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Posted

It isn't a matter of just "Fixing a problem" you really should construct a physical model to make sure that there are not other issues with it. Afterall, this is a rather complex large model and it may work in LDD, but not properly in reality.

If I had the LEGO to do that, I would but I have nowhere near the resources to make this! That;s why I use CAD because I am not limited by what parts I own. If anyone else wants to test it, they should post the results here but I don't think anyone really has the parts to build this!

Posted

If I had the LEGO to do that, I would but I have nowhere near the resources to make this! That;s why I use CAD because I am not limited by what parts I own. If anyone else wants to test it, they should post the results here but I don't think anyone really has the parts to build this!

I probably have enough parts to build 10 of them... :wink:

Very Nice Model..!

Posted

I probably have enough parts to build 10 of them... :wink:

Very Nice Model..!

That's impressive, there is a part list in an LDD file here for the old 9398 version if you wish to check...

Posted

If I had the LEGO to do that, I would but I have nowhere near the resources to make this! That;s why I use CAD because I am not limited by what parts I own. If anyone else wants to test it, they should post the results here but I don't think anyone really has the parts to build this!

now its time for you to left dark ages behind;) soon youll receive crawler to build new models in real. Welcome back!

Posted

now its time for you to left dark ages behind;) soon youll receive crawler to build new models in real. Welcome back!

I REALLY, REALLY hope so!! I just worry that despite TLC's blog, the competition instructions here imply that the only prize awarded is the production of the winning model which is a total contradiction. Unfortunately I guess that this is a more credible source than the blog. :(

Posted (edited)

It isn't a matter of just "Fixing a problem" you really should construct a physical model to make sure that there are not other issues with it. Afterall, this is a rather complex large model and it may work in LDD, but not properly in reality.

This is a good point. It is good and useful as for a Lego Technic models designer to have technic bricks in reality and test various applications instead of just designing them in LDD computer programs, because dealing with technic means also doing mistakes and understanding the rights, rules and boundaries (also points of weakness) that Lego Technic bricks enforce. Crazy_1993 I'd rather get rid of the central differential and put knob wheels (90 degrees angle) to transfer the drive to front and rear shafts. Then make some multiply (increase rpms, decrease torque) as it is in 9398, then put the front and rear differentials (if you really want them, me personally would get rid of them completely) and then do the reduction on hubs finally transmitting the drive to wheels. In the end playability and functionality do the accessment. Once again good luck. The whole project is very impressive and You are very gifted.

P.S. Crazy_1993 Leave your dark ages and possess some Technic sets to bring yourself to the bright side of the moon :) ROTFL

Edited by TechnicMati
Posted

P.S. Crazy_1993 Leave your dark ages and possess some Technic sets to bring yourself to a bright side of the moon :) ROTFL

Yeah I know, it's just cos I'm at university right now, I guess I shouldn't be spending all my money on Technic sets, but one day... one day I aspire to have an entire warehouse of the stuff in my garden!!!

Posted

I'm wondering whether it would be worth building a new chassis because my chassis is not on the same level as those from other MOCs such as the Land Rover. The problem is is that with LDD alone, I cannot create complex features such as gearboxes and verify that they will work. I was wondering whether a suspension design such as the one on the unimog or even the supercar would be better.

  • 1 month later...
Posted

Hey Paul, I was wondering where you got all of your parts from?

I'll speak for him. He usually uses "Lego Direct" I believe.

Posted

What is lego direct?

Directly from Lego.. You can order 10 of anything(stil in production) and 200 of each in one order(If they are in stock) with $2.95 shipping... All you need is the 7 digit part number from the back of the instructions...

Now not everything is a good deal from Lego and you have to shop back and forth between them and Bricklink dealers(usually German ones) to get the best prices... For example a common black friction pin is like 10 cents from lego and you can buy them for one cent on Bricklink...

Posted

:thumbup: Very nice, I like the police lights on the roof. What part number are they?.

The lights are made from many parts, mostly 1x1 red/blue transparent roof tiles and red/blue transparent 1x6 flat plates on top. These pieces may be difficult to obtain however, I do not even know if 1x6 transparent plates exist so the 1x2 ones may have to be used.

Posted

The lights are made from many parts, mostly 1x1 red/blue transparent roof tiles and red/blue transparent 1x6 flat plates on top. These pieces may be difficult to obtain however, I do not even know if 1x6 transparent plates exist so the 1x2 ones may have to be used.

A short look-up in the BL catalog reveals: They do not exist.

Posted

A short look-up in the BL catalog reveals: They do not exist.

1x2s would need to be used then like on the original version. The 1x6 tiles were used to house the PF lights so an alternate solution would need to be developed for PF lights.

  • 4 years later...
Posted

Great work and detail!

  I understand why you'd want three differentials.  The wheels on a real car DO NOT turn at the same speed in a turn. In a forward right turn for example, the front wheels turns faster than the rear wheels (because the wheels are travelling a greater distance), and the rear wheels track to the inside right of the front wheels (shown in green lines in image below).

Image result for car tire paths during a turn

   I see the problem with using three differentials : if one wheel loses contact with the ground, it spins at 4X the speed going nowhere. Inserting tensors between the mid to front and mid to rear differentials would help, but then the issue now becomes two wheels free (one from each axle) and the problem returns.

  Making all the differentials clutched, locker or limited-slip could be a cure .. at least in one direction.

  I wonder if there's a way to make a combination differential/tensor unit .. hmmm .. something to think about !

 

Posted

Bruce, welcome to Eurobricks and also good to see you try to add to topics but a topic from 2013?
B.t.w. you should consider the Ackermann principle of steering too (that makes the outside wheel turn at a different angle than the inside front wheel).

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