gerger
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Everything posted by gerger
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Alex, if possible, I highly recommend to include Blakbird's suggestion on the above as final instruction such that everyone can build with more common parts, thanks. -
8269 is done. (missing rubber bands and Technic Figure in Black/Light.)
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I have videos for first driving test and after built for Mk-I, but I don't have time to re-film the Mk-II. http://www.youtube.com/watch?v=sAQzKA-TVG0 I can say the carrier drive with no problem. Once adding the weight of the superstructure, it still drive ok on hard surface, but struggle a bit on carpet.
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Blakbird, great review and much appreciated the writing efforts, by knowing that you are very busy with recent Technicopedia update. I enjoy reading both of them as they are so logically, precisely and professionally documented as you always do. Thanks a lot. One big different in the building process is that I sorted my bricks by modules and put them into smaller bags because I have a much smaller kid who keep swapping things whatever he can put into his mouth... That won't allow me to lay everything on the table at once, and I did one or two modules a day such that the building process took about a week. For such a huge model, the capacity for add-ons are still a lot. Some information that you mentioned, for example, the axles engagement of high / low speed drive mode of the real crane, inspired me to think adding a manual switch/clutch at the bottom possible space of front outrigger such that it might give a choice for faster drive mode with first two axles only or slower drive mode with all wheels drive. Another example may be some small wheels to help keeping the boom straighten when extended, which I saw you already did.
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8238 is done without rubber bands. Missing part in Ldraw: x209 Technic Throwbot Visor; 32448 raised ramp base plate. 42021 corrected with better sub models. 8269 next.
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I am half way done with 8238 yellow scheme and now I discover color 16 "Main-color" from studying Philo's file. That's come to handy to finish it with the remain blue scheme. check please, "8238 in progress" I have also revise 42021 with proper submodels and will re-submit tonight, as I am not satisfy with the odd parts orientation (I even can't adjust the suspension angle without proper submodels..)
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Very interesting. I leave the superstructure as less changes as possible because they are performing reasonable ok until reading the review. Tempting to get a Firgelli... I just downloaded the Firgelli LDraw models to test around (this won't go into instructions) and noted that it takes some spacing for cable attachment behind the pivot, a bit tricky to brace it firmly.
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I pick the simple but difficult one, 42021 snowmobile, as there's hardly a right angle in sight.. A model is done, 185 parts, stepped as per instruction. Updated with sub models.
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Nicely written and I love the mechanical functions rendering very much! Good job, Blakbird! I hope your build go smooth as I haven't reassemble everything while I was stepping the LDraw files. I will keep pressing F5 everyday to follow your reviews.
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Thanks Alex for the collaboration offer. I am totally fine with it. Maybe you need to wait Blakbird's draft4 instruction and decide what to do next.
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Ferrari F40
gerger replied to jorgeopesi's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
awesome!! I second that. Any chance to share a part list in advance so that we can prepare for the impact! -
Ok. I re-look into the boom again and did some tests according to Nerdsforprez's suggestion (to moved the boom's curved liftarm back one stud to allows the boom more vertical rise) It's a brilliant move! I also trial and error different positioning for the technic cam (#6575) and finally have a work around for the boom to rise more vertical and at the same time to retract all the way down. The result look like this: And the fix is very simple as below. To move #32009 one stud back (toward the front): Positioning for the technic cam #6575 : attach the half stud hole with the boom; and attach the very last hole with LAs. However, if updating into Ldraw / LDD, the virtual result will be same as Blakbird's suggestion: the boom can not retract all the way down. But in physical model, the weight, flex of turntable, etc will allow the boom to lay down perfectly.
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You take only 4 days to finish the instruction, that's very fast, Blakbird! Impressive! and it's look great. One suggestion if not too trouble is to have sub-model preview before the actual assembly, then will make it very clear. And page numbers. I believe it's buildable already. I believe it now!
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Here you are the cabling route from L motors back to receiver: Connect L Motors and extension cables at location above Axle3, and mount under decking (on both side) Both 50cm cables go to the right of front outrigger. and through 1 stud space right next to mini LA (below the bush) then go back to the space under fake engine.. all the way through battery box area.. and finally connect to the receiver. ( Noted there should be 1 stud space next to the switch, which is handy to stack all LED cabling there, as this picture shown during V1 upgrade)
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No. the LEGO string with studs will be too short to form a loop. imagine 5 panels each at 11studs long, that's about 55x8mm=44cm; nonelastic fish line should handle it well as it's smooth along the string and it's transparent. If go for PURE Lego, standard lego string will also do very well. Yes. (please forgive and ignore my written comments in the file, that's only for myself an easy reference which part go to which sub-model, a readable way during stepping) 3 LED set can fit actually but it's just very packed and not much visual different, therefore I just use 2 instead of 3. Correct. My version2 LDD file shows 3476 parts by removing the dumpy, then swap in +14 shock absorbers +5 L motors +2 LED +1 switch + 2 Long PF extension cables + 1 PF short extension cable +1 rubber band +1 string, will add up to 3503parts in total. I always wonder if you have unlimited budgets and parts because I read from another thread that you just finish building RH400 Mining Excavator and now the crane, awesome!
