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#1 Zblj


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Posted 10 June 2010 - 04:29 PM

For the challenge i decided to build a vehicle which uses the tri star wheel concept most commonly find in the trolleys for easyer staricase negotiation. Each hub uses 7 gears in Y shape to power three wheels. If the wheel gets stuck the whole assembly turn, therebye negotiating the obstacle.

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As you can see the whole body can tilt longitudinaly for best flexibilty. On the rear are the screws for powering the craft through the water.

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The model is powered by two M motors. The final gear ratio is 1:6,25.

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Left side houses the battery unit and the right one the PF receiver. For better reception the right side uses transparent bricks. Both can easily open using a folding mechanism.

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I also made a short video showing off its offroad performances, which are very good for a model this small size:

#2 efferman


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Posted 10 June 2010 - 04:49 PM

pure genius

#3 Blakbird


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Posted 10 June 2010 - 07:00 PM

I can't stop smiling after watching this.  Great job!

#4 grohl


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Posted 10 June 2010 - 07:30 PM

Really nice one. Great job.

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I know the pieces fit.

#5 Jurgen Krooshoop

Jurgen Krooshoop

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Posted 10 June 2010 - 10:04 PM

Indeed really nice. I like the way the left & right side can move flexibly.

#6 Marckeyh


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Posted 10 June 2010 - 10:21 PM

That's pretty clever :)

#7 Jetro


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Posted 11 June 2010 - 03:21 AM

The pictures don't half show you what it is capable of. Very nice to see in action. It works surprisingly well!

#8 Burf2000


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Posted 11 June 2010 - 12:31 PM

Very nicely done, might be cool to see if you can make one with bigger wheels like the power pullers or exoforce ones

#9 ms09


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Posted 11 June 2010 - 04:22 PM

I wonder whether it could really float on water if larger wheels are applied. Really inspiring work!

BTW,how does this vehcle turn? Would you please demonstrate the steering function?

Edited by ms09, 11 June 2010 - 04:29 PM.


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#10 allanp


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Posted 11 June 2010 - 04:46 PM

I like it very much, very well done!

To the above comment it steers in the same way as a tank would steer.
Even the best can be made better, but most important is to be excellent to each other and party on dudes!!!!!!

#11 CP5670


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Posted 11 June 2010 - 06:02 PM

This is a very creative idea. I especially like how easily it ran over the truck at the end.

#12 jimmythefly


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Posted 15 June 2010 - 03:05 AM


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Actually, much better than that. The center pivot works wonders, seeing if go over that truck at the end was great! Very nice execution, you make it look simple, but I'm sure it took a bit to work out the bugs.

Thanks for sharing!

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