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Post Info TOPIC: Lebedenko Wektor 1/25 Cardmodel


Legend

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Lebedenko Wektor 1/25 Cardmodel
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The recent post of Kora's 1/72 Lebedenko prompted me to post the cardmodel equivalent. This is a cardmodel

on steroids - the scale cube in one of the images is 5cm on a side. The wheels are built up with copper wire spokes

- I haven't painted those black yet. The model lacks the guide rail on the back of the chassis leading up to the door.

The model itself isn't well engineered - the bulky chassis collapsed on me a couple of times.

At least the cardmodel is only a fraction of the cost (15.80 Euro vs 155.50 Euro) of the resin Kora model.

Regards,

Charlie

 



-- Edited by CharlieC on Tuesday 28th of June 2016 08:48:01 AM

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Legend

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Well that was an underwhelming response....

A couple of close up images showing a few of the many hundreds of rivets that went into this model.

And yes - the rivets are all hand made.

Regards,

Charlie



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SMK


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Hello
That is one big ......👍🏻👍🏻👍🏻👍🏻

And realy looking good.
A few years ago I tried this in 1/35......
I used the drawings (1/48) I found on this site and converted them to 1/35 on plastic sheet
The body was easy ,except for the zillion rivets😕
But then there were the big wheels, 😡👺👹💥☠🔫💣💀😭
I wasn't able to make acceptable wheels on this scale, so the whole project came to an end , I stil have the remains somewhere in a box.

How did you managed the wheels ?

Greetz Ronald



-- Edited by SMK on Wednesday 29th of June 2016 09:59:01 AM

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Legend

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The model comes with a jig you make out of 1mm card (attached). There's no instruction on how to build the wheels except

for a graphic showing how long the spokes are. I used annealed 0.8mm copper wire and threaded each spoke through the inner

hub and out to the rim. Each spoke was glued in with gel CA. The bent over ends in the hub were covered by an inner hub ring 

and thin ring across the hubs. The process is doable but it's very easy to get the alignment of the spokes wrong and it takes

a long time to do (240 spokes). Fortunately the spokes are a simple radial pattern rather than overlapped like a bicycle wheel.

The model consumes an amazing amount of 1mm card - fortunately the card on my local cornflake boxes is exactly 0.5mm so I can generate

lots of 1mm card easily.

Regards,

Charlie

 



-- Edited by CharlieC on Wednesday 29th of June 2016 10:13:37 AM



-- Edited by CharlieC on Wednesday 29th of June 2016 11:57:40 PM

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Field Marshal

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The US card 1/48 version is free unless you build it, and then you are supposed to make a $5 donation.

The spokes are all drawn in and just need to be photostatted onto clear film for use.  A bit of a fudge, but saves a hell of a lot of work.  If you want to do the wires yourself, this at least provides a template.

The card drawings show 64 wires per side on the wheels, so that makes 255 in total - still trying to work out  a jig that i can use on my lathe's dividing head to get the 64 holes drilled from one side of the hub before moving it 1/128th of the diameter to set up the other 64 holes.  The 1/48th card model as them overlapping, but I wonder if this is not an optical illusion caused by the two sides of the spoking looking that way when a photo is taken at an angle?

To do all the riveting definitely qualifies you for OCD classification Charlie - how did you make them domed?

Tony



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Legend

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The images of the Lebedenko appear to show the spokes laid out in a simple radial pattern rather than the overlapped

pattern found in other spoked wheels, The Wektor model has 60 spokes/side.

I make blanks for the rivets with a push cutter I bought years ago - there is an expensive Japanese paper drill you can buy 

- mine was quite cheap and does the same job. The cutter comes with bits from 1mm to 4mm. I used a 1mm cutter on the

Lebedenko model. Each "rivet" is shaped with a ball ended tool on a art gum rubber then glued on. A smidgin of water or water/alcohol

helps to shape the rivets especially on very dry days. I used to edge colour the rivets but realised that if I made a reasonable job of

making a hemisphere the edges wouldn't be seen. I'd advise that some sort of mental condition is essential for this task - either that

or an advanced case of bloody mindedness (as in "no effete, latte drinking Polish cardmodel designer is going to beat me..."). Which

of these alternatives applies to me I'll leave for others to judge.

Regards,

Charlie

 



-- Edited by CharlieC on Tuesday 5th of July 2016 01:52:19 AM

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Field Marshal

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I've got the Historex round and hex punches but these only produce discs.  I find if you stick them on and give them a quick wipe round with plastic cement, the edges are softened.

Have been looking at using silk pins, but their heads are rather large; better for 1/16 or 1/25 models.

Some people drill the holes, put stretched sprue from the back and run a flame across above the rivet rod to soften it so that it forms a dome - has to be done quickly!!!!

There was a thread a few years ago on using grainers to punch out discs from thin plastic while using a rubber base that would permit the point to sink in and thus maker a rounded rivet.

The method I'm exploring at the moment is to file a reasonably correct diameter drill bit into a rounded profile end instead of a pointed one.  This would be used to drill matching indentations by the dozen/hundred into a piece of flat aluminium and then make a very thin casting resin to be rubbed across the flat to fill in the indentations.  Once it has set, picking them out with the point of a No. 11 blade should be "easy".

Of course, you could also buy the cast rivets made in the US, but this could be pricey for a large model - I'm going to be building "Nellie" and that will require several hundred rivets!

Tony

 



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