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Oil Field Engines & Related Equipment

Ruston & Hornsby PB 3HP: Find + Restoration


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  #1  
Old 03-29-2016, 04:26:47 PM
petrol smoker petrol smoker is offline
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Default Ruston & Hornsby PB 3HP: Find + Restoration

So this is how this story begins...
Long story short, I was given an engine. Over the phone I was told that I don't have the luxury of first looking at the engine. If I rock up, the engine will go home with me - regardless what I think of it... so... excited and somewhat worried of what I will come accross, I prepared the trailer.

It was a relief to find the little Ruston in not too bad shape. There are a couple of issues as can be expected from a project engine, but nothing that worries me too much.





Can anyone help with some history and dating of the engine?


I'll post some more pics later.
Tanks!
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  #2  
Old 03-29-2016, 04:34:16 PM
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Steve Kreiner Steve Kreiner is offline
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Default Re: Ruston & Hornsby PB 3HP: Find + Restoration

One thing I can see bent flywheels lifting it that way
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Old 03-30-2016, 03:41:11 AM
petrol smoker petrol smoker is offline
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Photo Re: Ruston & Hornsby PB 3HP: Find + Restoration

I am busy with a Lister 6/1 restoration that was quite involved and took me a long time to get to where I am now. I will hopefully be finished with the project within the next couple of months and then I'll get going on the Ruston. In the meantime I want to gather as much information as I can.

Some questions that pop to mind after I started researching:
  1. Does anyone have a manual for this engine?
  2. What is the correct color for the engine?
  3. Grey is apparently the wartime color? Not sure if I'll want to go grey...
  4. I read somewhere that these engines were build in Australia under licence?
  5. What is the year model for serial number 235816

A few more pics

Agent plate


Magneto


Fuel Mixer
Looks like there is a piece broken off from the choke?


Also something missing here - Still need to take a closer look at it, but I was wondering if I can cut the broken bits off and then weld something in place - or better even run a tap inside the exhaust to attach a new muffler.
I can probably fabricate something to replicate the original.
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Old 03-30-2016, 10:55:05 AM
HBurk HBurk is offline
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Default Re: Ruston & Hornsby PB 3HP: Find + Restoration

Bent "CRANKSHAFT" maybe.
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Old 03-30-2016, 11:38:48 AM
petrol smoker petrol smoker is offline
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Default Re: Ruston & Hornsby PB 3HP: Find + Restoration

The help and enthusiasm offered thus far has been absolutely phenomenal.

I work in the engineering industry and I am constantly in contact with people that can tell Google a thing or two - so I really feel at home here.

Boggles my mind that flywheels and crankshafts this heavy can bend so easily - especially considering I was able to drag the engine onto a small trolley by hand. Had this been a 2 ton+ machine I would agree a lift done this way can be a problem. Anyway - what do I know...

Cheers.
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Old 03-30-2016, 10:38:37 PM
TWest TWest is offline
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Default Re: Ruston & Hornsby PB 3HP: Find + Restoration

To find specifics about the build date of your engine you need to contact Ray Hooley. He has access to the archives/records for Ruston & Hornsby. To wager a guess, I would say your engine was made sometime in the early to mid 1940's.

I have a manual for the smaller 1 1/2hp 6PB engine, but you might be able to find one for the larger 3PB through Ray, ebay.co.uk or the Internal Fire Museum website. The museum website has digital/PDF versions, but I think you need to be a member or make a donation for viewing access.

Your choke adjustment arm and silencer are a bit busted. If you need replacement parts watch ebay.co.uk or get a copy of Stationary Engine Magazine. You can place a wanted add, or get into contact with other Ruston guys.

I have seen Ruston & Hornsby engines painted a maroon colour, grey but more commonly green. I recall "Brunswick Green" being used to describe the shade, but a quick search shows their colour may be slightly different. I am not sure how R&H changed colours though the years/models.

