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Everything posted by nico71
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Wheel loader
nico71 replied to nico71's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
@Blakbird : yes I will update the BS folder with tne .mpd. For the moment, the part list in text file is here. :) For the video, I use ldview (last release) but with the option latitude and longitude rotation, the moc rotate on a center point with a fixed angle, which is better. I record the video during I press on the button "next step" on Ldview, quite simple :) @grohl, thanks ! -
Wheel loader
nico71 replied to nico71's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
The part list is in the links : http://www.nico71.fr/?p=562&nggpage=4 (page 4) or at the begining of BS folder : http://www.brickshelf.com/cgi-bin/gallery.cgi?f=442713 Also, here is a short video about building : :) -
2 years ago, I build this wheel loader, after some months, blakbird mades exelent rendering. After 2 years, I took the .mpd and re-work on it to add step, rotation step and make a pro-building instructions. The result is : The wheel loader was a good moc (two years ago), today, it's quite obsolete because of new differentiel, new frame which permit to build very strong transmission. Mine used old differential with special frame but this construction was really strong, a good point two year ago. About the features, you can read the complete article that I write on my blog : http://www.nico71.fr/?p=204 To download the building instruction : low-definition on Brickshelf : http://www.brickshelf.com/cgi-bin/gallery.cgi?f=442713 (1280x850px) High definition PDF available in the article on my blog : http://www.nico71.fr/?p=562 (33mo, 1500x1000px) Here is some renders of the building instruction : (powered by Ldglite with Lpub4.0). Please report any mistakes :)
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Working clock
nico71 replied to nico71's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
It's quite difficult to determine the accuracy, but with a slow down video of 1min, the total time was 1m2s. In fact it depends of the force we lunched the pendulum, after 5 oscillation, the tic-tac is accurate I have a SR3D file, and of course we it was finished, you will have a pro-building instruction ;) I keep in mind that use a little amount of part. But to be honnest, lego aren't watchmaking therefore I don't think the clock will be accurate during 12hrs. It works nice and it's a lovely decorating object :) I build the working clock in 10hours, 8hrs for the clock escapment, because it's difficult to settle precisely. -
I present you my working clock prototype 1 : This is a 3-hand clock with weight and pendulum. To pass 3 movements on the same axle, I use a turntable + differential + axle. The gears are 1/60 between secondes and minutes and 1/12 between hours and minutes. 1/12 = 16/16 8/24 16/16 14/56, (blue) 1/60 = 8/40 8/24 8/8 8/8 8/16 8/16, (green) The autonomy is 15min, that is quite low. I have two choices : -change the winch wheel to have more lenght of rope but the rope willbe moved faster -change the position in the clock of the winch, here is on the second-hand axle with 20/12 gear. The fact is the torque generate by the weight on winch powers the pendulum. If I place more gear (multiplication)in order to have more autonomy, the torque is lowest on the pendulum therefore I have to add more weight or increase the diameter of the winch. I have chosen a maximun weight of 1kg and I will design my winch diameter and gear. I think it's the best approach that to start with the limits of lego. You can also watch the video about the clock escapment : Build a mechanical clock is a boy dream so I am happy and proud to succed :) If you have questions, don't hesitate to ask, my english is quite bad but I understand.
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My inspirations are from NK, crow and jurgen, but I try to be the most original as possible with my own design (because I started in feb2010, before crow published his modular concept). About modular concept, yes : front axle, rear axle, drivetrain on the main frame and after the bodywork. It's not a concept of modular building for me, it's only the way I have already built. About the holy, I certainly make a mistake, I just want to say that I would like to build a supercar which satisfy me, about the features and the bodywork. For the steering arm, I am agred but I am not crowkiller or NK I don't have new suspension arms, I build with my own old suspensions arm (with my little colection of 7sets) and it's ok for me. The new suspensions are the same, just less 0.5L not important for me because the car is scaled with a little amount of part. I will open a topic. :)
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Technicopedia
nico71 replied to Blakbird's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Just few words to say that what you did eric is fantastic et very helpfull, for the community and the no-AFOL. A very good explanation to popularize the mechanism and to present sets. As far as I know, french people like your work and we link several timme your website. So good job Eric, keep working ! -
GBC module : The wave
nico71 replied to nico71's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Thank you ! Philo has built a wave too, but the key is the liftarm with different size, not the gear offset. http://www.philohome.com/gbc/gbc-wave.htm -
I have created a new module : you can watch it at 3min10 on the video of the setechnic 2010 meeting : Also, I have created the building instruction with SR3D builder and Lpub4.0. I am satisfied of the result, the building instruction are clear and readable. Follow the link to check the gallery http://www.nico71.fr/?p=553 The brickshefl gallery : http://www.brickshelf.com/cgi-bin/gallery.cgi?f=440707 (soon public). All comments are welcome. :)
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Hi, for me, built 4kg truck isn't a optimised truck. That is the reason I have chosen to built the more lighter as possible. Lego isn't modelling, the motors are low powered and the plastic isn't very resistant. The frame is enought rigid for 1kg, for 2kg no, but in lego we build only what we need, The truck is optimised for its power and its weight. For the axle, even if it has bevel gears and universal joins, if I block all wheel and I run, the XL will be stalled without break parts. So the axle is very strong, mount it if you aren't convince. This truck could participate to the polish races, for me, built lighter avoid breaking parts, that not the case for the huge TT of polish races. That the same reason why I prefer lotus with 200hp instead veyron (2t) with 1000hp (spite of the fact buggati is french ^^). Do you understand my choice about design process ?
