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Everything posted by RohanBeckett
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I'll have a play tonight with some of my parts, and see what I can come up with. have you tried using a PF train motor bogie with NXT? either homebrewing a cable: http://www.bartneck.de/2015/06/01/building-instructions-for-a-cable-that-connects-lego-power-functions-pf-with-mindstorms-nxtev3/ or with this: http://www.bricklink.com/v2/catalog/catalogitem.page?P=x1676#T=C&C=11 and a regular PF extension cable?
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Looks good! would this piece help? http://www.bricklink.com/v2/catalog/catalogitem.page?P=6585#T=C what direction is the most force happening, that drives the gears apart?
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it was in the GBC.. but was sorta just a passthrough module - didn't do a lot ball-wise, but it DID get a lot of attention it was always fun watching people watch IT... and talk to themselves.. Why..... Not.... why not.... 'ahhh'... when they finally got it! You can see it right at the start of my video - however, I didn't notice it at the time, but one of the connecting arms had come loose, so it was only partially working (soon fixed!)
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very cool! despite the slower than standard speed, that'd be WELL worth having on a GBC layout! Kids would love it! Now.. just put a couple of touch sensors at the bottom of the baskets, and keep score!!
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Technicopedia
RohanBeckett replied to Blakbird's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
The Wayback machine lists the last time it crawled it - March last year https://web.archive.org/web/20160305194421/http://isodomos.com/technica/technica.html but by the looks of things - it hadn't had any updates for over a decade! (since April 2005!) -
[GBC] Simple Pump Module
RohanBeckett replied to Lasse D's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
very nice! might see if I can build it in the near future! I've built a couple of ball pumps in the past, and they all suffer the same issue of the balls 'thumping' back down, if you build a large stack.. yet to find a good one that puts a ball into a stack, and the whole stack doesn't go up and down, when there's no new input balls ready.. (would need a small one-way catch, or something) But yes.. it can get a bit boring when you're trying to follow a ball, and it's stuck in the stack for a while -
Potato Pelling Machine
RohanBeckett replied to uefchen's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
I think "portato pelling" is part of the charm ;) -
[MOC] MegaDozer V1
RohanBeckett replied to Systemtech's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
it's 42055 transformed into 8275! well done! If you're new to studless building.. you've done very well! -
Potato Pelling Machine
RohanBeckett replied to uefchen's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
that is hilarious! horribly inefficient... but hilarious nonetheless! :D I was expecting some form of sharp blade.... but was quite surprised at how well the large curved racks stripped away the skin... -
Grohl's Creations
RohanBeckett replied to grohl's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
ahh.. we know you did it - Oh Master of the Almighty Alternative model!- 784 replies
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?? it reverses all the motors I have plugged into it! 3 positions <FWD - OFF . REV >
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[GBC] Yellow Submarine
RohanBeckett replied to Lasse D's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
VERY well done! themed modules are always a great addition to any GBC Layout! maybe some blue water.. or clouds could add a nice backdrop, or possibly hide the gears at the back? although I still like the Beatles going up and down! good job on the anti-jam... does it cause any excess wear on the 8t gears? -
GBC balls
RohanBeckett replied to Phantom59's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Not a *lot* of difference... and for 95% of GBC's they will work fine There's a few Modules out there that are very particular (some of the Complex Akiyuki ones), but the majority are fine. I used the beads a lot, before I built up my collection of genuine balls. I only have around 120 at the moment, and that's more than enough for testing/playing with -
I will note that one of our Brickvention GBC Team (Lisa!) made the Strain Wave module.. and it ran near flawlessly for 3 days.. had a few dropped balls here and there, but otherwise, ran great! We did find that a tile had lifted ever so slightly, on the main input, right where it picks the balls up.. this prevent the ball rolling all the way in, and prevented a clean pickup. Once the tile had been pushed in firmly.. it rarely missed a ball. I believe that Lisa had made some alterations at the rear drive.. so not quite Akiyuki pure... but ultimately, a very impressive module that mesmerised a lot of people in the crowd!
