7mm US model dabblings

mickoo

Western Thunderer
Which one..... AC12, AC9 :D.....etc
:rolleyes: you're such a scoundrel :p

I do like the AC9 with it's skyline casing, shame the others classes never got that.

For those not in the 'know' the SP AC9 was the only AC class that wasn't a cab forward :cool:

One of their interesting links on the location of works drawings Where to get copies of original Lima Locomotive Works and Baldwin Locomotive Prints

Which frustratingly seems not to work :(
 
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Brian McKenzie

Western Thunderer

Mick, try <Original Lima & Baldwin Locomotive Prints>

DeGolyer Library have a searchable database for Baldwin stuff:
<Baldwin Locomotive Works engine specifications, 1869-1938 :: Railroads - Photographs, Manuscripts, and Imprints>

and for your eclectic tastes:
<The-Blueprints.com - Search results for `locomotive`>

. . . . now, that's taken care of your hobby funds for the rest of the year :D

-Brian McK.

Edit: . . . . but should there be any lucre left, have a look at some of Gary Schrader's videos:
<
>
 
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mickoo

Western Thunderer
Brian,

Cheers, I'd seen Gary's videos as well but forgot to link them, some really nice work there :thumbs:

For drawings I book marked this page a long time ago, specifically for UP Challengers, seems in the intervening years the collection has grown :eek:

Union Pacific Locomotive Drawings | Railroad Drawings

These pages being new :thumbs:
Southern Pacific Railroad Drawings | Locomotive Drawings
Atchison, Topeka & Santa Fe Railroad Drawings | Locomotive Drawings

Sadly no ATSF 2-10-4 drawings, though I do have them of sorts and the AC12 in Model Railroader Cyclopedia in OO scale (Kalmbach).

MD
 

Peter

Western Thunderer
Brian,

Cheers, I'd seen Gary's videos as well but forgot to link them, some really nice work there :thumbs:

For drawings I book marked this page a long time ago, specifically for UP Challengers, seems in the intervening years the collection has grown :eek:

Union Pacific Locomotive Drawings | Railroad Drawings

These pages being new :thumbs:
Southern Pacific Railroad Drawings | Locomotive Drawings
Atchison, Topeka & Santa Fe Railroad Drawings | Locomotive Drawings

Sadly no ATSF 2-10-4 drawings, though I do have them of sorts and the AC12 in Model Railroader Cyclopedia in OO scale (Kalmbach).

MD

Hi Mick,

A good source of photos and drawings is Robert Church's "Cab-Forward". It contains copies at 1:48 scale, of erection card drawings of MC-1, MC-2, MM-1, MM-2, MM-3, AM-2, AC-3, AC-4, AC-6, AC-7, AC-9 and AC-12.

"Southern Pacific Daylight Locomotives" by Robert Church has drawings in HO scale. They are the following by Al Armitage for Mainline Modeler, GS-1, GS-2, GS-3, GS-4, GS-6 plus to HO scale a copy of the erection card for GS-7 from the 1938 Locomotive Cyclopedia.

Peter
 

mickoo

Western Thunderer
Peter,

Much obliged :thumbs:

I'd looked at those books, but the previews rarely tell you if there are decent drawings inside.

I do have a copy of the 1922 and 1930 Locomotive Cyclopedias, the 1930 has the AC12 in there.

MD
 

mickoo

Western Thunderer
Little update on goings on.

Back from Telford with a few bits and pieces, two from the bring and buy and one from a trader.

Both the B&B were bargains, especially the diesel but lets not get ahead of ourselves.

