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| sbwhart:
Thanks Chaps Steve:- thanks for the tip on sorting the woble :thumbup: I'll give it a go. Cheers :beer: Stew |
| NickG:
Stew, as long as the axis for the hub is concentric and colinear with the outer diameter and the face is perpendicular it might work ... will just run with a wobble .. .I know it looks bad but at least you'll know it runs then you could machine another! I like the composite flywheel but I think i'd machine it from one piece keeping everything tied up! I always try to take the easy option though :lol: Well done, hope you can sort the wobble! Nick |
| sbwhart:
Well very nearly on the last lap. Tried Steve,s suggestion for sorting the woble:- set the wheel up in the lathe with a piece of wood in tool post turned the lathe on slow speed and pushed it with the wood and it worked, the woble came out like magic :thumbup:, thanks Steve, my only worry now is the crack in the hub, will it stand up to the messing about when I assemble the engine:- we will see. Spent a couple of hours turning bits up to finish it off:- washers, air connectors, plugs for the air pasage ways etc. One thing I couldn't show you until I striped the base down was how I dowelled the vertical to the base, I simply drilled a couple of 3/32 holes right through the base into the vertical and nocked in a couple of 3/32 dowels this will ensure everything will assemble up dead in line. Next job was to tidy the base up with a bit of bling, I'm don't like too much bling, I like things to look a bit industrial. :hammer: :hammer: :hammer: Put a 1/4 rad around the base this was done by clamping a stop, clocked parrallel on the table, then the base was pushed up hard against this stop clamped down, and 1/4 rad end mill fed into the edge the tables zeroed:- next edge set up feed into zero etc etc. With the vertical it was first marked out, then in the machine vice, the line was leveled to the top of the vice jaw sited up with a parrallel, and skimed up to the line with a fly cutter sorry no pics forgot. And the top radiused in the RT All of the bits are know available to start assembling the engine, first job was to clean all the bits of swarf of using white spirit. The valve ports were assembled first and checked for squareness The cylinders were measured and the fabricated axle trimmed off to give 0.1 mm float. Then the required length of the pistons were then measured in the x and y using a hight gauge The X and Y were within 0.7 of each other I'll make the elbows 36.75mm long. Well that all for now. Cheers :beer: Stew |
| bogstandard:
Who's been a busy boy then? Looks like you are very close to setup now Stew. You are now approaching the time when most people get too frustrated to carry on, and stick it under the bench. Only adjust one thing each time, if it doesn't work, put it back to where it was. Otherwise what will happen, you and the engine will get confused. I doubt if you will need it, but I am only a few minutes away if you get too uptight with it. Plenty of good lube, even at this stage. Not WD, not enough film strength. Good luck on your crusade. If you can get this one running, anything else you come across will be a piece of cake. John |
| sbwhart:
Thanks John I guess tomorrow will be D day or should that be E day. Stew |
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