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About RocketPuppy

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  1. The world runs on F-it and good enough. I'll usually give myself a set of limitations to build within before starting a MOC. Building at small scales for fun helps a lot, you'll be forced to come up with very creative solutions to make things work. Like “I'm going to build a six stud wide pushrod suspension." it's limited in scope, do-able, and you'll learn a bunch from doing it. Even building a bunch of smaller scale models with limited functionality before trying to create a custom 1:8 Supercar. So build a 1:20 car with working suspension, a 1:20 car with a 3 speed gear box, and another thats RC controlled, put them in the car transporter. Now use what you've learned to build the big one. If the goal is to build the best thing possible, set a dead line to achieve it. You'll learn more and get better building and finishing imperfect things than you'll ever grow never finishing that perfect thing.
  2. RocketPuppy

    Servo Motor not fully centering anymore

    The PU motors leave a bit to be desired in a steering rack. They'll center perfectly on powering up or forcing a recenter, but develop slop in use. This can be slightly mitigated by building a beefy steering rack to reduce the amount of wiggle between pieces, but doesn't eliminate it. Going with an independent suspensions magnifies the problem. The tiny wiggle between pieces that allows an independent suspension to work freely causes a slight toe-in of wheels in the direction of travel (at least with a Macpherson, double wishbone, or pushrod suspension, or their closest lego equivalents). This is usually fine going forward, but in reverse it causes a toe-out on the steering, which will pull it off center (using a locked differential or no differential on drive wheels mitigates this, but under normal conditions powered wheel will slightly pull the vehicle in that direction when starting to move or over uneven/slippery surfaces). Adding a torsion bar or sway bar helps a lot, but that isn't possible at all scales, and it can be difficult to build one flexible enough for the motor to overcome. EDIT: Rubber bands mounted to pull things to center and prevent toe alignment shifts help too. Another annoying thing is the L PU motors are the same dimensions as the PF ones, with the same annoying mounting points. Really wish Lego would have made it a full stud wider instead of a half stud on the thicker sides, and added a few mounting holes. On smaller scale MOCs the compromised width without mounting holes can make mounting the motor take up more room than if Lego committed to a full stud length.
  3. I've found that many things actually need proportions tweaked a bit off from reality to look right, especially if you go smaller than 1:10 scale. Cars are the toughest to get right. Lego wheel/tires frequently wind up not being quite the right size, throwing off the look. Oddly enough, shorter wheelbase cars often look better slightly stretched, and longer wheelbase cars look better slightly shrunk. The larger the scale, the more accurate proportions need to be.
  4. RocketPuppy

    42123 McLaren Senna GTR

    After building a few MOCs in this scale, I'm actually OK with losing some functionality as long as each car in the “series“ brings something different to the table. Maybe one has working suspension and Ackerman steering, but no diff or working doors. Another has a small trans and diff, but basic steering and no suspension. Another has a functioning twin turbo but no diff. Currently working on a mini 911 GT3 that's rebrickable from 42093. Fitting the engine above the differential took some trickery, even more so to make it short enough after adding a slight V to the boxter so it could work under gravity. Crazy thing is if I decided to use pieces beyond 42093 there's just enough room to squeeze suspension, and 4spd transmission if you don't care what the interior looks like.
  5. RocketPuppy

    42125 Ferrari 488 GTE “AF Corse #51”

    A brick built 2 plate tall skirt would extend the body down enough to make it look the correct right height. Might be possible to do via lift arms with some significant chassis redesign. The very front skirt is low enough, nothing else is though. Really wish they'd include a working transmission in one of these non flagship cars, even if it sacrifices other functions to do so. Would be nice to have a more affordable parts pack with transmission pics other than $350+ lego sets, or multiple $70 Ducati bikes.
  6. RocketPuppy

    Compact wormgear gearbox?

    Yeah, I broke a few beams, axles, and worm gears this way experimenting a few years ago. The worm gears want to travel, you lose a lot of energy through friction locking them in place. Longer axles can warp under the friction. It doesn't take much power before you realize worm gears aren't ideal when used with motors. With the newly produced gears being softer overall I wonder if the chances for backlash are higher, possibly causing damage to the gears driving the worm gear.
  7. RocketPuppy

    Compact wormgear gearbox?

    Lego worm gear doesn't handle torque well at all. It's been tried, but it is one of the worst Lego gears at handling torque. You get better results with standard gear reduction. The idea makes sense mechanically, but doesn't transfer into lego well. The Lego worm gear is made of softer plastic and has some pretty loose tolerances.
  8. RocketPuppy

    42107 - Ducati Panigale V4R

    Lots of Targets for them out early. I grabbed one a week ago. According to Target staff on the interwebs (so take this with a bowl of salt) each store only got 3 in the first shipment.
  9. Just build it. These guys are going to be working on this for months/years. They'll release instructions for each major version, but they'll continually improve upon it. Build the thing, let it sit on a shelf for a few months, and see what magic these guys pulled off in the meantime. The 1:8 Supercars get a new release every 2 years. You have plenty of time to build, then disassemble the Sian. The pimp my Sian will still be here being continually improved during that time. Make no mistake. This project will be better than the factory Lego model. Right now it's more in the beta/prototype stage. Weaknesses will be found, simpler ways to do things will be discovered, and even more improvements to functionality and form will be implemented. While I have a few gripes about the Sian (overly complicated transmission, no Ackerman steering, hood wedge shape) , Lego did a much better job with the entire package of functions and appearance this time. The pimped version will be better, but Lego really improved a lot of things, the Sian is a much nicer overall set than the 911 GT3 and Chiron that preceeded it.
  10. RocketPuppy

    42115 - Lamborghini Sian FKP 37

    I wouldn't be surprised if slightly mis-matched colors is the new normal. Or at least for a few years while Lego adjusts to its growth.
  11. RocketPuppy

    42113 Bell Boeing V-22 Osprey

    This set looks great, especially for the functions and pieces you get for the money. Part of me is looking at this, knowing how complex the real thing is, and wishes Lego had used the V22 as next years flagship 3000+ piece set. Would have been a nice departure from big construction vehicles, and there would have been plenty of opportunities for unique Technic mechanical solutions at that scale. At least it's going to be a good priced set with power functions.
  12. RocketPuppy

    42115 - Lamborghini Sian FKP 37

    Don't think you'll really start seeing any MOCs outta 42115 for awhile. Lego kinda dropped the ball on supply. I got my order in on the 31st, probably one of the first people in the States to get it through (had to stay up late keeping an eye on local protests and riots, which largely meant hitting F5 until on my PC until it was available for purchase). Was on backorder before the 31st ended. Some parts of Europe had better luck, some had worse luck.
  13. RocketPuppy

    Lego Technic Sticker Discussion

    I don't mind stickers at smaller scales or lower price points. They work wonders on the Speed Champions line, though not Technic, to give the cars detail that would not be possible at that scale with bricks. They also keep the price down. I know most of us prefer printed pieces, but the print quality on pieces is inferior to the print quality on stickers. This also matters less as things scale up. On the Chiron I absolutely loathed stickers on a flagship set. Especially the not full brick length brake caliper stickers. With Corvette ZR1 I kind of wish they hadn't tried to brick build the headlights, and just used panels to sculpt the shape better and use stickers for the headlights. That set isn't a bad Technic set, but its barely recognizable as a Corvette.
  14. RocketPuppy

    42115 - Lamborghini Sian FKP 37

    Had same problem with my Chiron instructions. Present in the online. Pdf instructions too.