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Gamage's Steam Engine

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JasonB21/06/2021 18:57:24
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A bit of a long shot but I wonder if anyone has one of these engines or another image as I'd like to see it from the other side to see what the bearing and eccentric arrangement is rather that take a guess at it based on other similar models.

Thanks J.

gamages ndc.jpg

Former Member21/06/2021 19:33:26
1085 forum posts

[This posting has been removed]

michael potts23/06/2021 21:06:10
50 forum posts
2 photos

ndc1.jpg

 

ndc2.jpg

 

This is a rather poorly NDC belonging to my son, the eccentric sheave is part of the crank disc.

 

Regards. Mike.

Edited By michael potts on 23/06/2021 21:07:14

Former Member23/06/2021 21:20:16
1085 forum posts

[This posting has been removed]

michael potts23/06/2021 21:26:13
50 forum posts
2 photos

The strap and rod are broken and a solder repair has been attempted in the past. It seems to have just melted more of the rod away though.

Mike.

Michael Gilligan23/06/2021 22:33:48
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23121 forum posts
1360 photos
Posted by michael potts on 23/06/2021 21:26:13:

The strap and rod are broken and a solder repair has been attempted in the past. It seems to have just melted more of the rod away though.

.

Ah … that makes sense of the cleverly worded advert yes

MichaelG.

JasonB24/06/2021 07:00:37
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25215 forum posts
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Thank you so much for that Michael P, No excuse not to make one now!

I would probably have ended up with one of the bearing blocks between crank and eccentric had I not had those images.

Bazyle24/06/2021 13:28:42
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6956 forum posts
229 photos

Can you afford to make one with the highest grade anti-friction metal like the original?

JasonB24/06/2021 13:54:08
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25215 forum posts
3105 photos
1 articles

No and I don't want any zinc alloy monkey metal failing over timewink 2

Colour of parts suggests I will be using bronze, it's also going to be the big bore version at 16mm rather than 5/8"

gamages.jpg

Roderick Jenkins24/06/2021 14:18:42
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2376 forum posts
800 photos

Are you sure you can match the superfine limits available from die casting? wink

Rod

MichaelR24/06/2021 14:49:53
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528 forum posts
79 photos
Posted by Roderick Jenkins on 24/06/2021 14:18:42:

Are you sure you can match the superfine limits available from die casting? wink

Rod

And also the 16/- price tag frown However it's going to make a nice engine.

Michaelr

JasonB24/06/2021 15:05:45
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25215 forum posts
3105 photos
1 articles
Posted by Roderick Jenkins on 24/06/2021 14:18:42:

Are you sure you can match the superfine limits available from die casting? wink

Rod

I'll die tryingsmile p

Former Member24/06/2021 16:23:16
1085 forum posts

[This posting has been removed]

JasonB30/06/2021 20:07:00
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25215 forum posts
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I've made a start, decided on steel bearing posts with bronze bearings rather than solid bronze ones.

Fresh out of the pickle.

Harry Wilkes30/06/2021 20:51:34
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1613 forum posts
72 photos

It will be an interesting build to watch keep the photos coming please Jason

H

JasonB04/07/2021 18:45:48
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25215 forum posts
3105 photos
1 articles

A bit more progress over the last week, cylinder still needs a bit more work and then the end covers will be profiled to a similar shape. I think this is the smallest flywheel I have made for an engine so will be interesting to see how it runs, I don't expect it to turn over as slowly as I like but that's not really what it was designed for.

JasonB25/07/2021 19:08:36
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25215 forum posts
3105 photos
1 articles

Almost done, just a lock nut to make and file down some plugs once the JBWeld has set then should be ready to try on air.

Former Member25/07/2021 19:53:39
1085 forum posts

[This posting has been removed]

Ady126/07/2021 13:09:38
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6137 forum posts
893 photos

Lovely

A good save Jason, the info was getting sketchy

JasonB26/07/2021 18:45:25
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25215 forum posts
3105 photos
1 articles

Well the JBWeld set overnight but still needs filing down and I have not made the locknut either but thought I would try it on a bit of air. Locked at TDC the first time but an adjustment to the valve rod length soon had the valve centralised and off it went. Should be better with a decent air connection, gland packing and the aforementioned locknut plus a lick of paint but here is the rough and ready version.

Edited By JasonB on 26/07/2021 18:46:02

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