First up a six bay covered hopper, it won't stay as Great Northern though, mind I'm worried why it would be labelled as Great Northern as by the time this was built GN was a distant fallen flag RR?
IMG_0559.jpg

Next up a lovely corn syrup car, I didn't know that at the time and in full automatic car boot style grabbed it whilst with my spare hand flipping out the wallet and credit card in one smooth combined motion....MINE. I'd of taken a molten sulphur or oil tank as well but corn syrup fits very nicely with the planned industrial layout and bottling plant I've got planned. I may convert the above grain car to plastic pellet operation to compliment the tank car, I do of course now need another couple or three of each mind.
IMG_0554.jpg

The best bargain was however the Weaver U25B, it sat in the £15 and under section :eek:

Once again in full car boot mode and fighting the army of rucksacks that thwarted my advance I made steady pace to the bench, a last minute duck under and left side shift feint to thwart the flailing rucksack menace and my hand was on the box.....MINE. I've only opened it today to examine it.

IMG_0546.jpg

All the internals appear to be there, clearly no trucks or tanks and pilots, pish...no problem. There is a QSI MoBo so I'm guessing it'll be DCC controlled with no sound card added on top. It's not a problem either way as I'll probably pull it all and stick an ESU unit in there......more below :cool:

What is very interesting though is that the Weaver motor and mounts look identical to that used by Atlas :confused:
IMG_0549.jpg

If they are then that will be very handy as I've a spare 3 rail GP35 chassis I bought years ago just to get some Blombergs. Now I know a lot of early U Boats were bought against trade in's a lot of them ran on Blomberg trucks, SAL and SCL being two of the biggest collectors of U Boats on Blombergs. Whether any were U25B's I've not researched yet or if other railroads out West followed suit.

The body is nice and clean but will not stay as N&W, depending on Railroad usage it'll hopefully be something out west, SP, WP, UP or ATSF.
IMG_0552.jpg

I also picked up a GP30 in Union Pacific colours by MTH, the trucks are.......mmmm......table top scale is the politest way to describe them so if the spare GP35 trucks do not fit the U25B then it'll be Atlas/Roco side frames on the GP30.

Like the U25B I'm not sure where the GP30 will be headed and I'm at the point where I am going to have to make a decision and merge several interests and focus on one or two Railroads rather than the current meanderings I'm doing. I'm also going to have to try and pick an era too, modern on heritage traction. The GP30 will probably go to UP to compliment the DD35B I want at some point.

Staying with UP, y'all remember this little sexy kitten.
IMG_0560.jpg

I'd been following Daves SSW build and at Telford was invited over to hear the sound package he'd fitted in....err wow. I've heard some good sound, especially UK stuff and I'd found the box set MP15DC pretty dismal but this is in another league. All weekend I was like the child that kept running back to the shop window to peer in at a favourite toy.

There is no point waxing lyrically to anyone who has never heard a lumpy GE at tick over, Dave's set up is a time machine to the US and standing beside a huge 250t + GE thumping great lump. Needless to say I had to have it and on Sunday afternoon, when it was clear there was going to be no more bargains on the B&B I accosted Dave and told him to spend my money. Walking away with a jewellery sized box with a jewellery sized price tag I wonder if I'd done the right thing. None the less Dave worked his magic and loaded the sound files and his config onto the chip and I was all set to go :cool:

Anyway, once home I re-read Daves thread and decided that I'd try and get the big speaker in the tank rather than in the body as Dave had done.
IMG_0562.jpg

Clearly it's a big unit, once the tank is removed there is actually room for a bigger one but not in depth, the extended cone is already a smidge too close to the track, I can pull that side up a bit as it's only fixed on the right, even then the cone is almost exactly the same height as the tank floor above the track. It's also clear that the original tank is not going back on!

IMG_0565.jpg

A new tank is not a problem at all, it's a simple shape and won't take more than a few hours to scratch build one in brass, unlike the cast one which has sound holes in the bottom mine'll have nothing except maybe a fine mesh to protect the speaker cones. Mine will also be extended downward by 1.0 mm so that side on the cone will not be visible. The alternative is to mill out the few small sections that stop the speaker sitting flush with the engine room floor above by 2-3 mm. I don't have a mill so that'll a long winded job with drilled holes opened out with a Dremel and all made flush.

