meccano no.1

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invicta280
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meccano no.1

Post by invicta280 » Tue Dec 13, 2011 9:29 pm

i've acquired a meccano no.1 clockwork drive unit which i want to use as the basis of a small railbus on 32mm track.

I'm not sure of the best way to orientate the motor (vertical or flat).
This will obviously depend on the final drive arrangement - bevelled gears/worm drive etc.
Having never done this before i dont know whether to experiment with some IP gears which are cheap but appear to be designed for
battery power. Do i need some heavy duty metal cogs, chain drive?

I'd prefer to drive a single axle rather than a bogie to avoid the c/w mechanism having to swing about within the body, though that may not be a big problem.
I'm sure that someone among us has done this before and could offer some do's and don'ts.
Would be grateful for any advice..... :D

Hmm, mebbe i should've posted in help me! section. :oops:

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Post by MDLR » Tue Dec 13, 2011 11:09 pm

The way it was intended to be used was vertically, but using it like that would mean no interior. Could you build a railcar with a separate engine compartment behind one of the cabs? Meccano gears would work best - quite possibly a straight gear drive with some reduction incorporated  and you can get gears fairly readily.
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Post by invicta280 » Tue Dec 13, 2011 11:32 pm

Thanks MDLR, yes i did think about a luggage/guards compartment at the back, containing the motor driving onto a single axle with a small bogie at the front. Maybe a sort of passenger/parcels combine.

There is a link in this section to various spring drive delights which hints that the meccano no1 motor needs a 2:1 reduction.

I'm assuming that if i bought a selection of meccano gears/worms/axle that they should at least be compatible, i.e the gears should fit the drive shaft etc.

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Post by IrishPeter » Wed Dec 14, 2011 3:25 am

The Castlederg and Victoria Bridge Tramway had a railbus with two axles fixed under the carbody and a two wheel pony truck under the parafin motor.  The first two Donegal diesels - 7 and 8 - were that way too.  Take a look at some pics and see what you can nick in terms of design inspiration.  

ISTT that the GSR West Clare section Drewrys were effectively four wheelers with a pony truck at both ends - they could be driven from either end like the C&VBT example, and unlike the CDR cars.  They also could not haul the skin off a rice pud!

Peter in AZ
Traffic Pattern? What pattern? Spuds out; grain in, but cattle, sheep and passengers are a lot less predictable.

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Post by MDLR » Wed Dec 14, 2011 11:16 am

invicta280:63116 wrote:I'm assuming that if I bought a selection of Meccano gears/worms/axle that they should at least be compatible, i.e the gears should fit the drive shaft etc.
Most certainly - it might even pay you to go the whole hog and bore out a set of axle boxes and wheels to take a Meccano axle - that way, you'll be compatible all the way through.
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Re: meccano no.1

Post by GTB » Wed Dec 14, 2011 11:18 am

invicta280:63106 wrote:i've acquired a meccano no.1 clockwork drive unit which i want to use as the basis of a small railbus on 32mm track.
The Wee Donegal had examples of most types of railcar over the years and there are photos of them on the preservation group website.

http://www.donegalrailway.com/railcars/

Railcars on some railways hauled small vans for luggage, parcels and light goods. It wouldn't be difficult to mount the clockwork motor into a box van body and just push a dummy railcar around. You could also fit a working sliding door, so there's no visible winding hole.

Regards,
Graeme

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Post by invicta280 » Wed Dec 14, 2011 9:10 pm

Thanks for the info guys. Some lovely machines there. The CDR railcars have always appealed to me.

Yes Graeme, the sliding door luggage van is a good wheeze. Could even store the key in it to save losing it!

This would be my ideal ( or something like it )........

http://youtu.be/NoKuRp6D0qs


....but would require the motor to be in flat orientation unless it was half passenger half parcels. Anyway i'll try some fiddling with various gears etc

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Post by MDLR » Wed Dec 14, 2011 10:18 pm

It's interesting to listen to the "Trip On" video - there's a LOT of AEC bus in there!
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Post by invicta280 » Wed Dec 14, 2011 11:36 pm

Indeed, and it looks like the driver is giving it a 'wind'. Maybe its clockwork after all!

