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topic: 1550Wheel Rail interaction in 4 mm
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posted: 23 Jun 2011 07:18

from:

JFS
 
United Kingdom

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I thought this vid might be of interest...





... I hope my wheels don't wobble quite that much!

Best Wishes,

H

posted: 24 Jun 2011 20:40

from:

Rob Manchester
 
Manchester - United Kingdom

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Howard,

It is a good job the wheels have nice big flanges! Toy train makers used to fit their stock with wheels like these.....oops, silly me, they still do.

It would be interesting if anybody could post a comparison vid taken on P4 or Scaleseven to show the difference.

Rob

posted: 24 Jun 2011 21:07

from:

Peter_Hirons
 
Ireland

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I was a bit concerned with the amount of end-float of the axles in the bearings. Didn't think pin-points were meant to do that :roll::roll:

posted: 25 Jun 2011 10:15

from:

JFS
 
United Kingdom

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I was actually surprised - it rides a lot better than I expected. I think it is a great way to see how good / bad your track actually is and agree that it would be good to do one in a "more scale" standard - though I have seen some pretty ropey P4 track in truth!!

Does anyone know what the technology looks like to make a vid like this?

Peter, I agree and I think that end-floaty axles are both too common and a source of potential derailments due to the wheelsets getting out of line.

Howard.

posted: 25 Jun 2011 11:51

from:

Nigel Brown
 
 

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Not sure I'd worry about either the wheel wobble or the end float visible in the video. Suspect in both cases it's well within acceptable tolerances, and a small amount of end float may add a tad of flexibility; certainly you don't want things too tight.

Cheers
Nigel

posted: 25 Jun 2011 17:25

from:

Jim Guthrie
 
United Kingdom

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Nigel Brown wrote:
Not sure I'd worry about either the wheel wobble or the end float visible in the video. Suspect in both cases it's well within acceptable tolerances, and a small amount of end float may add a tad of flexibility; certainly you don't want things too tight.
Nigel,

It depends on the wheel and track standards you are using.   That much wheel wobble can be an embarrassment if the wobble goes the wrong way at a crossing nose on the (close to) exact scale setups.   And with some automatic coupling systems,  they look for minimal end float on a vehicle's axles to ensure coupling - such as the Alex Jackson design.

But it would be interesting to see what happens on an exact scale setup - P4, S scale, Scale7.  I believe that you can get small camera recorders which can be housed on a model wagon and be used to record what happens on board.   I believe they record to onboard memory that is played out afterwards.

Jim.

posted: 25 Jun 2011 17:33

from:

Jim Guthrie
 
United Kingdom

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JFS wrote:
Does anyone know what the technology looks like to make a vid like this?
Howard,

Maybe something like this

http://swannsecurity.com/s/products/view/?product=998

It looks as though the camera is in the cap of the pen. which makes it less that half the length of the complete pen - say under three inches.

Jim.

posted: 26 Jun 2011 09:39

from:

Howard
 
United Kingdom

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Jim Guthrie wrote:
I believe that you can get small camera recorders which can be housed on a model wagon and be used to record what happens on board. I believe they record to onboard memory that is played out afterwards.
I've been playing with an N gauge camera truck made by Bruce Piggott; he also makes a camera wagon in 00. These could be rewheeled or set on a different chassis for fine scale. For the application in mind you would also need to turn the camera mounting upside down to get a nearer track view.

http://www.branor.co.uk

He uses the same type of camera as the "spy cams" in pens and cigarette lighters, but I believe he uses a special lens to get extra depth of field. I was impressed with the quality of the recording, much better than wi-fi cameras I have used.

I made the following video - before you laugh too much at the track remember this layout is 25 years old and the hand built track was built to N gauge standards. I never thought I'd mention it on this site!



http://www.youtube.com/watch?v=xnqZAkeUZMU

Howard.

posted: 26 Jun 2011 16:58

from:

JFS
 
United Kingdom

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Thanks for the answers to my question chaps. Howard, thanks for the vid link - it is fascinating to see how the vehicle responds to the track! I see there are quite a few such videos on youtube - I think Pendon could use these ideas - it seems such a waste that 90% of the Vale scene is normally invisible.

It seems the Branor camera wagons have been popular - they are sold out!

I also had a look in the Maplins catalogue - lots of suitable gear and, my goodness, there are some sinister things out there!

Regards,

Howard.



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