The next step was the front motor removal, I wanted a daylight cap, it was high on my list and being as I'm not intending to pull scale mile long pig racks at 75mph then the loss of one motor won't be an issue.
IMG_0566.jpg

With the motor removed it leaves a clear space for a fully detailed cab, I'm not overly happy at the WW1 battle ship cab wall construction so may well work up an etched nickel silver replacement cab. The other tasks are to daylight the dynamic brake intake vanes and roof grills as well as the electrical cubicle filters. This is important as that will be where the smaller of the two speakers will go and the openings will let the sound out.

Internally all of the Atlas wiring and circuit boards were removed, there's a nice NCE (that's what it says on the label) decoder in there which will be saved for another soundless project or perhaps even sold on the bay of 'e' to fund a new ESU unit at some point. Also removed were all the light packages and smoke unit.IMG_0568.jpg

This significantly reduces the wiring nest and allows the ESU unit to be fitted up front in the electrical cubicle area, the second speaker is temporarily placed down near the back as I've been running tests with the radiator roof section removed to see and hear if it makes a difference to audio levels and clarity etc.

IMG_0572.jpg

Another view showing the set up from the other side, I made a small clip from some scrap etch to stop the wiring flailing around inside at the rear end and will work out some way to stack the smaller speaker above the chip and expansion boards.

I still have to carry out the same work Dave did with the truck side frames and make new truck mounting plates so that false cill beams can be fitted. I'm also tempted to daylight the radiator section and all of the engine room doors, up close the fit could be described as.......loose..
IMG_8509.JPG

I'd also love to do a Lee Turner RS-3 job on this or a similar GE unit, I'm in two minds on the layout choice, an industrial shunting or modern image depot style.

Back to the sound, when I fired it up first time yesterday most of the family thought I'd bought a trawler home when it dropped into low idle, the wife said "little boys with little toys", the two eldest kids said "WTF is that" and the youngest said, daddy that sounds like that big blue engine we saw on holiday.....that's my girl :thumbs:

IMG_9045a.JPG

Enjoy.
 
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Jordan

Mid-Western Thunderer
Well that explains the lack of US outline bargains by the time I got to Guildex :rolleyes: :oops: not jealous of the tanker in any way whatsoever :p

Having owned (briefly) a 'China-drive' Weaver loco, you're better off without the trucks - the whole set-up seemed much cruder than the Atlas components, ran worse, & made noises a coffee grinder would be embarrassed of..!!
 

mickoo

Western Thunderer
Well that explains the lack of US outline bargains by the time I got to Guildex :rolleyes: :oops: not jealous of the tanker in any way whatsoever :p

Having owned (briefly) a 'China-drive' Weaver loco, you're better off without the trucks - the whole set-up seemed much cruder than the Atlas components, ran worse, & made noises a coffee grinder would be embarrassed of..!!
The B;&B stuff was picked up quite late around eleven so surprised it was there actually. Once I put one of Dave's sound set ups in it'll drown out a cement mixer drive train lol.

MD
 

Jordan

Mid-Western Thunderer
I saw the Deltic run on Legomanbiffo's stand, & to be honest, have never heard bass like it from a model loco before. As that was in a noisy exhibition hall, I do wonder what the effect would be at home!!??!!
 

mickoo

Western Thunderer
I saw the Deltic run on Legomanbiffo's stand, & to be honest, have never heard bass like it from a model loco before. As that was in a noisy exhibition hall, I do wonder what the effect would be at home!!??!!
Like the dash8...loud. At half setting the body shell vibrates.
 

Big Train James

Western Thunderer
The Great Northern hopper is legit, at least with respect to time frame. The hoppers came in during the early to mid 60's, while the BN merger between Great Northern, Northern Pacific, and C, B &Q happened either in 1970 or 1971 I think. This style of cylindrical hopper (Canadian grain hoppers excepted) was supplanted by the ACF Centerflow design fairly quickly though. Unfortunately, the only really good versions of the Centerflow cars are the Lionel aluminum bodied cars with separate details and the like, which will require new wheelsets at a minimum for conversion to 2 rail. Weaver makes a decent plastic early Centerflow, but it is a 4-bay version. They are cheap however, so are reasonable candidates for cutting down to 2-bay and 3-bay versions. Depending on era chosen, it would be completely feasible to see ACF Centerflows commonly in service today. The early cylindrical style you have are mostly, if not entirely, phased out by now. Let me know if you need some Weaver 4-bays for kitbashing. I've got a bunch that I was going to cut down so I'm sure I could spare a few.

