it accurate enough? |
| kwackers:
I think you can get away with a movement of a few thou so I wouldn't worry about the hole being absolutely centre in the casting. What I would make sure though is the ring of holes are concentric with the bore (save drilling them oversize a bit later when you find they're offset!) |
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