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Two Stage Legs...Show Your Designs....


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#1 Alasdair Ryan

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Posted 11 October 2012 - 09:17 PM

I am working on something which requires two stage legs.

So Here is what I have came up with.......But can you make a better version?
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#2 matias bendtsen

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Posted 11 October 2012 - 09:27 PM

why two stage legs? i cant come up with something in real life with two stage legs. :laugh:
i used a pneumatic cylinder and a gear rack on my mobile crane. :classic:
simply building...

if you stop getting better, you stop being good.

#3 Alasdair Ryan

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Posted 11 October 2012 - 09:40 PM

View Postmatias bendtsen, on 11 October 2012 - 09:27 PM, said:

why two stage legs? i cant come up with something in real life with two stage legs. :laugh:
i used a pneumatic cylinder and a gear rack on my mobile crane. :classic:

Yes that would be too easy....lots of machiney has 2 stage legs.It would be better to copy the real one as closely as possible.
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#4 Jetro

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Posted 12 October 2012 - 02:37 PM

View PostAlasdair Ryan, on 11 October 2012 - 09:40 PM, said:

Yes that would be too easy....lots of machiney has 2 stage legs.It would be better to copy the real one as closely as possible.
Can you show some examples?

#5 Alasdair Ryan

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Posted 12 October 2012 - 03:03 PM

Here are some:

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#6 chorlton

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Posted 12 October 2012 - 04:25 PM

The pics aren't massively clear. I gather that's black string used so far, similar to the 8421 crane boom?
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#7 Alasdair Ryan

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Posted 12 October 2012 - 04:29 PM

View Postchorlton, on 12 October 2012 - 04:25 PM, said:

The pics aren't massively clear. I gather that's black string used so far, similar to the 8421 crane boom?

Yeb....the pics are clickable if it helps. :classic:

Edited by Alasdair Ryan, 12 October 2012 - 04:29 PM.

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#8 Tadej

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Posted 13 October 2012 - 10:45 PM

View Postmatias bendtsen, on 11 October 2012 - 09:27 PM, said:

why two stage legs? i cant come up with something in real life with two stage legs. :laugh:
i used a pneumatic cylinder and a gear rack on my mobile crane. :classic:
you are kidding right? almost all construction vehicles use two stage legs

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#9 Jetro

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Posted 13 October 2012 - 10:47 PM

Thanks for the pics. And there I was thinking about legs for walking, when in fact you're trying to build outriggers :laugh:

#10 matias bendtsen

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Posted 13 October 2012 - 10:54 PM

View PostTadej, on 13 October 2012 - 10:45 PM, said:

you are kidding right? almost all construction vehicles use two stage legs


the one you shows does not. :sweet:

the two alasdair shows does. :classic:
simply building...

if you stop getting better, you stop being good.

#11 Alasdair Ryan

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Posted 06 November 2012 - 05:06 PM

Marks out of ten..........

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I am not sure if I can remove any more of the sag when the whole leg is out...... :sceptic:

Edited by Alasdair Ryan, 06 November 2012 - 05:10 PM.

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#12 timslegos

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Posted 06 November 2012 - 06:35 PM

Looks cool, but can it support any weight?

tim

#13 Alasdair Ryan

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Posted 06 November 2012 - 06:45 PM

It should be able to lift 0.7kg
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#14 Sam42

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Posted 06 November 2012 - 07:59 PM

Looking good! You've seen my efforts in the flesh, pneumatic cylinders for the vertical stage are easier to implement but the mini la option does give better adjustability..

#15 Alasdair Ryan

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Posted 06 November 2012 - 09:03 PM

View PostSam42, on 06 November 2012 - 07:59 PM, said:

Looking good! You've seen my efforts in the flesh, pneumatic cylinders for the vertical stage are easier to implement but the mini la option does give better adjustability..

Yeb I saw your unimog mod at AFOL con,pneumatic cylinders are a very popular choice.I wanted something different. :tongue:

Edited by Alasdair Ryan, 06 November 2012 - 09:04 PM.

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#16 VFracingteam

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Posted 06 November 2012 - 09:10 PM

Great leg's Alasdair Ryan.
It can almost lift your weight :head_back:

#17 Alasdair Ryan

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Posted 06 November 2012 - 11:58 PM

View PostVFracingteam, on 06 November 2012 - 09:10 PM, said:

Great leg's Alasdair Ryan.
It can almost lift your weight :head_back:
If you don't mind I will add that joke to my bad joke list.... :blush:
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#18 VFracingteam

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Posted 07 November 2012 - 09:29 AM

View PostAlasdair Ryan, on 06 November 2012 - 11:58 PM, said:

If you don't mind I will add that joke to my bad joke list.... :blush:

Your welkom

#19 nagybirek

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Posted 21 April 2014 - 11:19 AM

Hy everyone! :)
I'm quiet new in here, but have a common project, maybe I should share it ;)

2 section outriggers and what'll include it soon (hope so)

maybe this stuff are going to innovate else as well!

#20 D3K

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Posted 21 April 2014 - 11:57 AM

Those look promising! Have you built them in real bricks yet?

#21 Alasdair Ryan

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Posted 21 April 2014 - 03:03 PM

Nice design,the new red 8 tooth gear was not out when I first started my concepts... :blush:
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#22 TinkerBrick

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Posted 21 April 2014 - 04:54 PM

@nagybirek
Your project Looks interesting. You should start a new topic for this crane.



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