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Compagnie Boleo (Boleo Copper Co., Baja California)
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 Posted: Sun Mar 6th, 2016 05:16 pm
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Salada
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End of discussion at the moment Ken, until any further info/photos come to light. By coincidence all of the intact pipework photos, incl the UC San Diego source, are of the RHS driver's (engineer's) side only. The "window" has been cut into both cab sides, so I'm still inclined to think it has something to do with manual control of the boiler feed-water.

Another oddity is none of the photos show a brake operating cylinder, neither vacuum nor Westinghouse, though the leading & centre axle drivers have brake shoes.  

Regards,               Michael   

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 Posted: Sun Mar 6th, 2016 08:36 pm
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elminero67
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My initial impression was that the small windows on the cabs had something to do with the conversion to oil burners-perhaps access to a valve or sight window?

My second theory was that the windows would allow employees to place their burritos (wrapped in foil) next to the boiler so they would be hot for lunch. I only say that because that is how I use to keep my lunch burrito warm, albeit on an internal combustion motor...



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 Posted: Sun Mar 6th, 2016 10:05 pm
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Herb Kephart
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Driver steam brake?

Herb



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 Posted: Mon Mar 7th, 2016 02:21 am
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Salada
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Herb Kephart wrote: Driver steam brake?

Herb


Herb: All steam loco brakes require an operating cylinder*, whether steam, air pressure or vacuum. *Usually, but not always, situated near the trailing (rear) of the frames (chassis) where the cylinder piston rods can act directly, or via a crank lever, onto the brake rigging rod ends.

Regards,             Michael

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 Posted: Mon Mar 7th, 2016 02:50 am
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Salada
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Yes Duane, obvious really, the 'windows' gave access to a tortilla toaster - probably a better flavour than anything from Taco Bell - but not as good as egg & bacon directly off a clean shovel on a coal burner.

I've never repaired nor crewed an oil burner but as I understand it the fuel is fed centrally into a modified grate design so access from either side wouldn't be required ?.

Regards,            Michael

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 Posted: Tue Mar 8th, 2016 08:30 pm
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Herb Kephart
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Yeah, yeah,yeah---but are you sure that there isn't a cylinder behind the valve gear?  Or one that was taken off, and the shoes and their hangers left behind?

Herb



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 Posted: Wed Mar 9th, 2016 01:45 am
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Salada
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Only an idiot would mount the brake cylinder behind the valve gear .......mind you !!??.

To remove one brake cylinder is possible, but ALL the photos of the C.B.'s in service locos lack brake cylinders.

E' un mistero messicano.

Ole',    Miguel

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 Posted: Wed Mar 9th, 2016 11:46 am
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oztrainz
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Hi all
May have been handbrake only? We have one locomotive where the braking effort is directly proportional to the size of the fireman you can fit into a small cab :P



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 Posted: Fri Mar 11th, 2016 08:22 am
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Ray Dunakin
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Very interesting stuff. I don't think I've ever seen a headlight bracket so tall as that before!



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 Posted: Mon Mar 14th, 2016 07:24 am
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elminero67
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Until someone comes up with a more plausible explanation for the little cab windows, I'm sticking with burrito warming windows.

Something that I find fascinating is the cab on this locomotive, which sits on the median of a boulevard near the museum:.



I'm really glad that they haven't restored this one, as then I couldn't see some of the details of the cab construction:





When you look at a steam locomotive, they look substantial and sturdy. But the cab infrastructure itself is fairly delicate-the frame is clear grain, quarter sawn (pine?) attached with mortise and tenon joints with a few square nails. The corners are secured with wrought iron angle pieces. Since it has square nails, I'm reasonable certain that this is the original cab. I haven't spent much time researching them, but this loco is either #2, 4 or 5, built in 1886 or 1887 respectively. I suspect that loco #7, the well maintained one in the town park (1899) would have wire nails as that is about the time folks switched. Now I wished I'd taken more pics...seems like as good a reason as any to go back!



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