Zerobricks Posted February 3, 2018 Posted February 3, 2018 Here is a sneak peak of one of my biggest projects up to date: Project started with a new type of a gearbox, which uses only two toothgears at any time in order to transfer power from motors efficient to the wheels: Here are a few specs of the model: Length cca. 80cm when folded Width cca. 30cm Height cca. 25cm Weight cca. 4,5 cm Dual rear live axles in the back independent suspension in front 4 electrically controlled gears + 1 additional electro-pneumatically controlled gear Working towing arm in the back capable of lifting weights of over 1kg Dynamic lights All functions controlled by 3 Sbricks Currently we have snow here and I can't shoot a video as planned I will post more info as soon as I manage to take more photos and a video. Quote
Aventador2004 Posted February 3, 2018 Posted February 3, 2018 Interesting gearbox, does it work well? Quote
Zerobricks Posted February 3, 2018 Author Posted February 3, 2018 11 minutes ago, Aventador2004 said: Interesting gearbox, does it work well? Gearbox was made to survive the torque of XL motor/3x L motors in any gear Quote
Meatman Posted February 3, 2018 Posted February 3, 2018 25 minutes ago, Zerobricks said: How is this even possible? Quote
Aventador2004 Posted February 3, 2018 Posted February 3, 2018 13 minutes ago, Zerobricks said: Gearbox was made to survive the torque of XL motor/3x L motors in any gear Ok. That's mental! Quote
Leonardo da Bricki Posted February 3, 2018 Posted February 3, 2018 First thought was a Henessy Velociraptor 6x6. Like the looks of this machine, show us more! @Meatman It's really hard to tell from the photo, but the lower axle is mounted at an angle, allowing all the gears to mesh. Quote
JonathanM Posted February 3, 2018 Posted February 3, 2018 That is a very interesting idea for the gearbox - nice use of the turntable to get 28z! Looking forward to seeing how you mounted it. Quote
syclone Posted February 3, 2018 Posted February 3, 2018 Looks interesting so far, I remember you proposed that kind of gearbox long ago somewhere on EB, nice to see it finally coming to life! Quote
Lox Lego Posted February 3, 2018 Posted February 3, 2018 (edited) amazing! You have stayed away from the smallest gear in the transmission. (which always skips in a gearbox with a large vehicle) I'm very interested how that works, well done! PS - I love the front lights Edited February 3, 2018 by Lox Lego Quote
TheMindGarage Posted February 3, 2018 Posted February 3, 2018 Very interesting gearbox. Do you think adding a reverse gear is possible? Quote
Zerobricks Posted February 3, 2018 Author Posted February 3, 2018 49 minutes ago, TheMindGarage said: Very interesting gearbox. Do you think adding a reverse gear is possible? It should be possible to wedge another gear for reverse, Here is another photo of the model: Quote
letsbuild Posted February 4, 2018 Posted February 4, 2018 Wow, it is absolutely massive! (That's what she said) Can't wait to see more! Quote
mocbuild101 Posted February 4, 2018 Posted February 4, 2018 8 hours ago, Meatman said: How is this even possible? That's exactly what I was thinking... The only way I could see it working is with a universal joint at each end - but that would make it too weak... Quote
Zerobricks Posted February 4, 2018 Author Posted February 4, 2018 5 hours ago, mocbuild101 said: That's exactly what I was thinking... The only way I could see it working is with a universal joint at each end - but that would make it too weak... Very good thinking and I agree totally. Unless you use a U-joint like this: Few more photos I took today: The engine is a 15 cylinder in an ?epsilon? configuration. Quote
mocbuild101 Posted February 4, 2018 Posted February 4, 2018 2 hours ago, Zerobricks said: Unless you use a U-joint like this: I had a feeling you might have done that... 2 hours ago, Zerobricks said: The engine is a 15 cylinder in an ?epsilon? configuration. Interesting... How did you make the crankshaft? Quote
Lakop Posted February 4, 2018 Posted February 4, 2018 is it based off a real vehicle or is it your own creation? I love the front and the engine you've thrown everything at it. H Quote
