Author Topic: Benson vertical steam engine.  (Read 421 times)

Offline gbritnell

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Benson vertical steam engine.
« on: May 31, 2021, 03:07:37 PM »
Well the Benson is finished. I just have to make a wood base to mount it on. The governor didn't have enough weight to return to the rest position even though I made sure everything moved freely so I added a spring made from .008 wire and wound around a .062 mandrel. I had to keep stretching it until I got just the right pressure for it to work and return. I will post a video as soon as I get it. Everywhere there was bolts I replicated studs with nuts by leaving a small projection beyond the hex. The build log is under 'Engines from Drawings'.
Talent unshared is talent wasted.

Offline crueby

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Re: Benson vertical steam engine.
« Reply #1 on: May 31, 2021, 03:12:43 PM »
Beautifully done!  :NotWorthy:

Online RReid

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Re: Benson vertical steam engine.
« Reply #2 on: May 31, 2021, 03:23:16 PM »
What a jewel-like engine. Just a pleasure to look at!
Regards,
Ron

Offline propforward

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Re: Benson vertical steam engine.
« Reply #3 on: May 31, 2021, 03:25:36 PM »
Art, craftsmanship and engineering all in perfect harmony in that engine.
Stuart

Offline pgp001

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Re: Benson vertical steam engine.
« Reply #4 on: May 31, 2021, 03:44:48 PM »
Did you make the dummy studs/nuts from scratch, or are they modified off the shelf bolts ?
I have a load to make for Agnes and have just set up the capstan attachment on my Pultra to make them.

Super engine by the way.

Phil

Offline simplyloco

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Re: Benson vertical steam engine.
« Reply #5 on: May 31, 2021, 05:03:20 PM »
Very pretty!

Online Kim

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Re: Benson vertical steam engine.
« Reply #6 on: May 31, 2021, 05:53:41 PM »
That's a beautiful engine, George!
Kim

Offline gbritnell

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Re: Benson vertical steam engine.
« Reply #7 on: May 31, 2021, 06:41:25 PM »
Hi Phil,
I made most of the nuts and bolts with taps and dies, even down to M1.0 x .25. Most full sized engines had studs and nuts but for this scale duplicating them while doable is just not my cup of tea. I turn and thread the shank of the bolt then put it in the dividing head to create the hex. It then goes back to the lathe and I cut a short projection the same diameter as the screw size and then cut it off. It looks like a stud poking out of the hex but in fact is just a representation.
gbritnell
Talent unshared is talent wasted.

Offline pgp001

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Re: Benson vertical steam engine.
« Reply #8 on: May 31, 2021, 11:06:15 PM »
I am doing almost the same apart from using hexagon bar stock to save milling all the flats, I am using a lot of M1.6 stud/bolts and have a thread roller for that size rather than cutting with a die.
On the Pultra capstan attachment it is a a fairly slick operation to make these, it just takes a while to set it all up.

Phil

Offline Don1966

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Re: Benson vertical steam engine.
« Reply #9 on: May 31, 2021, 11:35:55 PM »
George my friend that is absolutely stunning. Your still my hero buddy. But I think it would look better polished so you will have to send it to me to polish for you…….awesome work my friend… :Love:


 :cheers:
Don

Offline gldavison

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Re: Benson vertical steam engine.
« Reply #10 on: June 01, 2021, 01:51:48 AM »
   

Beautiful  :cartwheel:   Fantastic   :pinkelephant:  Aw some   :whoohoo: :cheers:

Offline kuhncw

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Re: Benson vertical steam engine.
« Reply #11 on: June 01, 2021, 02:35:53 AM »
Very nice, George.

Chuck

Offline MJM460

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Re: Benson vertical steam engine.
« Reply #12 on: June 01, 2021, 12:50:18 PM »
Hi George, thanks for posting another exquisite build. 

I have just spent the afternoon making some M2.5 nuts which gives me an even closer appreciation on your M1 examples.

MJM460

The more I learn, the more I find that I still have to learn!

Offline gary.a.ayres

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Re: Benson vertical steam engine.
« Reply #13 on: June 06, 2021, 11:06:09 PM »
Very beautiful!

Offline Camm-1

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Re: Benson vertical steam engine.
« Reply #14 on: June 07, 2021, 05:26:53 PM »
Super nice as usual!

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