 | | Re: 8889 Technic Truck
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(...) I started a 9th scale forklift in 2003 using a Bimba piston but never finished it. Although those pistons may be expensive and hard to get, they double your possibilities with lifting designs. (URL) one I have extends 20 cm, which along with a (...) (18 years ago, 24-Mar-07, to lugnet.technic)
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| | Re: 8889 Technic Truck
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(...) No, sorry, I'm not exactly sure what you mean, but not me, nor do I know anyone who has aside from the standard LEGO models. Al (18 years ago, 24-Mar-07, to lugnet.technic)
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| | Re: 8889 Technic Truck
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(...) Sorry for the delay in replying. I will add it to my long term list of things to do, but please don't expect it any time soon! Could be years, unfortunately. Al (18 years ago, 24-Mar-07, to lugnet.technic)
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| | Re: Boosting power in a gear train / torque amplifier
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Alexander, Thanks for the differential/pole-reverser idea. Based on your description, I was able to get a prototype running very rapidly! I'm still seeking a clean more mechanical version, but this certainly will work for now. Along the lines of a (...) (18 years ago, 23-Mar-07, to lugnet.technic, lugnet.robotics)
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| | Re: Motorized steering
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I will give it a try... just found one in an ozzie bricklink site and have ordered it... let you know how it works out! thanks... (18 years ago, 23-Mar-07, to lugnet.technic)
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| | Re: Motorized steering
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(...) But the brickshelf gallery is still there: (URL) It's a shame such a cool part had been released only in unpopular hockey sets - (...) Indeed! But some people do find it: another good use of this part as a tread tensioner (URL) (18 years ago, 23-Mar-07, to lugnet.technic)
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| | Re: Motorized steering
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In lugnet.technic, Ian Power wrote: [snipped] (...) Hi Ian, This part won't entirely solve your "problem" (URL) it provides return back to center help to a spring and has been yet used succesfully for a motorized steering (Sorry, I have not find the (...) (18 years ago, 23-Mar-07, to lugnet.technic)
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| | Motorized steering
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OK - for all the mechanical gurus here... You've probably seen my RC manas truck on the sidebar here. The steering is controlled by one manas motor, geared down so it's really slow. This is done so that I can get the wheels back to center, because (...) (18 years ago, 23-Mar-07, to lugnet.technic)
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| | Re: GBC MOC: Track Wheel Reservoir (was Re: Tunnel Mouth / Bridge Arch)
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Hi Mark, Nicely done, and welcome to the never ending fun of the GBC! I've been also toying with the idea of using these tracks, and made a module using them as part of the GBC setup we had at Modelma (a modelism fair here in Belgium) Nothing really (...) (18 years ago, 22-Mar-07, to lugnet.technic, FTX)
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| | Re: GBC MOC: Track Wheel Reservoir (was Re: Tunnel Mouth / Bridge Arch)
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(...) Very slick, Mark. It is always fun to see something new! I look forward to seeing it in person in Chicago in June! Rafe (18 years ago, 22-Mar-07, to lugnet.technic, FTX)
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| | Robo Quad - Stage Two and Three
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(URL) Robo Quad - Stage One notes> Stage Two - Completed Stage Three - Completed Stage Four - Work in progress (URL) Robo Quad - Gallery> Stage One - Completed (URL) drive system>> (URL) front paw - top>> (URL) front paw - rear>> (URL) front paw - (...) (18 years ago, 22-Mar-07, to lugnet.announce, lugnet.robotics, lugnet.technic, lugnet.build.mecha, FTX)
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| | Re: GBC MOC: Track Wheel Reservoir (was Re: Tunnel Mouth / Bridge Arch)
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(...) Hey, very nice Mark! Warning, watching those little balls go around and around in a creation of your own can be... very addictive :-) (...) Nifty. I wouldn't worry at all about having *too much* throughput; since the overall rate is 1 bps, the (...) (18 years ago, 22-Mar-07, to lugnet.technic)
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| | GBC MOC: Track Wheel Reservoir (was Re: Tunnel Mouth / Bridge Arch)
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(...) I've not made very much GBC before but this was such a nice idea that I thought I'd have a go Brian: (URL) I used 36 tracks with pins on alternate ones to give a maximum 4 balls/second output. This can be reduced easily to the standard 1 (...) (18 years ago, 21-Mar-07, to lugnet.technic, lugnet.loc.uk, lugnet.announce.moc, FTX) !
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| | Re: Technic Manas Truck
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(...) You've used them nicely there! I agree with the on button issue - so far I've managed to leave them exposed... I thought of using the spare motor point for drop legs, but due to the fact that the manas motors are a little timing innacurate (...) (18 years ago, 21-Mar-07, to lugnet.technic)
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| | Re: Technic Manas Truck
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(...) Hi Ian, Nice MOC! I agree with you: integrating a Manas is not a simple matter. Here is an idea for you: use the spare function in the trailer's Manas to raise / lower a pair of landing legs (See picture of the real thing here: (URL) that (...) (18 years ago, 21-Mar-07, to lugnet.technic)
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| | Re: Boosting power in a gear train / torque amplifier
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I think one way to do this uses a differential (URL) and a pole reverser (URL). I don't have a picture to hand but the idea is simple. One side of the differential is connected to the low torque "input axle". The differential housing is connected to (...) (18 years ago, 21-Mar-07, to lugnet.technic, lugnet.robotics)
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| | Re: Boosting power in a gear train
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(...) A torque amplifier is EXACTLY what I need; thank you! Now I just need to figureout how to build one. Google has a few pix, two lego ones actually. I hope this will get me where I need to go! Thanks for the help, Rafe (18 years ago, 21-Mar-07, to lugnet.technic, lugnet.robotics)
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| | Re: Boosting power in a gear train
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More information about your application would be helpful. The first thought that jumps to mind is "Use a more powerful motor. Duh!". So there must be something that I am missing. There must be some reason you need to use the puny motor. Maybe you (...) (18 years ago, 20-Mar-07, to lugnet.technic, lugnet.robotics)
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| | Boosting power in a gear train
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I have a gear train that is driven by a very weak input, very small torque. There are some places in the gear train where I have some worm gears driving some 'regualr' gears. As I go along the gear train, I boost the output as much as I can with (...) (18 years ago, 20-Mar-07, to lugnet.technic, lugnet.robotics)
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| | Re: 8889 Technic Truck
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dear al have you ever constructed a (portable) forklift or do you know anyone that has? christian (18 years ago, 20-Mar-07, to lugnet.technic)
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