Its the iconic AEC grille and the quaint front end that appeals to me.

Note that its single axle at the back. I think it must be a prop shaft
from the forward mounted engine to the back axle. In other words a bus on rails

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Post by GTB » Thu Dec 15, 2011 10:10 am

invicta280:63167 wrote: Its the iconic AEC grille and the quaint front end that appeals to me.

Note that its single axle at the back. I think it must be a prop shaft
from the forward mounted engine to the back axle. In other words a bus on rails
AEC based railcars ran in a couple of Aust systems. Underneath they were basically just a truck chassis fitted with flanged wheels, with the motor at the front driving the diff at the back via a prop shaft. Usually the gearbox was original with only one reverse gear, requiring some way of turning them at the end of the run.

The broad gauge VR built 20 odd using AEC Y type truck chassis in the early 1920's. These had a single front axle, as VR engineers considered a bogie would add to much weight. They also considered them for the 2'6" lines, but none were built.

http://upload.wikimedia.org/wikipedia/c ... ington.jpg


The 3'6" Queensland Railways built a large number in several series during the '20s and '30s using AEC truck chassis. All had much the same chassis arrangement, but increasingly larger and sophisticated bodywork, with higher power motors. In later years the petrol motors were replaced with various size Gardner diesels, which is probably what is still powering the preserved example in your video clip. A few survived into preservation.

Early QR ones had open bodywork and the engine forward of the driver.

http://i80.photobucket.com/albums/j182/ ... nberra.jpg
http://www.heritagerailsa.org.au/Images/newscast08.jpg

The one used at Normanton seems to have a goods compartment at the back.

http://www.ozbob.com/grand/images/gulflander1.jpg

As time went on they fitted a bigger body with the motor beside the driver.

http://www.planbooktravel.com.au/travel ... ?isImage=1

The last ones built before the war were 'streamlined'.....

http://4.bp.blogspot.com/_4ABn5SlE7k0/T ... ander2.jpg

Regards,
Graeme

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Post by invicta280 » Thu Dec 15, 2011 7:48 pm

Ah! Great pics there Graeme.

You can see how they developed. The last one has hints of the Bugatti streamliners about it.

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Post by GTB » Fri Dec 16, 2011 9:50 am

invicta280:63215 wrote:The last one has hints of the Bugatti streamliners about it.
It looks more like a postwar Morris J van to be honest... :)

Probably based on '30s bus designs. Other Aust railways had small railcars of similar appearance, some of which were built by Waddingtons, who were bus builders.

Graeme

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Post by wahiba » Tue Jan 10, 2012 6:05 pm

My effort with a Meccano No 1 motor.

I was not impressed, but I have been advised that a thorough clean to reduce as much internal friction as possible helps.

http://www.youtube.com/watch?v=XugchhGG ... plpp_video
One of these days I will start thinking about specialising.

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Post by MDLR » Tue Jan 10, 2012 8:00 pm

That's not bad. wind and allow the motor to run down in a bath of car engine cleaner - it'll shift all the muck, then oil with very light oil (like sewing machine oil) and you'll find its a totally different animal!
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Post by Annie » Fri Dec 18, 2015 5:16 am

invicta280:63151 wrote:Thanks for the info guys. Some lovely machines there. The CDR railcars have always appealed to me.

Yes Graeme, the sliding door luggage van is a good wheeze. Could even store the key in it to save losing it!

This would be my ideal ( or something like it )........

http://youtu.be/NoKuRp6D0qs


....but would require the motor to be in flat orientation  unless it was half passenger half parcels. Anyway  i'll try some fiddling with various gears etc
Love that video :) Lots of detail shown too that would interest a scratchbuilder.
What has Reality done for you lately?

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