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Comments
Paperballpark said:
Regarding expense, I think the latest UCS MF suggests there is never anything too expensive when it comes to Lego. "Build it and they will come"
I think it would be a hot Christmas item.
Looking forward to getting started.
@stevecook132 You're welcome, let me know if you have any issues with the instructions or the module.
Apparently they've had a rush of orders for printed beams from people who have seen mine :)
Plus Lego don't do 1x8 bricks in Orange :(
Some progress on other modules today:
The BrickWorld Ramp nears completion, it just need a couple of tiles to complete the 'pretty' process, the original has a few unsightly gaps in it which I wanted to get rid of.
I'm also having impure thoughts about the gap in the vertical face - I know the balls don't run over it and Lego don't produce a Beam 1 x 1 in Yellow yet, but would it be out of order to cut a yellow pin joiner in half to do the job in the meantime...
One and half ball pots have been completed too, some missing bricks from one order prevented the green one being finished. Alas, as is evidenced in the above photos, I am still missing the most important part of all, the balls!
A Miniloop Lifting Cup was this afternoons project, I was looking for other ideas and ended up raiding a couple of kits to get this built having found the instructions online.
A couple of parts are on order to sort out some colour substitutions, then that one will do for an a desk ornament.
Can I also ask how the 9v train Controller is connected to the current M Motor or polarity switches please? I have a 9v controller on order, but looking at the photos, I can't see how to use my current plugs / wires.
Many Thanks
Steve
How about using 2 x 2L Liftarms (part 43857) in yellow for the 4L you need? or stack 2 half width 4L beams (part 32449)?
PF extension wires have a female 9v connector on the bottom of one end which connects to the controller.
More shopping required!
I'm pleased to say I finally own some balls too :-)
The ball pusher was built as per the instructions, but I've played around with the belt module. I've added some bricks between the two front towers to impart some extra rigidity there with a view to long term robustness (black bricks).
I started out modifying the geartrain in order to follow the standard that Huw had advocated, ie that the direction of the module would be correct when the polarity switch pointed towards the wire. Having added an extra 40 tooth gear, I then realised I could mount the motor under the module which would make for a neater appearance, but that required another gear to reverse the direction again.
Its all gone together OK and I have possibly gone over the top in terms of bracing it all! Its running on a borrowed motor as I had to steal the one from the lifting ramp in order to test.
The parts for a stepper module are slowly accumulating too, meaning I hope to have an example of ramp, ball pusher, belt and stepper shortly. They might even all fit onto a 32x32 baseplate, meaning extended running / testing is an option.
https://www.facebook.com/LEGO/videos/10155888735173403/
thought it might be of some interest here
The stepper module has been completed over the last couple of days, its based on one by Maico Arts but with an extended reservoir a la Huw so that all four modules are of a very similar size.
As it turns out, they do all fit on a 32 x 32 baseplate, but in plan view actually occupy 31 x 33 studs. The stepper is driven using a worm and 24 tooth gear to gear it down, as a result it runs ever so slightly slower than the other three modules. It is a very slight difference though, and as they all tend to keep pace with one another, its fine for testing. I think I will have to come up with an alternative arrangement to hit the 1 ball per second target design spec.
Heres a quick video showing them all in action - a couple of extra red bricks were added to the ramp module to stop spillages - it is being fed at right angles to the normal direction which meant a 4 ball dump occasionally had one ball making a bid for freedom.
Its been running for an hour now and the only thing giving me concern is the original power supply for the 9v train controller -thats getting rather warm to the touch so I think a replacement would be a good idea.
I'm slowly accumulating parts for the next modules, the lure of Akiyuki designs proved too strong! I would very much like to build a single shot basket shooter too - given most of you chaps been into GBC longer than I have and have a better overall appreciation, do you have any recommendations of example builds that I could look at?
Thanks
Steve
I've just done that for this one, http://www.planet-gbc.com/?p=2717, which is so simple but so cool to watch. I've built 2 and drive them side-by-side, 180 degrees phase difference.
The Akiyuri ones are great, but so complex, and from what I've seen, some are not reliable enough to run all day. I think @Paperballpark would agree having witnessed issues at Bricktastic!
The further problem with Akiyuki designs is that Akiyuki designed them, not you. Therefore, whereas Akiyuki may know why there's a problem, you probably won't, and you'll spend absolutely ages with the thing in bits, trying to fix it.
As someone commented at Bricktastic: "The problem with building a module from instructions is that you don't understand how it works."
As for building more myself, I simply haven't had time recently. I've made various fixes to the modules that caused issues at Bricktastic, but other than that I've done nothing. I should really fix that...
Thanks for the link @Huw - another interesting mechanism, I bet the side by side pairing looks great. Thanks also for the comments @Paperballpark concerning the Akiyuki modules - I hope I've sat at the simpler end of his spectrum by going for the Pinball and Cup to Cup modules. I like the zigzag stairs and spiral staircase too, and whilst I could happily watch some of the other modules like the ball factory, I'm not sure I want to actually build one.
I'm keen on keeping everything durable on the off chance I get to use them properly - indeed the four module set up has run cleanly for another hour this evening giving me some hope they have all been built properly. Mind you, thats all down to decent designs I've followed rather than any real skill on my part :-)
The final parts for Akiyuki's Pinball module arrived over the weekend so I've now got that built up and running. I've made some minor colour tweaks and put an arrow on the exit ramp as opposed to using plain tiles.
Its currently set up to recirculate for testing purposes - I've had a jam where the exit ramp wasn't quite angled enough and I get some escapees now and then which I need to resolve. Guess that means more running then :-)
Video footage to follow, nothing worse than a static photo of a GBC! Mind you, white balls on a white background doesn't work that well either...
I've made a few small changes to improve reliability. The first job was to add an extra angled connector to the top guard rail at the front of the exit ramp - that caught the odd ball that had had a good run down the wall and was able to bounce clean over the bottom rail.
The inlet side of the in-basket was then raised by a brick to stop balls falling out - to be fair I am feeding it in the wrong direction which it wasn't designed for.
I noticed that every now and then two balls would get collected by the conveyor belt, then at some inopportune time, the upper ball would make a bid for freedom.
The problem is the pins are too long, and with the ridge at the very end they have sufficient grip to hold a ball far enough out from the belt that another ball can sit comfortably in the space. Swapping to telescopes has sorted that issue out and prevents a dual pick-up.
Its had a good half an hour now with all the changes and there have been no dropped balls. Time to order some black telescopes.
Took my modules down to my local engineering club this evening and plugged them in for a bit of a demo. Went down well with quite few blokes displaying the 'locked in look' when they were running. Still get the odd escaping ball on the Pinball module, say 1 in every 100, unfortunately I never seem to be watching when it happens.
The small set of four ran nicely however and consequently I've been asked to prepare a couple of modules to go on our club stand at the engineering show in October...that's four days of running...gulp...
Of course, if you'll home every night, you can take spare parts in the next day, should you need them...
Using my workshop conveyor as the input bin, and adding a recirculation function. As well only one motor is used now instead of two.