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Old 17-09-17, 08:24 AM   #11
Lister M
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Balancing the engine and compressor would be a total waste of time because of the 4/5 to one pulley sizes would mean on start up it would out of balance immediately.

Martin P
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Old 18-09-17, 11:33 AM   #12
keith rees
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Balancing the engine and compressor would be a total waste of time because of the 4/5 to one pulley sizes would mean on start up it would out of balance immediately.

Martin P
Of course, Martin. Didn't consider that at all.
Even if it was geared or chain driven, wouldn't make any difference.
Looks like we will have to put up with the vibration.
It's OK on soft ground but it wants to 'walk' on hard surfaces.
Thanks for the update.
Keith.
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Old 18-09-17, 12:39 PM   #13
Lister M
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Make a couple of wooden frames around two pairs of wheels, where the wheels touch two of the faces make these faces like wedges. it wont walk then.

Martin P
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Old 18-09-17, 05:11 PM   #14
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Not quite the same thing but our garage compressor (electric) is of some vintage my dad bought it second hand 50 years ago and was very second then, anyways she has been in daily use ever since, anyways she had a nasty habit of walking so 25 years ago fitted her feet with mk4 cortina engine mounts and she has moved a inch since, like wise we used to get a lot of intake noise and fitted a skoda estelle air filter,

these modern ones are not a patch on the good ole cast iron lumps, when my dad first bought it it would fill the tank from empty to cut off in 23 seconds timed her again last night 24 seconds so cant be bad only lost a second in 50yrs
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Old 18-09-17, 07:48 PM   #15
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Thanks everyone for your inputs.
I haven't found any markings on the engine.
The top cowling is missing.
The numbers are not stamped into the top cowling, they are stamped into the airshroud (the thing with the starter fastened to it) and will probably start with something like 80202 seeing as it appears to be a 3HP engine.
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Old 19-09-17, 09:40 AM   #16
keith rees
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Default Briggs & Stratton compressor

Good idea about the wooden frames.
I'm not sure where this unit is going to be located yet. If it is on hard ground then we could ask our carpenter to knock us some up.
We intend to use the compressor as a source of vacuum.
To test the brakes on locos and rolling stock.
Had a closer look at the 'starter' cowling. Again no markings. There are a couple of nice labels on the actual compressor though.
It doesn't really matter at this point. We don't have to replace anything major on the machine. It's only the silencer that needs some attention. I'll fix that!
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Old 19-09-17, 10:04 AM   #17
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BSNumberLoc by Robert Starr, on Flickr

There should be a black and silver label as above, on the L/H edge is "Model, Type and Code" written vertically in Silver on Black, the corresponding numbers are stamped into the cowl to the left of the label, they can be quite difficult to make out. Even if the label is missing, it should point you in the right direction for the numbers.

Stuart.
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Old 19-09-17, 12:14 PM   #18
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Others will know better, but I'm not entirely sure that a compressor is a suitable source of vacuum? Surely a vacuum pump...

MP
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Old 19-09-17, 12:27 PM   #19
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Others will know better, but I'm not entirely sure that a compressor is a suitable source of vacuum? Surely a vacuum pump...

MP
Using the compressed air to create vacuum via the use of an ejector may be viable. Relying on the suction side of a compressor probably not. Brake systems rely on high volume vacuum at a low depression, you have a device to produce low volumes of air at a high pressure.

Dan
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Old 19-09-17, 01:29 PM   #20
Windrush
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Others will know better, but I'm not entirely sure that a compressor is a suitable source of vacuum? Surely a vacuum pump...

MP
Broomwade N1 compressors were also used, rebadged, by Macford (and some others) as vacuum pumps for milking machines, however I don't know exactly what alterations were made, assuming that there were any.

Pete.
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