Alasdair Ryan

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

22 posts in this topic

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?

th_P1000225.jpgth_P1000224.jpg

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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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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?

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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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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

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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

oct-12-crane-on-legs.jpg

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

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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:

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

P1000226.jpg

P1000227.jpg

P1000228.jpg

P1000229.jpg

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

Edited by Alasdair Ryan

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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..

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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

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

Your welkom

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

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@nagybirek

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

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