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I am regularly asked to sell my mocs, maybe 200 offers at the moment. The best offer was 700€ for my forklift truck, I don't know why because the forklift can be rebuilt with part from some sets and I provide the building instructions. Also, many people don't understand that I don't have all my moc built in the same time, only one or two, because my collection is really really small (6 sets). In any case, I plan since several year to start a E-company which sell expert technic sets, but the problem isn't the price, but the copyright with lego. Sell ideas with lego bricks is quite difficult, as soon as we talk about industrial process and many orders.
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Truck Trial Land Rover
nico71 replied to Sam42's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Only if the truck is very heavy, more than 1kg5 I think. Anyway, I haven't broken any 12t SB on my lada and I have driven on a hard ground (including 45° slope). Also, It's important to concentrate the weight on the rear axle to reduce the stress on the front axle, but with a lot of weigh one the back, the climbing abilities is not very good, we have to find a compromise. :) Nice TT by the way ! -
hep, I want to clarify, I don't tell anything if I was the author of all the ideas. There are just examples, I created lot of axles in Truck trial and this picture is designed to show you the different possibilities, so this is not exhaustive, just a attempt to a TT dispersion. For the render, I use SR3D builder, which is faster than mlcad. :) Dlulders : thanks to have corrected my mistakes, as you said, english isn't my mothertongue. :)
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Not quite, you should say "Bonjour et bienvenue Nicolas" :) Thanks for your comment about my blog.
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Thank a lot ! On my blog, there are some bug with the videos (when you started the video, It redirected you on youtube page), but I am going to fix it.
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Hello, my name is Nicolas, aka Nico71 on the web. I am french and a 21 year old guy. I have recently read some topic about my creations on this forum (thanks to dluders), and I would like to introdure myself. I am a prolific builder since the end of my dark age in 2007 (arround 80 complete creations). I build massively in Technic. I don't know if I am well-know in the international community, so my brickshelf account is here : http://www.brickshelf.com/cgi-bin/gallery.cgi?m=nico71 Also, I lunch today my new website : http://www.nico71.fr/ You can check it, It groups all my work about lego in english (including the building instructions and software). I have tried to provide the most informations as possible on my creations (difficult because I am french but I work on it). You can browse in the blog with the categories of just by clicking on a random creations you like. Also since I joined the partner-program on youtube, I could put links between the channel and my blog, so the integration is complete and functionnal. D'ont hesitate to comment, and I hope that you will appreciate. If you have questions or criticisms, please feel free to respond in this topic. Nico71
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Avenger
nico71 replied to Zerobricks's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
I love it ! You're very good with no-truck construction, such as buggy or the lynx ;) -
6x6 or 4x4, it's in fact the same things for the mechanical power. For the angle, in wheel base dimension, you should to put the dimensions betwen the two central wheels For 4x4 : A----B (Letter mean wheel) : distance AB For 6x6 A-B---C or A---B-C : distance BC in the first case and AB in the second case. For 8x8 A-B--C-D : distance BC etc. Do you understand ? I will uplaod a picture on the software to include 6x6 and 8x8, it will be more clear ;) For the lubricant, On the worm, it affect the efficiency, it increases the inficiency from 0.35 to 0.50
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As I said on Brick Truck Trial : At the moment, it’s too complicate to calculate the climbing abilities angle, causes lot of complicated values (wheel, grip, weight distribution, type of constructions, bearing systems friction and roll friction). But I think about it. A work also on a software to calculate power and torque of Lego pneumatic engine. Also, I will present myself soon, sorry for the moderator if I have posted my first post without be presented. ;)
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Hello. I am the author of TTools. Thanks to review my software dluders. I am proud to appear on Eurobrick's forum. @Zblj : for the dimension, the highter point of truck (in the midle) is the dimension "b". I suppose that you consider this dimension as the diameter because the schematics isn't very clear but it's the ground clearance, not the diameter. I am sure of the calculation of ground clearance angle (2 dimensions and only 2). For toothgears, you mean gears in general ? On the software, you can choose 14 gears (7 couple of gears pinion). The efficiency functions of all the gears. The software calculates the number of worm gear, spur gear, knob gear and calculate the efficiency in consequence. I hope I respond to your question ;)