Kristof Posted October 4, 2015 Posted October 4, 2015 Second and third section look really good! I don't super like that dark bluish gray liftarm bracing on the first section but I guess it has to be there - maybe using just half thickness liftarms? And of course yellow would help a lot to improve the look. Swing out jib is great idea - I didn't see many lego cranes with such feature, if any at all! I hope your boom can hold it - have you tried full extension with jib and some refference load? I'd have one note regarding that jib construction - I'm pretty sure there's a better way to get this shape without that ugly bending ot those liftarms, also your design seems to be a bit on the heavier side - you really need this to be as light as possible. Therefore I think both the structure and mouting mechanism of your jib could use a redesign. Quote
aminnich Posted October 4, 2015 Author Posted October 4, 2015 Thanks you guys for following my build so closely! @kris; their has been2 Lego Mocs I have seen with the jib, one of which failed. Regarding the strength and bending of the jib, I'm going to be doing so redesigning. I'm not sure that it will able to lift a load it is more just for looks, but I will try. Again Lego is all about testing and redesign Quote
Erik Leppen Posted October 4, 2015 Posted October 4, 2015 How will you raise the boom? If you get that right, then you have something really interesting. Quote
aminnich Posted October 4, 2015 Author Posted October 4, 2015 Do you mean extend the boom or actually raise the boom?? Quote
Erik Leppen Posted October 4, 2015 Posted October 4, 2015 What I mean is bringing the whole boom from being horizontal to being not horizontal. ;) With such a weight, this is a huge challenge, and I'm very curious as to how you will tackle this. I don't think LA's will do. Pneumatics, I have my doubts as well. Maybe you could consider brick-built cylinders using gear-racks? Or using strings? I don't know what's best here. Quote
Kristof Posted October 4, 2015 Posted October 4, 2015 ^Seing him holding the extended boom at the very beginning with one hand, I don't think his 4x LA mechanism will fail on raising this. Of course it will depend on how close to the pivot point will that pisten be fixed. The further the better on both superstructure and the boom. Quote
aminnich Posted October 4, 2015 Author Posted October 4, 2015 My 8 LA mechanism would be great for this boom, but it is too long to use. The LA is almost as long as the boom itself. So I'll try to make it shorter, but i might make a sting and gear rack idea as mentioned. That won't b a problem :) Quote
aminnich Posted October 5, 2015 Author Posted October 5, 2015 I told you i wanted to work on the chassis this weekend, so here it is. The outriggers are on, battery box and receivers placed. I usually wait until the end to do the battery box and receivers, but they never fit in the model right. so i did it first this time. Functions I am putting in the chassis are; the outriggers powered via L motors, the turn table via m motor, and a servo for steering. Here are some phone pictures... Quote
aminnich Posted October 11, 2015 Author Posted October 11, 2015 I have a small update, school has been priority and i dont have much build time. here are some pictures counter weight storage ( 1 set is one the other is off to show how its attached) counter weight for crane I hope to finish the crane on time for this contest, but be on the look out for my new build right after the contest whether I finish in time or not Quote
2LegoOrNot2Lego... Posted October 12, 2015 Posted October 12, 2015 Finishing school always has priority! You made the right decision... Great build so far, good luck finishing!!! Quote
aminnich Posted October 17, 2015 Author Posted October 17, 2015 Hey guys, it has been a while since i posted an update, but it has been a crazy week at college, so i made up my mind with what i am doing. Here is a "small" update on the GSK55 Trailer Crane. Here is a WIP pic: As you can see I built a shrink machine... Here is a picture of just the trailer with the outriggers down Boom up Boom out And.. size comparison haha Btw this is the first model that i have only needed one large LA for. I have never built this small, so as always comments are welcomed. Still to come; counterweight, string and make it look "fuller" Quote
Erik Leppen Posted October 18, 2015 Posted October 18, 2015 I definitely think the shrink is for the better. Sure, the large version may be more impressive, but you don't buy anything for that if it's not finished or doesn't work. Detailing might be a bit harder at the smaller scale (although you can use studded parts maybe), but it's also much more likely you will have plenty of parts to do everything as you would like. But don't forget the crane's operator cabin. Also, there's maybe too much black. Maybe throw in some gray and dark-gray here and there to break the black. If you check the reference picture you see there's multiple shades of gray. Also maybe you could consider turning around the main boom, so the round panels are at the bottom and the flat panels at the top. This is more closely to real cranes. Anyhow, it's a very interesting model I think and I hope you can get everything done in time :) Quote
Jeroen Ottens Posted October 18, 2015 Posted October 18, 2015 (edited) I agree with Erik. This is a move in the good direction, smaller is better Colouring can improve. At first sight it looks more like a crane boom transport. Having a yellow superstructure on the carrier will help. Edited October 18, 2015 by Jeroen Ottens Quote
aminnich Posted October 18, 2015 Author Posted October 18, 2015 when you say superstructure, which structure are you talking about, the boom or the trailer itself, or something else? The color scheme is going to change to match the actual crane, this was a quick build one night. Quote
Kristof Posted October 18, 2015 Posted October 18, 2015 Superstructure means everything above turntable (at least that's usual meaning). I guess that's also what Jeroen is talking about. Quote
aminnich Posted October 18, 2015 Author Posted October 18, 2015 Like i said, i need to add to the cab area, everything that will be added, will be yellow, what you see is all internal stuff. Quote
Kiwi_Builder Posted October 19, 2015 Posted October 19, 2015 Coming along very nicely mate, I thought you were going to get rid of the driven axle idea in the trailer though. Do you think this will be finished in time or will it be finished after the competition ends like my one will be? Quote
aminnich Posted October 19, 2015 Author Posted October 19, 2015 Their are no PF in this model no room. As for the 12 axle monster that thing will be full of batteries Quote
aminnich Posted October 25, 2015 Author Posted October 25, 2015 hey guys, i worked a little on the trailer crane today, rebuild the boom and made the extension via a worm gear. The large LA is hooked up and working. I basically just to add some string and a knob on the back to the worm gear extension. Im making it a remote control crane so no cabin on the crane. The main reason for this is that the boom is way big for the scale and their is very little room for a cabin. Quote
JamesJT Posted November 3, 2015 Posted November 3, 2015 Oh no, where have all the pictures gone? This is a shame as you had done a great job with the new smaller scale trailer. Quote
aminnich Posted November 3, 2015 Author Posted November 3, 2015 I was organizing my bricksafe account, I'll fix it tonight, but first need to figure out uploading a video direct to my entry post Quote
aminnich Posted November 3, 2015 Author Posted November 3, 2015 (edited) Im really hoping this works. Here is the video, not the greatest, but it allows to to still be in the contest. i have posted my video on youtube, flickr, vimeo. nothing is working, how does the link get into the post as a video not a link Edited November 3, 2015 by aminnich Quote
aminnich Posted November 3, 2015 Author Posted November 3, 2015 (edited) http://www.youtube.c...s=1446580153820 ^^ i keep getting that Edited November 3, 2015 by aminnich Quote
efferman Posted November 3, 2015 Posted November 3, 2015 (edited) two things use the link from the share button on youtube use a media tag instead of teh URL tag [media] [/media] and use http instead of https Edited November 3, 2015 by efferman Quote
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