cavegod Posted January 23, 2011 Posted January 23, 2011 At the moment I'm rebuilding the base in the right size. I use the really fantastic book "Sculpting a Galaxy": http://www.flickr.com/photos/teohyc/2950208475/in/photostream/ http://www.amazon.de/Sculpting-Galaxy-Inside-Star-Model/dp/1933784032 yep got it but its not as good as the Chronicles book! Quote
Brickdoctor Posted January 23, 2011 Posted January 23, 2011 http://www.flickr.com/photos/teohyc/2950208475/in/photostream/ http://www.amazon.de/Sculpting-Galaxy-Inside-Star-Model/dp/1933784032 'Inside the model shop', huh? fallenangel's gonna go crazy over this book. Quote
marshal_banana Posted February 1, 2011 Author Posted February 1, 2011 (edited) Hi all. The hole thing is getting really big and complex! The new base is now 74 studs long, so the scale is more accurate and the size is close to the giant studio model! But I really have some problems with the "tank" gearbox. All my work yesterday was for nothing. Do you have some ideas and hints? I tested the first type of gearbox. It's really powerful (but the prototype was not sturdy enough.) What do you think of the second gearbox? Maybe a better solution? And this I found on youtube! Cool! I expect a good progress this weekend, so stay tune for the next steps ;-) And thank you for your help! Edited February 1, 2011 by marshal_banana Quote
cavegod Posted February 1, 2011 Posted February 1, 2011 What is the Sandcrawler goiung to weigh when finished..It will be very heavy so i'd think you would need to large motors in each track just to move it never mind steering, those black link are very soft plastic and will rip apart under the stress of turning or even moving for that matter. Still, prove me wrong and give us more pictures!! i don't know if this is powered at all but it sits on the tracks well. Quote
Brickdoctor Posted February 1, 2011 Posted February 1, 2011 Wait, aren't you using LEGO gears? Or are those assemblies just examples? Unfortunately I'm no good with Technic, so I can't help you there. Quote
cavegod Posted February 1, 2011 Posted February 1, 2011 i hope you will have the steering on the front treads unlike legos inacurate rear steer. Quote
CommanderFox Posted February 1, 2011 Posted February 1, 2011 Wow! Looking excellent at the moment marshal_banana! Can't wait to see more WIP pics! CF Quote
marshal_banana Posted February 2, 2011 Author Posted February 2, 2011 Crawler test drive. They are slow but strong, really strong! A single crawler can handle a weight of 5 kg! test drive i hope you will have the steering on the front treads unlike legos inacurate rear steer. I'm going to use a regular tank steering mechanism. I also think that the studio model of ILM is working this way. Quote
cavegod Posted February 2, 2011 Posted February 2, 2011 that works great, will the full width of the SC skid steer that easily though? Quote
KimT Posted February 2, 2011 Posted February 2, 2011 Wow, that's really amazing Marshal blogged Quote
gotoAndLego Posted February 2, 2011 Posted February 2, 2011 You should use some brown cheese slopes to cover the gap where the sides are hinged in. Quote
Brickdoctor Posted February 2, 2011 Posted February 2, 2011 Nice. So according to the flickr description, the final assembly of four treads will handle 10kg? How much do you think the final model will weigh? Quote
cavegod Posted February 3, 2011 Posted February 3, 2011 is it just me or are the tops of the outer treads deforming the inside treads look fine. Quote
Vindice Posted February 4, 2011 Posted February 4, 2011 This is a stunning project! Love it. amazingly authentic. Quote
Mr Man Posted February 6, 2011 Posted February 6, 2011 PICS PICS PICS PICS PICS!!! I concur pics please Quote
marshal_banana Posted February 7, 2011 Author Posted February 7, 2011 At the moment I have serious problems with the mounting suspension! Pictures will follow as I'm a good step further. Sorry. Quote
marshal_banana Posted February 8, 2011 Author Posted February 8, 2011 So here we are: Second test drive with mounted chassis. Driving is no problem and fast as in the first test. Of course turning is more difficult, but I'm still happy with it. test drive 2 Quote
prateek Posted February 9, 2011 Posted February 9, 2011 Wow! Very promising. The drivetrain looks very heavy duty Quote
Brickdoctor Posted February 9, 2011 Posted February 9, 2011 Certainly appears the motors will have no problem moving this beast. The thing I noticed, though, is that I'm 90% sure sandcrawlers rotated the front pair of treads to turn... Could be wrong though. Quote
marshal_banana Posted February 9, 2011 Author Posted February 9, 2011 (edited) Certainly appears the motors will have no problem moving this beast.The thing I noticed, though, is that I'm 90% sure sandcrawlers rotated the front pair of treads to turn... Could be wrong though. I hope it will handle the total weight. Just the chassis is heavier as expected! You' re right. The books say they do, but: - turning treads like that makes no sense at all. - the mechanism would be to complex, not stable enough and I don't have the space, because I need it for the interior and the front hatch mechanism. - other model builder did it the same way - actually I think the studio modell can't turn at all, in the movies it always drives straight! Edited February 9, 2011 by marshal_banana Quote
Tabris Posted February 14, 2011 Posted February 14, 2011 Looking really good so far. Keep it up. Quote
marshal_banana Posted February 21, 2011 Author Posted February 21, 2011 No update yet?? Yes I know, but I'm really not in hurry, I try to build the best Sandcrawler I can achieve, so I have time. Quote
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