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Tiny Vertical Based On G. Britnell's Design

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sbwhart:
Thanks for your interest and kind comments lads

I ran the engine for about two hours yesterday whilst I gave my shed its monthly clean out and straw change part way into the run it developed a higher buzz I though that sounds like the little end bearing has gone, It was still running so I just left it to get on with it when I stopped it the little end crank pin was gone:- really gone couldn't find it any ware, I guess the nut had come lose and the pin had moved that what was causing the higher buzz then when I stopped it and moved it the pin had dropped out to be collected by the shop Gremlin

  :lol: :lol: :lol: :lol: :lol: :lol:

This morning I made a new pin and tried it with the taco:-

She just touches 4000 rpm and 40 psi and slow running 5 psi she's doing just short of 500.

I found that she is sensitive to the viscosity of the oil she uses,

Sticky Sideways  oil gives the slowest run, then 3 in 1 oil the best is with WD 40, which is more or less what you would expect from best to worst is 2000 rpm to 4000rpm.

Cheers

Stew

sbwhart:
I've been tinkering about with it for long enough now so I decided to make a nice wooden base.

So I salvaged a chip off the old thrown



I don't know what sort of wood it is some sort of oak judging by the way the grain runs up and back, when we bought it, it had a label proudly saying "made in the USA" so perhaps some of you guys will know what it is.

I must say, with the greatest respect, you guys know how to make a darn fine comfortable thrown

  :lol: :lol:



It machined up very nice.



And here's the final video, it runs real well but for the video it was very temperamental, after the video I put it on the bench and it ran bountifully, I think we may have some sort of gravity effect on the linkage.

     

I'm revising the drawing at the moment so will post them for down loading in a few days

Stew

NormanV:
An amazing project, well done!

tom osselton:
"I see the coin there is it "pay as you go?"  :D  :beer:

Manxmodder:
Stew said: I don't know what sort of wood it is some sort of oak judging by the way the grain runs up and back, when we bought it, it had a label proudly saying "made in the USA" so perhaps some of you guys will know what it is.

It looks remarkably like Bog Oak to me :lol: :lol: :lol:.....Sorry Stew,I'll get my coat and leave quietly :palm:.

Really impressed with the engine. :bow: :bow: ......OZ.

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