Remember to keep us updated on your progress, and thanks for sharing.
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Old 03-31-2016, 08:07:17 AM
petrol smoker petrol smoker is offline
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Default Re: Ruston & Hornsby PB 3HP: Find + Restoration

Hi TWest.
Thank you! I'll follow your suggested leads and see what I can come up with.
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Old 03-31-2016, 08:29:00 AM
Bill Hazzard Bill Hazzard is offline
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Default Re: Ruston & Hornsby PB 3HP: Find + Restoration

Some people have no tact and have nothing positive to say ever so don't get discouraged. I would say that it is not a good idea to lift an engine that way as there is a chance of bending the crank or cracking a flywheel so why risk it. It looks like the paint might be original since the RH is green.
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Old 03-31-2016, 09:48:11 AM
petrol smoker petrol smoker is offline
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Default Re: Ruston & Hornsby PB 3HP: Find + Restoration

Hi Bill.
Thank you for your comments and a perfect example of what tactful and constructive criticism looks like. Nobody likes getting their toes stepped on... I am always open for comments and suggestions - that is after all what this community is all about. Of all the hobbies I have been involved in, engines guys (and girls) have been the most pleasant crowd. Faith restored.

I tend to agree with you regarding the paint. I looked at it closely and I find no evidence of any other color that's been painted over.
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Old 04-03-2016, 01:22:34 AM
petrol smoker petrol smoker is offline
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Default Re: Ruston & Hornsby PB 3HP: Find + Restoration

I e-mailed Ray Hooly and he replied as follows:

"R & H Engine No.235816 is a petrol/paraffin model, class 8PB, rated 3hp. It was sold to agent Hubert Davies – and was despatched to S.Africa on 2.8.1945

If required, I can supply copies of:-_ Instruction Book/Parts List,_ Specification,_ Magneto Instructions,_ Timing Diagram,_ G/A Drawings, etc, for £30, including postage.

I can also supply a pair of new engine transfers (decals) for £10.

Kind regards.
Ray Hooley,
17 Coniston Drive, North Hykeham, Lincoln, UK, LN6 8EW"

Now I know a little bit more. Pity the exchange rate is a total mess at the moment...
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Old 04-03-2016, 04:34:01 AM
Combustor Combustor is offline
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Default Re: Ruston & Hornsby PB 3HP: Find + Restoration

Hi Petrol Smoker,
Harris Scarfe and Sandover, (commonly called 'Sandovers') were distributors for R&H during WW2 and since. In war time engines were not available ex Britain but Sandovers had large stocks of PB model spares on hand so were allowed to have castings made by a local foundry then machined and assembled them in their own engineering shop. Believe it was only several hundred engines and they were designated model SPB. Have seen further info some where, but this is what I recall at short notice. Regards,
Combustor.
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Old 04-04-2016, 03:33:13 PM
HBurk HBurk is offline
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Default Re: Ruston & Hornsby PB 3HP: Find + Restoration

Didn't intend ANY disrespect, but sure am glad I ain't THAT sensitive.
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  #13  
Old 04-05-2016, 01:37:28 AM
petrol smoker petrol smoker is offline
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Default Re: Ruston & Hornsby PB 3HP: Find + Restoration

Quote:
Originally Posted by Combustor View Post
Hi Petrol Smoker,
Harris Scarfe and Sandover, (commonly called 'Sandovers') were distributors for R&H during WW2 and since. In war time engines were not available ex Britain but Sandovers had large stocks of PB model spares on hand so were allowed to have castings made by a local foundry then machined and assembled them in their own engineering shop. Believe it was only several hundred engines and they were designated model SPB. Have seen further info some where, but this is what I recall at short notice. Regards,
Combustor.
Hi Combustor.
Puzzled... The plate on my engine shows the engine to be a class "PB", although it falls right in WWII's time frame. Does this mean there is a chance that the engine was build in England? (There is a strip plate above the nameplate that says "Made in England"...) OR is it a fact that all these engines where made in Australia during the war?
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