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Everything posted by Sariel
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8x8 steering problem
Sariel replied to raus's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Try adding photos that are not completely out of focus, that will surely help. -
So, I guess Daniel should be seeing those around a lot (apologies for the size of the photos, but I kept them reasonably lightweight): I'm not an expert on Humvees, but it didn't take long for me to realize that my first H1 model wasn't really good, so this is the second one. This time in a proper colour, with more attention to details, and finally with a realistic suspension: full independent with portal axles. As the suspension system uses only basic Technic parts, it was quite a task. Additionally, there is a 2-speed heavy duty remote controlled gearbox which you can copy from the instruction at my website and use as you wish. The model was designed with a Truck Trial race in mind, it has participated in one, it managed to drive successfully through one section and then a fatal damage to the drivetrain occurred - namely, some 8-teeth gears that I meshed in a row, apparently not thinking clearly, got grinded. Redesigning the drivetrain would be too much work, so I won't be developing this model any further. Gallery And the video:
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technik wheels and tyres
Sariel replied to SNIPE's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Tried this yet? http://isodomos.com/Visual-Parts-Helper/Lego-Wheel.html -
If I may add something... I understand and accept LEGO policy, but at the same time I find it utterly incoherent. So, knives, swords, sabres, pistols, muskets are acceptable, but tanks are not. The usual argument is that tanks are designed for killing. Well, it appears to me that a sword and a tank are instruments created for the very same purpose, just at different technological levels. I understand that swords look good with knights and sabres seem natural with pirates, but let's not fool ourselves - they are made for killing, not for scratching one's back. The other usual argument is that tanks are too modern. I agree, they are way more modern that e.g. a musket is - but may I ask, what about the Death Start then? And how come tanks are too bad, but a device created solely for the purpose of destroying entire planets is perfect to let kids play with?
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Trial Truck style crawler
Sariel replied to AndyCW's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
It's true that there are differences in speed between motors, but they are usually so insignificant, that it hurts less to simply ignore them than to include a differential which is large and much more damage-prone than the knob wheels are. I believe that these differences are proportional to motor's speed, which means that they are smaller for slower motors. I usually run XL motors at 7.2V, so their nominal speed is just around 100 RPM, and I've never run into any problems caused by coupling them without a differential. -
Playing with the focus was possible thanks to a DSLR camera (Sony a33, specifically), which I only bought recently. It can record videos in exactly the same way it shoots photos, auto and manual focus modes included. I'm delighted with it and I think I will be getting more from it in the future - in fact, I have just ordered an external microphone, because it can be equipped with one.
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There are 5 mini-LAs altogether. I got them from a single 8265 set and from some Bricklink shopping. Both XL motors are powered from the same outlet, so they don't, in fact, operate at their full power, but they're still sufficient and it makes the electric system less complex (weird as it sounds in case of this MOC ;)).
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@efferman Only both ropes at the same time, as there was no space for any sort of a distribution mechanism between the drums. @Milan You're right, for some reason I forgot the width of my model's body :) The real truck is 2.4m wide, which means that the model is at nearly 1:17 scale (1:16.66 to be specific). My mistake.
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Then it was my misunderstanding of the context of the word insane that started the whole thing - I apologize. The very concept you're referring to is not that unusual, as it's been the very core of the recent Lego 8043 excavator (4 motors, 6 functions). Still, you have plenty of reasons to be proud, as this is a well built, complex and neatly thought-through MOC.
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Nice, but aren't you exaggerating a bit? If this gearbox is insane, then how would you call Misha van Beek's automatic one, or one that can have 10 speeds or more from a single motor? More I appreciate the effort you have put in this MOC and the fact that you're proud of it, but one should avoid overstatement thinking of own work. After all, doing something perfect or top-of-the-line means that you can't possibly improve, can you?
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Legoist's OsDozzer
Sariel replied to LegoistT's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Ever heard the term "resizing photos"? -
MOC: Willys Jeep
Sariel replied to efferman's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
You will start to appreciate 8-teeth gears once you see how 14-teeth gears handle the torque (or should I say: how they yield to it), trust me. -
Crowkillers' 2011 Supercar WIP
Sariel replied to DLuders's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
I'm fairly sure they're exactly the other way around - Crowkiller's on left (with distinctive chrome wheels), 8070 on right. -
Transmission 2:15
Sariel replied to Cubix's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
2:15 equals 1:7.5. You can achieve that easily using two pairs of gears: one with 1:3 ratio and another with 1:2.5 ratio (as 3 x 2.5 = 7.5). As Eric pointed our, the simplest possible combination is 8t gear > 24t gear in the first pair and 16t gear > 40t gear in the second pair. -
Crowkillers' 2011 Supercar WIP
Sariel replied to DLuders's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
No need to be so harsh to yourself, really.