An experimental V-4 wobbler

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raynerd:
Ohh you guys mean using studding and then nuts on top like a more traditional engine. They used this to secure the top and bottom cylinder covers on my Stuart 10V and I really never understand the benefit. ... is it purely just looks? In my opinion, they were more of a pain in the arse than anything but I do expect they will look a bit better than the cap heads maybe!? I`m guessing something that could be replaced with no hastle at the end of the build or in the final build.

Any more updates Tim...I`m waiting patiently...now get your finger our :poke: :lol:
Chris

spuddevans:

--- Quote from: craynerd on June 09, 2011, 04:07:32 AM ---Ohh you guys mean using studding and then nuts on top like a more traditional engine. They used this to secure the top and bottom cylinder covers on my Stuart 10V and I really never understand the benefit. ... is it purely just looks? In my opinion, they were more of a pain in the arse than anything but I do expect they will look a bit better than the cap heads maybe!? I`m guessing something that could be replaced with no hastle at the end of the build or in the final build.

--- End quote ---

Yea, they're referring to replacing the socket caps screws with studs and nuts. I do agree that they look a lot better on a steam engine, but they are a lot of hassle. I'm still undecided on whether to do this on this build, I guess if the engine runs without too much trouble I probably will do the studs and nuts route. But if it takes a whole world of fiddling to get it running I may skip any additional hassle.

--- Quote ---Any more updates Tim...I`m waiting patiently...now get your finger our :poke: :lol:
Chris

--- End quote ---

I've been suffering with a bad back this last week and just havent felt up to it this week, however I did think that I had made some progress last week, I made the pistons and got them to a nice tight sliding fit in the cylinders, ready to be lapped in with some T-cut, then realised that to ensure concentricity for getting a good seal through the packing gland, I should have left the piston oversize to be attached to the con-rods and then finished the piston to size gripping them by the con-rod in the ER32 chuck in the lathe. :bang: :doh: :bang: :doh: :bang:

So hopefully at the weekend I will get a bit more progress done.

Tim

raynerd:
Yes, good point. Chris

NickG:
Missed this one, nice work and very innovative Tim. On the last few oscillators I've done I have milled the relief as Bogs suggested and it makes a big difference, lets the port faces pull up nicely to each other.

Nick

spuddevans:
Thanks Nick :thumbup:

I will be milling the relief as suggested by John, but because I have already glued the magnets and pivot rings into the cylinders, I will be making the relief in the main frame itself.

Tim

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