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Ok, here is my entry, got it finished this morning after all night build. My triple consist of truck, removable log crane and trailer.

The truck and the crane work with remote PF. (except outriggers on crane are handled manually)

The truck:

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The truck features forward/reverse (L-motor) and return to center steering by PF servo. In the truck are also located the cranes turntable and main boom motors (M&L). It uses maximum 500 parts, it was quite a challenge to do such large model with relativelly small part count. I used LDD trough all the build, so it shouldn't exceed the max part count. I learned a LOT on optimizing and utilizing special technic parts.

I'm quite happy with appearance of it, and I like the cabin very much. All tho I had to tape few panels black cause I hadn't anough of them :(

But I think you hardly notice :)

The crane:

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The crane features main boom, second boom, and fully operational claw. They work remotely. (one channel not used) Motors are M. It has also manual outriggers. Crane also uses all 500 parts.

The claw rotates using small turntable and claw closing action is fed trough it. The claw is synchronized so turning the claw won't affect much to closing action. The synchronization is done in the superstructure with system of gears and differential. In short, when the turning motor is driven, it also turns the the claw gears trough the stationary differential in opposite direction so the claw is almost unaffected (It was not possible to exactly match the gear ratios with small turntable). When claw motor is driven, is the differential turning and closing/opening the claw. Claw turning is not affected at all. I'm quite pleased with this brainchild. It could be used with any other application when turntable is causing undesired action.

Below is the crane with out battery case, so the system is visible:

(It's a poor picture, I don't know can you make any sense of it)

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The trailer:

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Nothing special there, other than it uses only 453 parts :)

oh, and I'm also short of double angular beams in same color. All my Black and dark grey ones are in this triple.

Finally, all working together:

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Short video clip:

I think I will just copy this to entry topic. (Did it)

Feel free to comment.

Edited by Tech-nick

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Yes, I try to get video ready on youtube before posting this there :)

And thanks!

Edited by Tech-nick

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Thank you for your compliments Horace & Rishab :classic:

Nice Truck and Crane :thumbup: I would love to have instructions for that crane :wub:

Thanks!

Here you have it in LDD: http://www.brickshel...ons-triple-.lxf

I Tried to group the parts so the generated instruction would be little more "sane".

I Added also small part of the truck to show how the coupling is done. (That's why there is "too many parts")

Two things need to be pointed out before building:

connector.png

You need to insert that lonely peg to turntable before anything else. Note that it must be on opposite side to gears circled. (LDD does not allow peg inserted there)

5m_half_beams.png

There was no 5M half beam with cross holes in LDD. :hmpf_bad:

Edit. Also the LA's are not connected from other ends, but you'll figure them out. :classic:

Edited by Tech-nick

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