craneson

but you have to make the tracks not only individualy wider , but also more apart from eachother . and unlike the 90 kg baslan crane , one of my rules is to stay light

Yeah the crane is definite in for improvements , extending the main and luffer is not coming without new problems like ballast and sideway stability on the rig . the ballast is easy to be solved but the tracks need to be wider apart . My moc is standing on a bigger foot 45 wide centre measured and 60 from sprocket to centre sprocket . The track elements have a 1x8 techbeam and that makes also a more stable centre ballast . the (main) boom is 15x15 square and 90 studs long . Altough never to become ready , i'm now building and rebuilding the main boom foot with 8x8 turntables as hinge where first I was using axles as hinge... I'm learning too from the LR 13K . the drive of the slewring in my case is not two but four drive-sprockets in the ring. this to minimize the pushoff effect . The lego slewring is not like in reality stable enough to drive with one sprocket. my background is cranes so I can use a lot of reallife solutions out of experience

now everybody who buyed the set is happy or have settled , there are besides the shortcomings also new parts and new a tricks to build . like the four ring turntable and the "turntable" "hinge" that carries the main boom. I see people started to improve and extend the dimentions does everyone agree the model in basic is a good start or is that the first to change ? (all the discussion about the salesprice are very boring ... so stop that !)

And while designing the crane , you must do your reseach on the boom size , in the (square section) 11x11 stud size , the 13/11/7 triangle makes 0,3 1/10 of error , while the 15x15 stud configuration results in 15/12/9 with zero error. now the boom on the original liebherr product was 3900 mm appoximate , the 15 stud square boom brings us on a 1:32 scale .. in comparisation the tracks are 22 mtr by 16,5 mtr wide , in studs thats 183 studs by 137 studs wide... now thats enormous . you never squeeze that out of a €500 box

Building is never boring , perhaps building is for me not the same as buying a set and get the book and building that step by step . To me building is creating some impossible contraption and finding out why it's almost impossible to do ..... but there is lego to do it anyway. When I start on a crane project , it needs fresh input of new elements that are A better to use an B more realistic to use . So I start with the most challenging part , in the case of a big crane the "turntable" . I will perhaps build two or three layouts simultanious . Every layout is a better build than the previous and before stepping on to the next part there will be about 50 versions "try out" turntable and only two go on.. With these two , one in black and one in yellow I start preparing the crane body , that is the structure above the turntable . The carrier is eighter tracks or carrier on wheels. The build is not exclusive to only tracks , altough the wheel version is even more challenging , since the weight is crucial and I do not use non lego parts .. like some other famous designs. The search continues and I might have to build another twenty or more prototypes crane body , and a cranebody is the build around the winchdrums and turning or slewing mechanism. When I build I have my compass always on the transportation of the finished product . So it has to be realistic as possible . In the end I have build the same project perhaps over a hundred times before I squeezed the maximum out of the plastic wonderbricks . Boring ? no , just jump out of the building proces to do something else....

not a lot of news is reaching us , but i had time to do some research , in real life the main boom is pretty upsettingly big , each part measures roughly four metres by four metres by ten ( 12 ft by 12ft by 30 ft ) so in the scale of the big digger it will certainly over 150 cm (5 ft ) of height . the tracks are twentytwo metres long (66 ft ) and the crane is without any boom in real life seventeen and a half metres tall (53 ft) so what scale is realistic in the €450 classe

we better look ahead to at least for every function one motor and two on each track , because dual drive is what the real thing has and it stays in one piece driving from both ends. and in my crane the slew gets two motors , because if placed opposite they reduce the friction enormous .

while everybody is talking in terms of how it will fit and look in the interiour of the house .... what scale are we talking ? , how is lego going to solve the construction of the slew ring , we all have to agree the AT ring is way to small and the bucket excavator ring is too big (not to mention the trouble with how to use) , and what always gives me miles of extra playtime ....... how is lego going to solve the boom triangles , because pythagoras may have solved the trick with his 3:4:5 is lego going to do some adapter that fits ??

for sure the boom will be in the region of 15x15 . but the new trackplates will be 10 wide , there will be new funny angle parts like the 55615 . the geometrics of triangles are not very friendly with standard lego lenghts . the possibilty to make insert 13x13 mast therefore is not possible whitout making another set of adapting angle connectors. The partcount is probably more than 2882 unless there are new big parts moulded making it less universal parts . the mention of height is also very modest , it will be sure over 180 cm. Building cranes is not easy , you learn quick that weight is only good in the lower part of the crane and a strong boom can not be extended still being strong because of the weight. in real life the tube parts in the lower section of boom is thicker steel and the upper parts thinner, while a flying jib is also in reality made of very thin light tube . thats why modern cranes use insert size jibs , so they store inside the bigger main boom sections during mobilization.