Zerobricks Posted February 4, 2018 Author Posted February 4, 2018 7 hours ago, mocbuild101 said: I had a feeling you might have done that... Interesting... How did you make the crankshaft? I used 3L axles insetad of usual 2L ones and a combination half-width levers, I will take more details picture of engine for you. 5 minutes ago, Horace T said: is it based off a real vehicle or is it your own creation? I love the front and the engine you've thrown everything at it. H It is loosely inspired by type of vehicle as seen below: And here is a challenge: Can anyone guess the functions I have not yet stated from the photo below: Quote
Aventador2004 Posted February 5, 2018 Posted February 5, 2018 4 hours ago, LvdH said: I think I see locking differentials... Me too, pneumatic. Quote
mocbuild101 Posted February 5, 2018 Posted February 5, 2018 (edited) 7 hours ago, Zerobricks said: Can anyone guess the functions I have not yet stated from the photo below: Looks like the grey 5x11 panels on the sides are moved by pneumatics... But I can't quite work out which direction they move... Also, are the universal joints coming out the back of the servo for a moving steering wheel? Edited February 5, 2018 by mocbuild101 Quote
Zerobricks Posted February 5, 2018 Author Posted February 5, 2018 23 hours ago, LvdH said: I think I see locking differentials... Very well obseerved. yes the rear two axles have lockable differentials 16 hours ago, mocbuild101 said: Looks like the grey 5x11 panels on the sides are moved by pneumatics... But I can't quite work out which direction they move... Also, are the universal joints coming out the back of the servo for a moving steering wheel? The 5x11 panels are connected with a function nobody guessed yet And yes, universal joints allow the steering wheel to steer along with the wheels. Quote
Saberwing40k Posted February 5, 2018 Posted February 5, 2018 I'm guessing the panels are fold out steps, like 8466. Quote
Aventador2004 Posted February 5, 2018 Posted February 5, 2018 2 minutes ago, Saberwing40k said: I'm guessing the panels are fold out steps, like 8466. Ha! Beat me to it. Quote
lcvisser Posted February 5, 2018 Posted February 5, 2018 Wow, this thing is huge! I thought at first that those were the "regular" 62.4 wheels, but I realise now that those are the Unimog wheels... The amount of detailing you put in hides its size a bit (of course, I could've read the dimensions first ). Excellent work If I may have one comment: I think the boom looks a bit misplaced... Not sure if it's the color, the surface of the panels, or the lack of "greebling" or a combination thereof. When I compare it with the detail of the rest of the model, especially the front and engine bay, I can't help but thinking the boom looks a bit unfinished. I'm looking forward to the video! Out of curiosity, is there a particular reason why you didn't close the battery box? Quote
Zerobricks Posted February 16, 2018 Author Posted February 16, 2018 On 5. 2. 2018 at 9:39 PM, Ludo Visser said: Wow, this thing is huge! I thought at first that those were the "regular" 62.4 wheels, but I realise now that those are the Unimog wheels... The amount of detailing you put in hides its size a bit (of course, I could've read the dimensions first ). Excellent work If I may have one comment: I think the boom looks a bit misplaced... Not sure if it's the color, the surface of the panels, or the lack of "greebling" or a combination thereof. When I compare it with the detail of the rest of the model, especially the front and engine bay, I can't help but thinking the boom looks a bit unfinished. I'm looking forward to the video! Out of curiosity, is there a particular reason why you didn't close the battery box? First, sorry for late reply, had abusy week. About the boom, it is suppose to look basic and utilitarian in order to contrast the detailed rest of the model. It also is made the extend out by additional 30 cm, while supporting a weight of around a kilogram. I will record the video as soon as the snow melts. The battery box was left uponed because I was in process of changing batteries didn't bother closing it. This thing drains batteries really fast, so I am thinking of using another source of power for video recording. Here are the close-ups of the rear axle subassembly: Notice anything unusual in the front axle? Quote
letsbuild Posted February 16, 2018 Posted February 16, 2018 15 minutes ago, Zerobricks said: :snip: Notice anything unusual in the front axle? :snip: It's very colourful? It's steered, suspended, and driven? I have no clue... Quote
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