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Good question. It was 4 sections 3x11 panel for the boom when I built my crane in April. When I was revising the functions, I found that 5 sections would look more real to the actural crane. And therefore I did it in soft copy but didn't physically change in my model, just because I didn't have the extra panels.. I will say 5 sections will be good as Christophe Moittie did a pretty good job for a very solid boom! I also followed this thread #25 suggestion that a loop cable is necessary to retract the boom (due to friction.) One minor but obvious mistake I found in the file just now is the LED middle boxes are mis-placed. They should stay at the middle of seats like this: File is updated as same link in previous post. Welcome JDC. I also come back from dark age after 30 and my first technic set is #8288 which is my favorite display still! 42009 will be just a start to mod this all wheel version. FYI, I also use 9398 and a few 42021 to reduce the amount of order for extra parts. Unfortunately the answer is no. The carrier itself might lift up a little bit but once adding the super structure the whole thing will be well over 4kg.. However, the outrigger LAs really stabilize the independent suspension chassis from inclining too much, especially when rotating the whole super structure with the boom tilt horizontally.
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It's Done! Stepping for the carrier is completed and I leave the superstructure untouch as Blakbird's master file , except adding 3 wheels under the turntable. LDraw file's here. Enjoy!
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Autodesk Inventor vs LDD/SR 3D
gerger replied to mvshabeer's topic in Digital LEGO: Tools, Techniques, and Projects
I think you may want to have a look into Blender as it has a LDR importer so that you might do your render/animation in Blender or re-export to any format that fit to 3ds max. Check this out: http://wiki.blender.org/index.php/Extensions:2.6/Py/Scripts/Import-Export/LDRAW_Importer -
Another solid week have been over and stepping for carrier inner structures have been done! The remaining parts, eg cabin, fenders, etc are pretty straight forward and it shouldn't take too long to complete. Progress file is here. The most challenging yet interesting work is to try LSynth for rubber band connecting to the engine, which I really like it
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Thanks for the tips and the MPD file. They are really helpful. Previously I’m very concerned about the exact position for each module but it turns out that everything will be at relative positions by sub-modeling. I can now match sub-models front, back, left right views etc and reposition them in the master model as necessary. I also use Excel to round off the irrational matrix from LDD into decimal numbers with minor parts x,y,z adjustment so that it reads as clear and tidy as your MPD suggest. LDraw now works like a real CAD now :) One minor thing I noted is sub-models coded within MPD file will not be reloaded when the actual external sub-model LDR file changes. It that normal or I might have missed some LDraw functions. Currently I just keep sub-model LDR separately and that can change later. It may be slightly off topic from now and I shall focus on the stepping. Cheers.
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The changes are quite extensive, especially for the outriggers part... As I have done the lxf sub-grouping into fairly details, I might as well start looking into LDD to LDraw conversion, which I did last week :) The good thing about the conversion is that it gave about 90% relatively correct pieces & locations but the order are just a mess! I need to go through every single part and cross check with the lxf/ models and so far it's still manageable. Here is 25% done stepped file and I have a few questions that need help in order to speed up the stepping process. - How can I read the stepping from multipart files? when I export sub-models one by one and did the stepping WITHIN the sub-models, LDview can show it, but once i made a multipart ldr and drag different sub-models into one, the stepping gone in the master file.. - When I group (Ctrl+G) several parts, how can I re-open the group and edit? - How can I adjust shock absorber length? Attached here also the stepped sub-models ldr for reference. Any recommendation or quick fix are appreciated. I think it might take another 3 weeks in order for me to complete the remaining 75%. finger crossing. no change to boom or superstructure construction, except only adding wheels as this:
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That's what I worried too.. I read the above that not too much progress have been made in stepping, therefore I further sub-dividing the updates into smaller groups to a level of about 10 pieces each, such that either scratch building in mlcad would be be a nice option. of course if Blackbird is ok to do another conversion, I can actually do the stepping in LPub the updates got nothing much different in appearance but smoother in the PF and less fix time after play. I re-arrange the lxf to minimize reassemble between modules this time, hope it works.
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Hi guys, I have been revising bit and pieces on the chassis after some months of “serious play” with my 1 year old son... The revision focuses mainly on PF efficiency and stability. The above process has undergone several rounds and here you are all updates at once. Steer: - align steering axis for more responsive turns - guide all steering racks now - better and more simple bracing for worm gears steering Outrigger: - redesign outriggers modules to give spaces for steering axis alignment - adjust outrigger extension gear ratio , strong and slower now Drive: - brace all driving gears and replace axle 4 with stop (#87083) into axle 4 with central stop (#99008) to avoid falling gears from differentials - move XL motors 1 stud to the front to avoid contact with front wheels during turns (and give space for additional spring absorbers as well) - revise motors mounting for more stable gear meshing Chassis - add wheels to smooth out turntable rotation - revise and simplify wheel fenders to fixed one - additional spring absorber at 1st axle to carry the heavy load at cabin (4 at 1st axle; and 2 per next axle, 14 in total) - re-work cabin and tail mounting to avoid loose parts. I rearrange the LXF file grouping as decomposable and logical as possible. Let me know if this works better for covert/stepping process for instructions. Please noted 14 springs absorbers are missed out due to current LDD4.3.8 bugs. nice color! too bad that it took me some time to coming up with the revised version and sub-divide the groups in lxf files... or this white crane would be perfect! still look awesome.
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Hi guys, i need to apologize that I didn't show up for a while because my 1year old son love the crane so much that whenever he saw me disassemble the model, he will start crying and pulling my legs.. He is now checking everyday to make sure 'his' crane is still there.... I also found that the latest LDD brickset 1392 update will open my model with 12 bad part errors, which I identified they are the 12 yellow shock absorbers (76537). It's a LDD bug. At the moment, the program can't drag part 76537 onto screen and models using this part get a bad part error.
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Making photo sequence as good as Madocca will be very challenging, I can give it a try this weekend by taking pictures when dismantle the crane.