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Everything posted by Hrafn
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Fitst PF technic car [MOC]
Hrafn replied to Daniel-99's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Small cars definitely can have an advantage in the power to weight ratio. I agree with @Gray Gear that you could go larger on the wheels - you should have enough torque not to stall the motors even with larger wheels. -
[MOC] ORA electric car
Hrafn replied to falconluan's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
This is a fun build! I am curious to see your steering solution and the torsion beam suspension. -
[MOC] Ferrari F40 1:10 RC
Hrafn replied to paave's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Thanks for sharing this. Is there any chance you have close up photos or animations of the pop up lights? I would be interested to see your solution. -
Strange Power Functions Issue
Hrafn replied to jshuiting's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
That sounds really frustrating. Is it a V1 or V2 receiver? Have you tried stacking the leads, or using extension cables, to see if the issue is with the contacts? For example, if the L motor only works on the red side of receiver A, attach the XL to the blue side of that receiver, then stack the L motor's connector on top of the XL motor's connector. Take a good look at the motor connectors and the receivers - is there any sign of wear or rust on the contacts? What happens if you connect a receiver to a PF-to-9V converter cable, then 9V-to-9V, then 9V-to-PF, then a motor?- 5 replies
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- power functions
- electrics
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Technic General Discussion
Hrafn replied to Jim's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Is there some context for this somewhere that I missed? -
[WIP] Aston Martin Valkyrie
Hrafn replied to Jeroen Ottens's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
I think you'd be better off with 1x2 tiles for the brake lights. They could be offset longitudinally using jumper plates so that the middle one protrudes more. Looking at the real car, the rows are not offset horizontally, but the middle row protrudes; when viewed at an angle it makes it look like the rows are horizontally offset. -
[MOC] 1:16 McLaren F1
Hrafn replied to OnyyX's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
The doors are a little thick and blocky, but I think you really did a great job on the front and back, and the cabin. -
Maybe BuWizz can spend the profit from these on website security - I tried to visit the site just now and it was blocked as having malicious code.
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Generic Contest Discussion
Hrafn replied to Jim's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
GBC is great but there are so many other wonderful non-vehicle creations people have made that I think there is room for a GBC contest and a non-GBC, non-vehicle contest. I am thinking about things like these Nico71's braiding machine Or this fractal drawing device -
Generic Contest Discussion
Hrafn replied to Jim's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Is it correct that all of the contests so far have focused on vehicles? I would love to see one on a topic other than vehicles - manufacturing equipment maybe? -
[WIP] Aston Martin Valkyrie
Hrafn replied to Jeroen Ottens's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
I was unfamiliar with that piece so I took a look at BrickLink and OUCH those are expensive ($4 each) -
Very cool! Thank you for sharing it. And the bank of old-school printed display bricks brings back pleasant memories. What do you think was the issue with the crab steering? Was the pivot point too far from the wheel center, was it a structural issue, or something else? Those portal axle parts are great for ground clearance but I could see them being tricky to steer smoothly.
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I don't have time to watch the whole video - is there anything in there discussing how you built the car strong enough to keep it from self-destructing at those speeds? I did scan through and see a couple of times where it went into grass and lost parts - did you reinforce it after that happened? The shaping on this is great. Is there a reason you went with black for the plates and slopes at the bottom of the wheel well?
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I missed this the first time around. I love how compact and clean this build is.
- 38 replies
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- powered up
- mini
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[MOC] String-Ball Winding Machine
Hrafn replied to ord's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
This is great. Thank you for sharing it with us! -
Another Drift Car (WIP)
Hrafn replied to FriedlS's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
If - like me - you find bodywork a pain, you could always take your internals and wrap them in an existing model's body. Maybe Piterx' Lancia Stratos? https://p-lego.blogspot.com/2014/08/lancia-stratos-hf.html?m=1 -
Thank you for sharing this (for free!) I do not have Studio; would it be possible for you to share a photo of the front suspension (and maybe post it to the axle collection thread)? Narrow steered, suspended, driven axles can be tricky so I am sure I am not the only one who would like to see more of yours.
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npicard's small mechanisms
Hrafn replied to npicard's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
This takes me back to my freshman year analog circuits class, and not in a good way. Flip-flops and muxes and XAND, oh my! Which is all to say that I am very impressed by your ambition. Many years ago I saw someone implement individual logic gates with Lego pneumatics, but I have not seen this approach before. -
Zero's workshop
Hrafn replied to Zerobricks's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Thanks for sharing this. I would love to have clutch gears with 12 and 24 teeth; 28 is a little less useful in my view but I wouldn't turn it down.