Author Topic: Governor for the Stuart Beam Engine  (Read 16951 times)

Online Jo

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Governor for the Stuart Beam Engine
« on: October 14, 2012, 05:37:55 PM »
A few years ago I was given a rather sad Stuart beam that had been started as an apprentice piece. I am not sure if it was originally one engine or was a collection of all the bo-bo's from a number of apprentice engines. I fixed it up and it now works but it is only the basic engine. :???:

Looking in my Stuart catalogue I noted that they used to sell a set of castings for a governor, but they do not list them anyone. I like making governors  ;D but my original set of Stuart drawings does not show the  governor. Does anyone know where I could acquire a set of drawings for the governor ;).

Jo
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Bluechip

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Re: Governor for the Stuart Beam Engine
« Reply #1 on: October 14, 2012, 05:46:09 PM »
Jo

If it's the same as for a #9 I got 'em in my paw now.

Big sheet though, and not too good a print.

Dunno if they'll scan.  Copyright anyway ..

Dave BC

EDIT sez DWG 90001 on the top.

Online steamer

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Re: Governor for the Stuart Beam Engine
« Reply #2 on: October 14, 2012, 05:47:26 PM »
Same boat Jo....I think I have the book on the 9.   

Dave
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Damned ijjit!

Online Jo

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Re: Governor for the Stuart Beam Engine
« Reply #3 on: October 14, 2012, 06:02:45 PM »
I have just checked the catalogue: The governor on the 9 has a different part number than the beam's governor.

Jo
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Bluechip

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Re: Governor for the Stuart Beam Engine
« Reply #4 on: October 14, 2012, 06:09:45 PM »
I have just checked the catalogue: The governor on the 9 has a different part number than the beam's governor.

Jo

Ah well, such is life.  :'(

Shame really, scanned at 200dpi greyscale, they're more readable than the original ..

BC

Offline smfr

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Re: Governor for the Stuart Beam Engine
« Reply #5 on: October 14, 2012, 06:18:16 PM »
Oooh, I'd be interested in these too!

Simon

Bluechip

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Re: Governor for the Stuart Beam Engine
« Reply #6 on: October 14, 2012, 06:21:51 PM »
Simon

Which one ?? Stuart #9 or Beam ??

Crystal Ball in for a crt re-gun at the mo.  :Lol:   :Lol:

BC

Offline Jasonb

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Re: Governor for the Stuart Beam Engine
« Reply #7 on: October 14, 2012, 06:28:17 PM »
Have you got a steel rule handy? Then measure mine :Lol:







You don't really need castings it can all be fabricated.

Its worth contacting Bridport as they say they will be bringing back some of teh engines that were discontinued so maybe the governor as well. Quite a good writeup on thm on MESite

http://modelengineeringwebsite.com/Stuart_Models_move.html

J
« Last Edit: October 14, 2012, 06:36:14 PM by Jasonb »

Offline smfr

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Re: Governor for the Stuart Beam Engine
« Reply #8 on: October 14, 2012, 06:29:14 PM »
Which one ?? Stuart #9 or Beam ??

Beam! I have a Stuart Beam looking a bit sparse :D

Simon

Online Jo

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Re: Governor for the Stuart Beam Engine
« Reply #9 on: October 14, 2012, 06:41:07 PM »
Have you got a steel rule handy? Then measure mine :Lol:


That looks fairly basic :ThumbsUp: just need to work out where to mount it, add a regulator valve, a linkage :thinking:. Thanks

Jo
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Offline Jasonb

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Re: Governor for the Stuart Beam Engine
« Reply #10 on: October 14, 2012, 07:37:03 PM »
Mine is mounted where Stuart's suggest. There is a butterfly valve operated by the linkages.

Don't have the drawings now but let me know if you want some sizes to base it on.

J

Offline Jasonb

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Re: Governor for the Stuart Beam Engine
« Reply #11 on: October 14, 2012, 07:45:33 PM »
Found this on the net, if your eyesight is good it should give you details of some of the parts and as you can see there is actually only three castings - the replacement valve chest cover, valve and the curved pivot bracket. There are more photos of the governor being built on that site. Stuarts also list the drawings for ?9.50 under spares

http://stevewithnell.wordpress.com/author/stevewithnell/page/3/


« Last Edit: October 14, 2012, 07:51:55 PM by Jasonb »

Online Jo

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Re: Governor for the Stuart Beam Engine
« Reply #12 on: October 14, 2012, 08:07:08 PM »
Looking at that drawing it is the same governor for all the engines, so guys, the No 9 governor drawing with a suitable mounting looks like we may have a governor for the beam.

Jo
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Offline Jasonb

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Re: Governor for the Stuart Beam Engine
« Reply #13 on: October 14, 2012, 08:24:00 PM »
The old No9 governor is not the same as the beam etc.



J

Online Jo

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Re: Governor for the Stuart Beam Engine
« Reply #14 on: October 15, 2012, 10:39:11 AM »
I seem to have been able to sketch together the governor, with most of the dimensions I need,  :thinking: I still need to work on that pivot arm and its pivot.

The crank support seems to have been moved outwards to allow for space for the drive pulley (that will muck up my base because I will need to drill more holes :-[ ) I am assuming that the drive pulley on the crank is twice the diameter of the one on the governor, not that it matters. I am still not quite sure how the governor mounts on the base casting.

I am never a great fan of butterfly throttle valves, I have a much simpler design that I use. The linkage arm should be easier enough to measure from the model.

It looks like I could be making another governor.....

Jo
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