Author Topic: Vince's version of the Monitor Steam Engine  (Read 137699 times)

Offline tvoght

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Re: Vince's version of the Monitor Steam Engine
« Reply #60 on: May 01, 2016, 04:48:58 PM »
That's an interesting approach to the studs. They look good.
Tim

Offline zeeprogrammer

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Re: Vince's version of the Monitor Steam Engine
« Reply #61 on: May 01, 2016, 04:52:47 PM »
They look great Vince.

And I like the super glue idea.
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Offline sshire

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Re: Vince's version of the Monitor Steam Engine
« Reply #62 on: May 01, 2016, 05:55:07 PM »
One dissenting vote for the bolts.
Now for the critical question: All 3 versions have "windows" in the plates. i really like it but wondered where it came from. Not on my drawing set.
Best,
Stan

Offline zeeprogrammer

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Re: Vince's version of the Monitor Steam Engine
« Reply #63 on: May 01, 2016, 06:16:50 PM »
One dissenting vote for the bolts.
Now for the critical question: All 3 versions have "windows" in the plates. i really like it but wondered where it came from. Not on my drawing set.

The windows are in the metric plans, not the imperial. If you're working off the imperial, it's a good idea to check against the metric. There are other features in the metric plans you might consider too. If I recall correctly, there's a couple of oil cups missing on the imperial.

'dissenting vote'? How come?
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Offline sshire

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Re: Vince's version of the Monitor Steam Engine
« Reply #64 on: May 01, 2016, 06:18:39 PM »
Thanks, I'll check the metric set.
Dissenting only because I like the look of the bolt heads as opposed to the studs. Personal preference.
Best,
Stan

Offline b.lindsey

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Re: Vince's version of the Monitor Steam Engine
« Reply #65 on: May 01, 2016, 08:34:27 PM »
I have to agree with you Vince, the studs look very nice, though I could happily live with the bolt heads too like Stan. So did you make a simple fixture to get the 1.5 threads sticking out from each nut. Jo might be checking  :lolb:

Bill

Offline sshire

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Re: Vince's version of the Monitor Steam Engine
« Reply #66 on: May 01, 2016, 08:38:54 PM »
I believe that one of the vendors at NAMES had the "1.5 threads above the nut" gauge. Starrett #4634-A.
He'd only accept GBP in payment.  :ROFL:
Best,
Stan

Offline vcutajar

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Re: Vince's version of the Monitor Steam Engine
« Reply #67 on: May 01, 2016, 09:10:49 PM »
Thanks guys for the interest.  The 1.5 threads were set with an EyeBall MKll gauge. :cartwheel:

Vince

Offline Tennessee Whiskey

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Re: Vince's version of the Monitor Steam Engine
« Reply #68 on: May 01, 2016, 10:02:09 PM »
Appears this chap went for studs and nuts pretty much throughout.

http://www.stationarysteam.com/monitor/Penny_Shot.JPG.

Great start BTW Vince

Cletus

Offline Dave Otto

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Re: Vince's version of the Monitor Steam Engine
« Reply #69 on: May 02, 2016, 01:18:49 AM »
Yup, studs and nuts look much better.

Dave

Offline zeeprogrammer

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Re: Vince's version of the Monitor Steam Engine
« Reply #70 on: May 02, 2016, 02:22:01 AM »
The 1.5 threads were set with an EyeBall MKll gauge. :cartwheel:

I could use one of those tools. Where do I get one and what's the cost?  :Lol:
I have the MKI and it really doesn't do the job.
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Offline crueby

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Re: Vince's version of the Monitor Steam Engine
« Reply #71 on: May 02, 2016, 02:25:24 AM »
The 1.5 threads were set with an EyeBall MKll gauge. :cartwheel:

I could use one of those tools. Where do I get one and what's the cost?  :Lol:
I have the MKI and it really doesn't do the job.

Tough part is unscrewing the old one to install the new one...!

Offline Flyboy Jim

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Re: Vince's version of the Monitor Steam Engine
« Reply #72 on: May 02, 2016, 03:08:33 AM »
Put me in the studs and nuts camp.  :ThumbsUp:

However, I think I saw where someone turned the makings off of bolts. I think that would look much nicer.

Jim
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Offline vcutajar

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Re: Vince's version of the Monitor Steam Engine
« Reply #73 on: May 02, 2016, 05:27:39 AM »
Thanks Cletus for stopping by.

Yes Jim, if I had to use the hex head bolts, I would remove the markings on the head.

Vince

Offline vcutajar

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Re: Vince's version of the Monitor Steam Engine
« Reply #74 on: May 05, 2016, 11:23:34 AM »
Last few days I have been working on the crankshaft main bearings (item 12) and the crankshaft main bearing locking rings (item 13).  Fortunately I had a piece of phosphor bronze of the right length.  Can't remember why I had it.

First made the bearing blanks and another blank for the locking rings.



Finished off the locking rings first by drilling and boring to fit the bearing blanks.



This material is a real pig to drill.

After finishing the rings I replaced the 3 jaw chuck with a collet holder and drilled 9.8mm and then reamed 10mm.



Finally, the moment of truth.  Will I bores of the bearings align with each other?  Used a 10mm ground shaft from an old printer to check.  Managed to line them up but it was very stiff to turn.  Eventually I managed to make the shaft turn freely with lots of playing around with the frames.



Vince

 

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