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NickG:
Thanks again for the support guys.

Madjack, I admire your patience and skill building your engine.

The warm bed and dvd was again too tempting last night but I intend to make the most of the weekend. I finish at midday on fridays so shouldn't be as tired in the evening.

Nick

NickG:
A little more progress - not as much as I would of liked, but a little.

I got the crankshafts just about done.

I thought I'd be clever and try making a 'D' bit out of a bit of the silver steel that would become the crankshaft - that way I could accurately size the holes in the crank webs etc and flywheel bosses.

Here it is:

Later found out that didn't work though, think I must have milled just too much off as the D part went into the hole I had drilled too easily. So I used a number drill instead.

Milling a square end on the bar:

Milling down to correct thickness:

Setup for milling webs to length - this didn't work so had to do 1 at a time and mill across the vice at same height setting in end:

Setup for drilling holes:

Pair of cranks with loctite curing before I cut out centre section of main shaft:

Dean W:
Those cranks are looking really good, Nick.

Suit yourself about the write up length, and number of pics. We all like to see and read what each other is doing, but if it's getting in the way of the guy doing the work, well, you don't want it to turn into a chore.
I take a lot of pics hoping to share, but to tell the truth, I would do it anyway, even if no one else was looking. For me, pics are a good reference, especially if I've forgotten how I did some tricky setup in the past.

Probably best to just keep our projects enjoyable in what ever manner works for us.

Thanks again for all your pictures and narrative.

Dean

NickG:
Thanks Dean,

I didn't really have much to report on these to be honest, it was simple milling and drilling with the exception of some of my work holding methods being dodgy and not working.

I agree, the forum is brilliant and everything is good reference material to go into a large database - i've found peoples posts from years ago useful. Like you say, it can't turn into a chore though - then it's not worth doing. If I do find anything useful I come across like the hex indexing thing I will write a bit more about it. I tend to try to keep things as simple as possible to suit my limited skills! :lol:

I don't think I'll be trying to make 2-offs of anything in future either, that has definitely made it less enjoyable for me! I think when I've finished this project I need a good clean up of the shop, a review of what I have and what tooling etc. I might like to help me in the future. I may be able to pick some stuff up at the Model Engineering show that's coming up in May in the UK.

I've still got quite a long list of projects which I intend to follow through - things I really want to make and have always wanted to, for example just to say yep, I've done that - I can make an internal combustion engine from scratch! These forums have definitely helped me in my quest, since I started looking / posting on these I've had the advice and support to help me make a working stirling engine and a working flame gulper which I may not have been able to do otherwise.

again, thanks for the support, interest and advice guys.

Nick

NickG:
PS, I forgot to mention - I will try making a D bit again at some point, I just need to pay more attention to the amount milled off. I just touched on and used the quill dro but that obviously wasn't accurate enough and took too much off or something.

Nick

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