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Everything posted by Thirdwigg
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I think I am finally getting ideas down on paper. A calculator has been attached to my hip for the last couple of days making sure my dimensions will be under 10,000 cubic studs. This is so much fun already.
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Thanks again for the review. I am not sold on this one yet, but I confess it took about 2 years for me to finally appreciate 9396. Maybe I need to see this in person.
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[REVIEW] 42048 - Race Kart
Thirdwigg replied to Jim's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
As others have said, I am pleasantly surprised with this set. The colors look great. I think it's great that the gearbox parts are in a (relatively) inexpensive set. This is great for persons who are new to Technic, and teach young persons some simple functions. For us MOCers the new, and diverse parts are great. -
This is a great contest. I like the restrictions of the cubic studs, the requirement of the B model, and the manual functions requirement. I think this will create some creative builds, and force many of us builders outside of our comfort zone.
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Technic General Discussion
Thirdwigg replied to Jim's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Note quite, it uses 32184 for the axle mount. -
[MOC] Audi allroad
Thirdwigg replied to Thirdwigg's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
I did not use Differentials due to the space, as independent suspension was my first priority. I think I can make it work with a floating setup like my 8081 RT, but that may be a couple of MOCs from now.- 17 replies
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[MOC] Audi allroad
Thirdwigg replied to Thirdwigg's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Correct, but I use three motors rather than two different ratios.- 17 replies
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[MOC] Audi allroad
Thirdwigg replied to Thirdwigg's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
The video link is posted above. Thanks. I took it apart already as I was ready to be done with this project. Feel free to take a swing at it, and let me know what you came up with. It's not quite that complicated. Basically think of it as three motors all spinning in the same direction; one for each gear. When you turn on each motor, it increases the speed applied to the wheels. Think of it this way; take any LEGO vehicle with a fake motor and a differential connected to two wheels. Turn one wheel while holding the other stationary, and note the speed of the fake motor (half the speed of your wheel rotation). Now spin both wheels in the same direction, and the fake motor will spin faster (the same speed as both wheels). The allroad uses this concept twice by having three motors (e.g. wheels) move through two differentials to the drive axle (e.g. fake motor).- 17 replies
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[MOC] Audi allroad
Thirdwigg replied to Thirdwigg's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Yep, the suspension and drive works better with rear wheel drive; differentials would be better in this all wheel drive application. Correct, if you run two motors in the opposite direction, the car will stay put and not move.- 17 replies
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[MOC] Audi allroad
Thirdwigg replied to Thirdwigg's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Basically each motor is a gear, with the differentials reducing the speed when a motor is not operating. When all three motors are running, no subtraction happens through any of the differentials. It's simple, and works pretty well.- 17 replies
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Some projects just take a long time to complete. The Audi allroad is finally complete, and since it took so long to come together, I took it apart yesterday. I guess I was a little more motivated by the disassembly, than by the assembly. More information is at thirdwigg.com. A video can be found , but keep your expectations low.Features: All wheel drive Steering by PF Servo Three speed transmission Drive by three PF L motors All wheel independent suspension Roof rack for all your toys Enjoy, and happy building.
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Generic Contest Discussion
Thirdwigg replied to Jim's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
I very much like the cubic studs limit. It limits size, and is a little easier to verify than part count. 10,000 cubic studs sounds pretty good. -
[MOC] Lawn Tractor
Thirdwigg replied to damjan97PL's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Very fun. -
I echo the want for a Grader. I would also like to see a Scraper that is better than some of those old B models. I would love to see some boat; think of the functions that could be included on a fishing boat or something. I am a sucker for Fellers and Garbage Trucks. I would love to see them. I am a little baffled we have not see a Garbage Truck before, they are often made into children's toys. I wonder why we have not see them in a Technic line before.