You are already aware of this, but you will need to sort out your era(s) of choice. The cylindrical hopper would pair decently with the U25B. The tank car would make sense with the B40-8. But not if you switched them around.

Regarding the Weaver vertical motor drive, I think all manufacturers use this same design. I know that at least Atlas, Weaver, and Lionel use the same motors. I expect most of the other parts are the same as well.

While acknowledging that one can't just go to the local UK hobby shop and pick and choose for US outline models, the consensus over here is that the Lionel gp30 is the best starting point for a model of that prototype. Of course they would need to be converted to 2-rail, but the details are nice and overall the model is fairly accurate out of the box. If you do move toward a more modern era, you can always use the gp30 to represent one of the BN/BNSF rebuilt units, now designated gp39e or m or something similar. Generally, the externals haven't changed much from the original, although some models do have some new sheet metal here and there. No comment at this time regarding MTH anything.

I've got a few shows coming up in the next couple of months. It's always nice to find something to buy. Unfortunately, there just isn't much in the 2-rail realm that fits my needs. Which is too bad, since buying stuff - that may or may not ever actually get used - is regrettably the one aspect of the hobby that I truly excel at :rolleyes::eek::oops::oops::oops::oops:. So far anyway.

Jim
 

richard carr

Western Thunderer
Mick

I bought one of those speakers too, I hoping to get into a JLTRT 47, I bought the smaller one as a back up if I can't.

It sounded great on the stand


Richard
 

mickoo

Western Thunderer
Mick

I bought one of those speakers too, I hoping to get into a JLTRT 47, I bought the smaller one as a back up if I can't.

It sounded great on the stand


Richard
Plenty of room inside a JLTRT 47 I reckon and room to spare, if possible use both as the smaller one brings out some of the higher frequencies better than the big one. Even though US models are 1:48 scale they tend to work out pretty much the same size as UK models at 1:43.5 scale, plus they are full width bodies, something only a few US diesels have.

MD
 

mickoo

Western Thunderer
James,

Thanks for the info, I've a mixed bag of engines and stock at the moment so not really sure which direction to head. A depot layout could have a slow change of engines through out the years as you move along and a shunting layout can also change eras gradually.

For heritage engines I've a F9, GP9, GP30, U25B and SD35, the latter being a bit of a witch to fit in, but SP had some so it would fit with a heritage system out west.

For modern engines then it's only the MP15DC and B40-8, having said that I've just glanced under the desk and spotted a dusty box which to my joy has a factory fit NS GP15 inside which I had totally forgotten I'd had :eek:

I've also got a Atlas chassis with trucks and no motors GP35, plus another BN F9 in it's box not yet touched.

The F9's are a bit of a quandary, accepting their faults and leaving that box shut I've a couple of simple options, back date to a F7 which opens up other variants or stick with the base F9 shell. I've taken the nose number boards off the current one and will probably do so on the other as they are not really the right shape, worse than the other faults in my eyes. New 3D printed ones are the way to go. SP has some F7's I think, certainly FP7s but straight units I'm sure they had. ATSF is another F7 option, they look nice in warbonnet but there's also some other nice bonnet schemes, the blue bonnet is nice but there's also two types of yellow bonnet, one is over silver the other over blue so lots of schemes to choose from.....and yes I'd have to check which models carried which scheme.

Other that GEVOs or GE CW classes per se I'm still after a decent SD40-2 or SD45-2T tunnel motor, the T motor definitely an SP with inverted L windscreen and elephant ears. I'd also like a F45, easy enough shell to etch and I may purloin the SD35 trucks into that model at a later date short term ;)

MD
 
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