R0Sch Posted May 26 Author Posted May 26 Lol! After the Flex-Ferrari here comes the Flex-Bike. :)) No wonder this is a display only set and comes with a huge wheel support. It can barely stand on its own two wheels without the frame flexing in every joint. The ugly grey ball joints are just the icing on the cake. Quote
R0Sch Posted May 27 Author Posted May 27 Better look at the Technic parts in this set (credit to PlayWell): Quote
SNIPE Posted May 28 Posted May 28 9 hours ago, R0Sch said: Are LEGO having a laugh or something here? These are not pinholes! There's no recess Quote
R0Sch Posted May 28 Author Posted May 28 2 hours ago, SNIPE said: Are LEGO having a laugh or something here? These are not pinholes! There's no recess I think the recess is on the other side, so the gear is not symmetrical. Quote
AVCampos Posted May 28 Posted May 28 4 hours ago, SNIPE said: These are not pinholes! There's no recess 3649 feels insulted by your remark. Quote
R0Sch Posted May 28 Author Posted May 28 1 hour ago, AVCampos said: 3649 feels insulted by your remark. Good point. Quote
Davidz90 Posted May 28 Posted May 28 Exactly, there are no recesses because holes are less than 1 brick deep. Only the central axle part is 1 brick, gears need some side clearance. Quote
Lyichir Posted May 28 Posted May 28 Yeah, having only the center axle hole be a full module wide will probably help avoid the gear catching on anything when it's right up against another surface. Quote
COPERNICON Posted June 4 Posted June 4 does someone have/knows pictures of how the freewheel/oneway gear looks on the inside? Quote
aFrInaTi0n Posted June 5 Posted June 5 @Moz I merged your post into this mentioned existing topic (thanks @Jurss). Quote
Stereo Posted June 5 Posted June 5 On 6/4/2026 at 2:52 AM, COPERNICON said: does someone have/knows pictures of how the freewheel/oneway gear looks on the inside? https://ibb.co/0p5Rt3B6 Someone shared pictures on Discord - the orange piece slides freely back and forth and alternating ramps catch it as it advances. No springs. Quote
SNIPE Posted June 5 Posted June 5 3 hours ago, Stereo said: https://ibb.co/0p5Rt3B6 Someome shared pictures on Discord - the orange piece slides freely back and forth and alternating ramps catch it as it advances. No springs. I wonder if its possible to take this gear apart in a non destructive way Quote
Auroralampinen Posted June 5 Posted June 5 6 minutes ago, SNIPE said: I wonder if its possible to take this gear apart in a non destructive way I don't think that was that destructive. The PF motors used a plastic pegs to hold them in place and i strongly think this uses plastic pegs too. I don't think lego uses plastic welding on these to permanently shut them in place Quote
HorcikDesigns Posted June 6 Posted June 6 Definitely a pegs, welding it would be too expensive. Quote
aeh5040 Posted June 6 Posted June 6 17 hours ago, Stereo said: https://ibb.co/0p5Rt3B6 Someone shared pictures on Discord - the orange piece slides freely back and forth and alternating ramps catch it as it advances. No springs. I'm quite surprised that this design seems to work so well. I do wonder how long it will last under heavy use. Quote
Davidz90 Posted June 6 Posted June 6 7 minutes ago, aeh5040 said: I'm quite surprised that this design seems to work so well. I do wonder how long it will last under heavy use Probably longer than a spring-based solution. It can only fail by ramps shearing off/grinding down over time, and they seem to be almost as bulky as regular teeth. This is an excellent design. Quote
Stereo Posted June 6 Posted June 6 If you loaded it heavily with a geartrain, it's probably going to wear the axle it's running on first (and the gear where it contacts that axle, which I expect is the green/grey pinhole, but that has more wear area than the axle's 4 ridges). Whenever it's freewheeling, the orange piece is almost entirely unloaded. The one thing I might change for an 'ideal' design is go slightly past 90° on the engagement faces of the ramps, so if the orange part is somewhere in the middle, it'll be pushed towards full engagement. But that's a more challenging shape to mold. If it does "skip" the first tooth it meets, it'll have full engagement on the next one. Quote
Timewhatistime Posted June 6 Posted June 6 The orange thingy's axle hole looks as if a crossaxle can be slided back and forth through it (like in the old worm gear or in the red 8t gear). Can someone please confirm (or rebut) my assumption? Quote
SNIPE Posted June 6 Posted June 6 1 hour ago, Timewhatistime said: The orange thingy's axle hole looks as if a crossaxle can be slided back and forth through it (like in the old worm gear or in the red 8t gear). Can someone please confirm (or rebut) my assumption? yes, there's just about enough room also, for 0.5L center stops which certain axles have (e.g 5.5L ,4.5L , cv joint female. Quote
aeh5040 Posted June 7 Posted June 7 4 hours ago, Timewhatistime said: The orange thingy's axle hole looks as if a crossaxle can be slided back and forth through it (like in the old worm gear or in the red 8t gear). Can someone please confirm (or rebut) my assumption? Yes, that's right. The whole thing slides on the axle frictionlessly. This seems to be necessary given the design. 14 hours ago, Davidz90 said: Probably longer than a spring-based solution. It can only fail by ramps shearing off/grinding down over time, and they seem to be almost as bulky as regular teeth. This is an excellent design. It's certainly a clever design, but I'm not so sure about longevity. I can imagine that the centre piece is constantly nipping at the tips of the wedges when freewheeling, and could wear them down quite quickly, which would lead to it not engaging reliably in the other direction. Anyway, we'll find out soon enough! Quote
Jurss Posted June 7 Posted June 7 4 hours ago, aeh5040 said: but I'm not so sure about longevity. What do You expect from toy, form display set? Will You ride with it 10000 km? Quote
Timewhatistime Posted June 7 Posted June 7 @SNIPE, @aeh5040 Thank you for confirmation and explanation! Quote
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