Gas Firing the Scott Vacuum Engine..........

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tom osselton:
Just wondering what size orfice a bic lighter has.

modeng200023:
I have been looking for clock bushes but they seem to have too large a hole.
However watch bushes might fit the requirement. Here is the link to Cousins site.

https://www.cousinsuk.com/product/watch-bushes-by-size

Hope this is useful

John

Stilldrillin:

--- Quote from: philf on November 30, 2015, 10:12:59 AM ---Plenty of people seem to make their own jets using clock bushes.

--- End quote ---

Phil.
Yer a GEM! :clap: :clap:

I've just ordered a pack of 10off, at .12mm. This is smaller than No3, as fitted to the Huxtable and Robinson engines. Both of which could stand a further reduction in jet size. :thumbup:

Thanks, Andrew.
That's a good thought.......

I hate to think how short a life those little drills would have, in my Mini Lathe.......

We'll see just how tiny, Phil's bushes are. In my fumbly fingers. :palm:

Thanks, again Chaps!

David.

Stilldrillin:
Tom, John.
Sorry. I was typing as you posted! :palm:

They are good thoughts, if the french clock bushes don't work out...... :clap: :clap:

Thanks, Chaps! :thumbup:

David.

Manxmodder:
David, I agree with your logic of trying to get the root of the flame below the snuffing effect of the blow out point.
45 degree angle looks a good start to me :thumbup:

Yer old joints may be getting a bit dicky,but there's nowt wrong with yer logic there lad :)

The mention of watch bushings also reminded me that I had considered ordering a pack of these broaching wires a while back.

Link: http://www.ebay.co.uk/itm/10-WATCH-CLOCK-CUTTING-BROACHES-SET-0-3-0-8mm-FOR-BUSHING-SERVICE-REPAIRS-/400873870784?hash=item5d55f1d5c0:g:cQIAAOSwBLlU8aME

.....OZ.

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