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GBC General Discussion
RohanBeckett replied to Jim's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
how about approximately whatever on the Train dial 7.2v is? ie: 6 x 1.2v rechargeable batteries.. it's actually what I used to test on, before I got all my mains power / train controllers setup anyway.. I'm all for extending motor life! pretty sure I came home with at least 1 dead M Motor- 1,124 replies
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GBC General Discussion
RohanBeckett replied to Jim's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
well, for one.. we have nearly all standardised on 'turn the dial to the right' :) and the same on battery boxes.. push the switch away from the PF connector, to run in the right direction But yes.. I do agree.. running them slightly slower will save motors.. as long as your module is still running close to the GBC standard! One interesting thing I noted, when testing my 4 recently purchased train controllers: On the underneath, near the power input, it clearly says 9-12V Yet of my four... (when fed from a 12v power pack) 3 give me a maximum of 9-9.2v output.. but one outputs at 10v! I also try to build my GBC's so that the motors are easily changeable - that means always attaching with pins.. and.. if possible, designing it so you use 3L pins, locked behind a beam/liftarm, that can't be pulled/pushed out.. and the driveaxle also locked into place. This last year, I have been trying to build them, so they run the Module at standard rate, at maximum power... but maybe this point should be reconsidered?- 1,124 replies
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GBC General Discussion
RohanBeckett replied to Jim's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Amazing photo Maico! I guess we really just need more train controllers.. but they are rare to buy, here in Australia... so just have to buy them from Europe, and pay the extra postage But they definitely help in the smooth running of a large GBC layout.. being able to fine-tune certain modules, so everything runs 'in balance'- 1,124 replies
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GBC General Discussion
RohanBeckett replied to Jim's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
what? I'm totally innocent here! :D We get all our 'ball jokes' over and done with in the first day.... although you still get the odd adult spectator who thinks it's hilarious to ask "do you always love playing with tiny balls" or somesuch..- 1,124 replies
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GBC General Discussion
RohanBeckett replied to Jim's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
don't believe everything you see in GBC videos! ;) It took us 2 days before everything 'settled down', and you could expect to follow a ball around without it stalling, or dropping out! But by lunchtime Sunday, it was super easy to look after the whole thing - everyone on the team knew where the troublesome modules were.. kept a close eye on them.. and fixed issues very quickly We definitely need to work on our power distribution system better.. that was always a pain, when you needed to swap a module out, and the previous one had power in a different spot, and the extension lead didn't reach. Ideally, I'd love to have a 'common rail' running along the inner edge of the table, and have tap-in points every 1/2 metre or so, making it easy to plug in a train controller, or modified battery box.. so we have less need of PF Extension cords- 1,124 replies
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GBC General Discussion
RohanBeckett replied to Jim's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
funny you should say that.. ... I just washed all my balls last night! :D All 121 of them! I just put them in warm soapy water for 5mins.. to begin to soak off the dirt.. Then I just grabbed a handful at a time, and rubbed them with a sponge... 5-10mins later... clean balls! (a lot cheaper than building the Akiyuki Ball Cleaner! :) On an semi-related note.. I am banning anyone from using coloured-in balls on our layouts!!!- 1,124 replies
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GBC General Discussion
RohanBeckett replied to Jim's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
thanks! :) We have learnt, over the years, that the highly decorated modules (even if they have simple mechanisms), can hold just as much attention as an intricate/complicated mechanism unfortunately that exact module (dual arm lifter, over the river) was VERY finicky all weekend - it's quite sensitive to the level of the tables.. and we were supplied with plastic blow-mould tables, which sag a bit in the middle, making it hard to get that module perfectly level. It's input isn't the best, so I will be pulling it apart, and rebuilding it completely! Some of my other modules have gone through 3-4 rebuilds before becoming perfectly reliable! I had a lot of fun building the big mountain.. it has several other interactive features on it too, that the kids loved spotting!- 1,124 replies