Bachmann release Gnew VB Loco (LOL)

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Gerry Bullock
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Bachmann release Gnew VB Loco (LOL)

Postby Gerry Bullock » Sat Jan 12, 2008 11:17 am

Here's the video:
Image

Photos of Gnew catalogue pages to follow :twisted: :lol: :lol:
So little time, so many ideas!!!!! GerryB.
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Postby More_Cats_Than_Sense » Sat Jan 12, 2008 11:33 am

Looks interesting Gerry :D Was it slipping at the start there?
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Postby Nick Ellingworth » Sat Jan 12, 2008 11:45 am

That's excellent Gerry, I must get my hands on one of those chassis

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Postby Steve Bennett » Sat Jan 12, 2008 11:46 am

Good to see you posted it Gerry. I think there might be a few like this getting built when others see how you went about it. Dont want to steal your thunder, but probably worth mentioning that it is a Bachmann Percy/Junior, I will shut up now :) .
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Postby More_Cats_Than_Sense » Sat Jan 12, 2008 11:50 am

Steve Bennett wrote: it is a Bachmann Percy/Junior, I will shut up now :) .


I think I have one of those :D
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Postby dr5euss » Sat Jan 12, 2008 11:55 am

I thought it was the gas mech :oops:

Is it just a matter of moving the sliding bit's normally parallel to the horizontal connection rod upwards 90 degrees?

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Postby Gerry Bullock » Sat Jan 12, 2008 1:42 pm

It was slipping Barry as it was trying to go right when prevented from so doing by the Acrylic sheet end stop. My comment: "Try taking a video and operate the controller at same time - two hands aren't sufficient", hence the slipping :lol:
No George Gas Mechanicals don't have conrod and piston mechanisms :roll:
When I find time to take a series of photos all will be clear. It's a relative easy bash, the most difficult part, I'm working on now, is to modify a suitable tube to cover Bachmann Motor/Gearbox unit- involves cutting a tube to fit another tube one at right angles to tuther. My Loco is Percy version so has the gearbox to control eyes, the Junior UK version may well be different BUT I don't have one to check.
Yes George simply rotate the piston mechanism through 90 degrees, the footplate on this Bachmann already has a convenient aperture where the mechanism Gneeds to go BUT it does require enlarging. Not easy with a knife. I used a cylindrical cutting blade (50 years old at least) that would normally fit a junior hacksaw and cut a couple of slots to enlarge the hole. Then a knife can be used. I doubt that a junior hacksaw blade can be used as original aperture is too small and any sawing action would damage the pick-up wipers.
So little time, so many ideas!!!!! GerryB.

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Postby Gerry Bullock » Sat Jan 12, 2008 7:39 pm

Well here's the "Bodge" photo however I can say already that build will not be using these components perhaps apart from the water tank.
Image
So little time, so many ideas!!!!! GerryB.

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Postby Dave Westall » Sat Jan 12, 2008 11:22 pm

That's an amazing bit of film Gerry 8)

As Steve inferred you may have started a new trend. :lol: :lol:


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Postby docnjoj » Sat Jan 12, 2008 11:26 pm

What camera do U use! Thats fantastic clarity!
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Postby Bob Taylor » Sat Jan 12, 2008 11:28 pm

Definitely see 2008 being the "year of the V/B" :shock:

That looks great already.



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Postby SOUTHPASS » Sat Jan 12, 2008 11:37 pm

Gerry if you are not going to use the eye mechanism for anything, you can cut right back to the first gear and motor. You still have a good working unit but not so big to cover. Check out the supplement in April Tome. The moving pistons really catch the eye :D . Looks great.
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Postby michael » Sun Jan 13, 2008 6:33 am

Gerry that is brilliant! I think that I might have to revisit some of the Percys that I have kicking around. Great video.
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Postby AndyA » Sun Jan 13, 2008 8:22 am

Gneiss wun, Gerry.

I didn't think it would be long before someone did it better, and the Percy valve-gear is clearly better suited, but I don't have any to hand. I think mine were Smokey Joe's but the bodies are long gone. You've certainly given me some good ideas as to how to disguise the shortcomings of my chassis.

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Postby Gerry Bullock » Sun Jan 13, 2008 9:16 am

Thanks for comments Guys which I'll answer later what I will say is that having now seen a close-up photo of Keef's Paddy I won't be using the water tank. :wink:
So little time, so many ideas!!!!! GerryB.

