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Lasse's Model Team Construction Yard


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#151 DLuders

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Posted 16 November 2012 - 01:32 AM

View PostAlasdair Ryan, on 16 November 2012 - 01:29 AM, said:

I am not a fan of cutting up parts for this porpoise...

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#152 Alasdair Ryan

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Posted 16 November 2012 - 01:37 AM

That's a dolphin you clown.
I see its not just geography that Americans struggle with....... :roflmao: :roflmao:
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#153 DLuders

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Posted 16 November 2012 - 01:52 AM

Do they speak English in Scotland?  You should have written "purpose", not "porpoise".

#154 Alasdair Ryan

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Posted 16 November 2012 - 01:57 AM

View PostDLuders, on 16 November 2012 - 01:52 AM, said:

Do they speak English in Scotland?  You should have written "purpose", not "porpoise".
Na that's that bleeding spell checker.....

Edited by Alasdair Ryan, 16 November 2012 - 02:00 AM.

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#155 Lipko

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Posted 16 November 2012 - 05:07 AM

That Ackermann is actually backwards. The inside wheel will turn less than the outside wheel in a turn, which is unrealistic and maybe it will affect the performance of the vehicle too. I'd go with "rectangle" geometry.

#156 Lasse D

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Posted 16 November 2012 - 02:57 PM

Now that I think about it, I might have flipped the steering one time too many. I will have a look at it once I'm home.

As for the cutting of bricks, I will add a nice instruction of how to get those new fancy modified pieces :wink:
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#157 KopMaister

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Posted 16 November 2012 - 03:38 PM

i rather like the idea of modifying parts. however there is a limit. but to get new offisial parts we have to create them our selves first!

#158 Lasse D

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Posted 16 November 2012 - 05:31 PM

My limit is currently this single new piece which I intend on using as often as possible in my new creations in order to show the usability.

And as for the steering geometry, you are completely correct Lipko. I'm modisying the truck as we speak. Thanks for pointing out the error :)

Edit
Here is the revised steering:

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It caused an additional stud in length, but this is good news for my XL-motor integration since it's now easier to exchange the L motor for an XL motor.

Edited by Lasse D, 16 November 2012 - 06:03 PM.

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#159 Alasdair Ryan

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Posted 16 November 2012 - 06:35 PM

Your new design looks good,are you going to make the body work from full stud bricks or with studless technic?
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#160 Lasse D

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Posted 16 November 2012 - 10:58 PM

Allow me to answer with a picture of my current progress.

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#161 Alasdair Ryan

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Posted 16 November 2012 - 11:10 PM

I see,but is that not likely to break from the little children playing with it?
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#162 legomuppet9

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Posted 16 November 2012 - 11:22 PM

View PostAlasdair Ryan, on 16 November 2012 - 11:10 PM, said:

I see,but is that not likely to break from the little children playing with it?
That's what I was thinking

#163 Lasse D

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Posted 17 November 2012 - 02:27 AM

I'm still waiting for the new motors (DHL is fooling around with the local post office, so I have to call them again tomorrow). In the meantime I have improved the sturdy Scania significantly which is why I'm making building instructions. It might not survive a prolonged game of chicken, but it is one of the sturdiest trucks I have ever built.

Edit
And it is done. The picture links to the instructions:

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Edited by Lasse D, 15 May 2013 - 11:35 PM.

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#164 Lasse D

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Posted 07 December 2012 - 10:59 PM

Now with this new improved Scania R-series done, I want to update the orange truck so it has all the improvements as well.

I have updated the frame as follows:

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The improvements include:
- XL motor for added torque (vs L-motor for speed)
- The new Ackermann steering geometry.
- Rear differential (vs the simple LSD from the previous version)
- More stable frame and sides.
- Downgearing on the release mechanism with a 1:3 gearing for smoother operation.
- New simpler and more stable stairs.

I will keep you updated as the construction moves along.

Tell me if there are any details you would like to see.
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#165 olaf9198

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Posted 08 December 2012 - 08:48 AM

nice idea with the mudguards, I like it. But the fuel tanks look a bit different that a normal Scania has but i think its also the best way.
Good job.

