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Everything posted by z3_2drive
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New Prototype Crawler Axle
z3_2drive replied to z3_2drive's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
I like your idea! But I'm keeping mine...if I even finish. Need to make a BL order, and I've had my eyes on this for a while... -
Custom parts
z3_2drive replied to AKM_76's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
I also made this odd mod of the 8466 chassis...It was one of my first technic models so I had few technic parts and decided to make an interesting body by hand... it was supposed to be a model of this: so I got some paper and markers, plus an angle-connector skeleton, and got this: not custom parts but a not-fully lego MOC -
Custom parts
z3_2drive replied to AKM_76's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
I once cut some flex axles because I accidentally bought ones 2 studs too long, and didnt have the patience to make another order. -
Truck with Semi-trailer
z3_2drive replied to legosamigos's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
haha the truck has 'LEET' weight great MOC -
like I said on youtube, amazing truck, and the need for parts like this: is now very urgent... I like the shifting mechanism especially, I may do a bit of re-designing and try using a servo, but for now I need to make a BL order EDIT: you never showed it in 4th gear...too fast?
- 21 replies
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- crawler
- trial truck
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i've broken u-joints, ground gear teeth, and scratched panels/liftarms on the bottom of my MOCS, but it's all good fun and easy to replace...or leave scratched pieces and re-use them to show off your 'battle scars' only pricey parts I've rendered useless are the 3l differential cases which I don't have too many of and are pretty expensive if you keep buying them.
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Your parts wishlist
z3_2drive replied to skppo's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
a new line of radio control receivers to replace older ones-with more efficient/smaller electronics, because IR-not so good-it's caused me to spend lots of time rebuilding the whole front end of a car due to signal loss on multiple occasions even inside the house... -
New Prototype Crawler Axle
z3_2drive replied to z3_2drive's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
the link on the top of the shocks is just to keep the shocks from coming off the chassis, while letting them move independently at the same time In fact, I decided to use that for the current crawler-here's a photo of the shock setup plus some extra bracing on the axle: Really like these tires, but they could use some larger treads/knobs whatever you want to call them -
New Prototype Crawler Axle
z3_2drive replied to z3_2drive's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
because when they are rectangular they are parallel-so they are not acting against eachother, which allows the bad side to side movement. And yes but shock absorbers can be placed many different ways to offer different degrees of articulation, check out this topic of mine to see a high articulation setup: http://www.eurobricks.com/forum/index.php?showtopic=72695&hl= -
New Prototype Crawler Axle
z3_2drive replied to z3_2drive's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
on a 4 link setup-well-on any suspension-all forces acting on the axle have to be equal in order to keep it in place-normally called 'triangulated 4-link' but this is only to keep the axle from moving side-to-side, which is a bad thing for a crawler. Here is a real-life example: And the reson for having two pairs is if there were only one, the axle would become extremely unstable and rotating up and down...it would look something like this -the second pair equals out the forces keeping the whole axle stable-and that no-shock absorber crawler is stupid IMO, it can easily roll over and driveshafts can pop out if his geometry is not perfect. It can get complicated with lots of terms and hard to explain through text, maybe andy can give a bit more insight. -
New Prototype Crawler Axle
z3_2drive replied to z3_2drive's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
interesting, I always enjoy watching videos of those rock buggies, especially Tim Cameron. I wonder if buggy motors could deliver enough torque without too much gear reduction that makes it soo slow... but I' sure it'll turn out great, good luck! -
New Prototype Crawler Axle
z3_2drive replied to z3_2drive's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
sounds promising-will it be more of a trial truck than a crawler?hey Andy, I fixed the triangulation! was very easy and actually offered another strengthening point in the middle Pic- -
New Prototype Crawler Axle
z3_2drive replied to z3_2drive's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
haha I know, but the way I situated the links may need some work, I was trying to finish quickly, and I also was thinking about your KOTH crawler while building this -
New Prototype Crawler Axle
z3_2drive replied to z3_2drive's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
well, I did build it all in a couple hours and there was a lot of half stud offsets to deal with, but actually, it's much stronger than it looks and of course i'll make changes in the future but I'm leaving the main structure as it is because it's strong and it works. And Tim, that idea looks very interesting and if I find this does not have enough torque in the end i'll switch to it-BUT it makes the wheelbase 4 studs longer and I dont really want that... -
New Prototype Crawler Axle
z3_2drive replied to z3_2drive's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Well, some time has passed and I played around with some ideas and eventually decided on using the output selector gearbox by Sariel. So after building yesterday evening and this morning I finally got a half-chassis connected to the rear axle, along with a fully remote controlled shifter using mini LA's. pics: -
Nico71's Creations
z3_2drive replied to nico71's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
was wondering why there wasnt any posts about this, I saw it and it looks/works great! -
Floating crane
z3_2drive replied to Sariel's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
or looking out for the mythical sea-hamster great MOC -
4x4 Rock Crawler
z3_2drive replied to Doc_Brown's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
I like the placement of the receivers to look like a toolbox- 31 replies
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- 4x4
- rock crawler
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4x4 Rock Crawler
z3_2drive replied to Doc_Brown's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
It shakes because it is too soft-it sways. If he made it softer it would sway too much to one side and fall over, like at the end of the video.- 31 replies
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- rock crawler
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4x4 Rock Crawler
z3_2drive replied to Doc_Brown's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
awesome, one of the best climbs I've seen-similar to ones by Marcelo Raus.- 31 replies
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- 4x4
- rock crawler
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