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Postby Gerry Bullock » Sun Jan 13, 2008 1:47 pm

Right here goes, the teach-in (April Tome Supp) doesn't show this loco. Having said that it still looks possible albeit I guess the cutting needs to be done on an assembled unit after removing surplus gearing.
The Camera Doc is US Surplus :lol: bought from one of our Food Supermarkets for < £100 (all the packaging was American with stickers applied). I guess they couldn't sell them your side of Pond so thought the Brits will buy them so I did. :lol: It's a Fuji FinePix F460 Digicam, just 5.1 Mp BUT also has a video function. Good buy as far as I'm concerned as it holds charge during 2 weeks whilst taking upto 200 photos.
The photos I take are manipulated using XnView (thanks Steve) a program for Dummies :lol: easy to use. :D
Now back to the Bachmann VB release - if only they Gknew what we got upto with their products. :twisted:
Here's photo of components as at today though I'm not sure as yet whether I'll use the Boiler moulding.
Image

The "Boiler" isn't tall enough so requires an additional piece at base, component is part of a Magic Train Tanker and is just right in terms of Diam.
Footplate is a 3-piece 1mm Plasticard sandwich which sits over Bachmann footplate including the buffers.
The Cylinders from Bachmann are increased in diam and length using 7/16 tube from Evergreen. I prefer splitting tube to the wrap process favoured by others. :wink:
That's it, save to say that I'm proposing to have the Loco constructed so that it can be dismantled to access the Bachmann parts - remains to be seen if I win. :lol:
So little time, so many ideas!!!!! GerryB.

http://gn15gnutt.blogspot.com/

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Postby Les » Sun Jan 13, 2008 10:11 pm

Brilliant idea and execution Gerry! That's a real "must build" like you said. :D
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Postby Gerry Bullock » Sun Jan 13, 2008 10:13 pm

Let me know when you want the tubing Les :wink:
So little time, so many ideas!!!!! GerryB.

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Postby John New » Sun Jan 13, 2008 10:55 pm

All the photo's I have to hand of prototype VB engines seem to be of locomotives with drive connections inside the frames. Were there any outside crank connected VB's?

As I am likely to model normal boiler engines which should have outside frames and outside valve gear on an r-t-r chassis representing inside frames and valve gear the thought of using an adapted Smokey Joe, Percy or Bill/Ben chassis for an outside connected VB isn't a problem to me as a concept.

The query as to whether there were any is more one of curiosity.
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Postby GUTMACH » Mon Jan 14, 2008 5:07 am

Were there any outside crank connected VB's?


Dunkirks.

http://www.gearedsteam.com/dunkirk/images/4-wheel.jpg

I know, just a little too big for Gn15, perhaps Gn18 as well.

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Postby John New » Mon Jan 14, 2008 7:45 am

Thanks for response Zonie re the Dunkirks.

Apologies for my wording error. What I meant was VB engines where the connecting rods come down outside the wheels to meet the coupling rods on an outside crank pin rather than inside i.e. between the wheels.
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Postby Gerry Bullock » Mon Jan 14, 2008 8:19 am

I'm certainly no expert on anything regarding railways John BUT the likelihood of such a beast in engineering terms is probably nil. What you're asking for is a cylinder assy outside the normal loading gauge of the loco. By that I mean the mounting of the cylinders would have to be so far out as to create a monster of a machine which would seem to serve no useful purpose.
So little time, so many ideas!!!!! GerryB.

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Postby Simon Andrews » Mon Jan 14, 2008 9:40 am

Ransomes and Rapier built an O/S frame 18" gauge VBT with cylinders etc connecting to O/S cranks. I will try to find a picture later.

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Postby chris krupa » Mon Jan 14, 2008 10:24 am

There was also a pair of horizontal boilered but vertical cylinder locos on one of the midlands ironstone lines. The cylinders drove on to cranks which were connected by rods to the wheels I think. As I'm at work I can't look up the reference but there are pictures in one of Eric Tonks' books on the ironstone railways. These locos were I think 3 foot gauge or thereabouts though.

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Postby Steve Bennett » Mon Jan 14, 2008 11:10 am

chris krupa wrote:There was also a pair of horizontal boilered but vertical cylinder locos on one of the midlands ironstone lines. The cylinders drove on to cranks which were connected by rods to the wheels I think. As I'm at work I can't look up the reference but there are pictures in one of Eric Tonks' books on the ironstone railways. These locos were I think 3 foot gauge or thereabouts though.


Are you thinking of the ones built by Balmforth's :?:
The same builders that Backwoods Miniatures based their On30 vertical boiler loco on.

Image

Image

Sorry to ruin any illusions for those that thought this was based on a US built loco, afraid not :) .
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