#166 rm8

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Posted 08 December 2012 - 06:27 PM

View PostLasse D, on 07 December 2012 - 10:59 PM, said:

Now with this new improved Scania R-series done, I want to update the orange truck so it has all the improvements as well.

I have updated the frame as follows:

The improvements include:
- XL motor for added torque (vs L-motor for speed)
- The new Ackermann steering geometry.
- Rear differential (vs the simple LSD from the previous version)
- More stable frame and sides.
- Downgearing on the release mechanism with a 1:3 gearing for smoother operation.
- New simpler and more stable stairs.

I will keep you updated as the construction moves along.

Tell me if there are any details you would like to see.


LSD !?

How? Show me please!:)

#167 Alasdair Ryan

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Posted 08 December 2012 - 06:33 PM

View Postrm8, on 08 December 2012 - 06:27 PM, said:

LSD !?

How? Show me please!:)

Watch this.

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Updated 02/08/12
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#168 TheQ

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Posted 09 December 2012 - 07:23 PM

I think the video Alasdair sent is good introduction to the concept of limited slip differential (LSD) but as far as I can see, it doesn't really tell how LSD was used in Lasse's truck. In Lasse's truck, LSD was basically used instead of differential to do the same thing: to allow wheels to turn at different rates. The easiest way to see the difference is to compare this step from previous truck (Scania Highline) to this step of the new truck. In the previous truck, the axle was set up so that the wheel on the left side was directly connected to the axle but wheel on the right side was connected via friction pin with bush in the end. In this way, when the axle turns, it forces the left wheel to follow the axle movement but the right wheel can slip a bit from the movement. Hence, it's limited slip differential.

Hopefully this explains it. If you still don't get the idea, try it with real bricks and you will notice what I meant, hopefully.
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#169 Lasse D

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Posted 10 December 2012 - 06:51 PM

> TheQ
I couldn't have said it better myself.

> olaf9198
I'm keeping the frame, fuel tanks, rear lights and wheels as generic as possible. This makes it easier to build other trucks without having to make large modifications to these parts. My experience tells me that making these parts detailed results in a weaker construction which makes the truck less fun to play with.
However, I still encourage people to build as detailed as possible.

Meanwhile I have completed roughly 90% of the new Highline. I still have to make a new rubber belt and the front has to be prepared for PF lights.

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#170 Alasdair Ryan

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Posted 10 December 2012 - 07:38 PM

I think you should make your trucks moulder so we can customize own own trucks ie:2,3,4 axles , double steering axles,long wheel bases,different cabs..... :grin:

Edited by Alasdair Ryan, 10 December 2012 - 07:38 PM.

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Updated 02/08/12
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#171 Lasse D

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Posted 10 December 2012 - 11:54 PM

Yes. That's what I'm trying to do. By making frames which are nearly standardized, it should be easy for people to get started with their own truck designs. This way they don't have to worry too much about constructing robust frames.

I have just completed the MLCad model, so now it's onto constructing the building instructions.

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Edit:

I just finished the building instructions.

Edited by Lasse D, 12 December 2012 - 04:04 PM.

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#172 Lasse D

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Posted 31 January 2013 - 09:35 AM

Yes!

It seems that my building instructions will finally become 100% legal!

The 1x2 curved slope has been spotted on the new Firends Cruise ship:

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Take a look at the upper-most trans blue 1x1.

So it is confirmed in white... now I just need it in black to make my trucks buildable without cutting.
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#173 PsyKater

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Posted 31 January 2013 - 03:44 PM

:thumbup:

I want this truck :grin:
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#174 Lasse D

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Posted 20 February 2013 - 01:00 AM

^^ And with free instructions it should be doable to get it.

Now. With both a low-line and a highline Scania R-series, the natural extension is to build a topline and thus give a major overhaul to my first truck with instructions.
This is how far I got with the detailing the first night. I'm still making adjustments here and there.

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#175 Alasdair Ryan

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Posted 20 February 2013 - 01:03 AM

I am not a huge fan of the front sides,but its coming on well. :classic:
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