falconluan
-
Posts
283 -
Joined
-
Last visited
3 Followers
About falconluan
Recent Profile Visitors
3,334 profile views
-
@1gor I guess you will like the T7 as well, I like its hood better than the T8 -
42207 Ferrari SF-24
falconluan replied to Auroralampinen's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Thank you, your placing of the wishbones are very clever! I will try that before getting the new parts in hands. The differential is still a problem, the tire sizes of a tractor are different, so the trick of your axle doesn't work. Still need to put the differential along the drivetrain yes, the space between typical hub connection points is 11 studs -
@Jundis Thank you. Please check out its rb introduction page for the video https://rebrickable.com/mocs/MOC-212799
-
@steph77 Thanks for the feedback! Seems that eveybody loves new holland Currently working on a T7 Fendt is definitely the brand I will put more love at Only that the shapes of their hood are challenging to build. The older version has some thin lines and planes, the newer version is very curvy...
-
A brief summary of what I've got so far. I've built three large tractors of three brands: Case IH Magnum, New Holland T8, John Deere 8R and their tracked version as well. While I cannot have them built at the same time in real bricks, I put all of them in Studio.io and here is what it looks like: Would like to know which one do you like the best and what tractor you want to see me build in the future Happy building!
-
42207 Ferrari SF-24
falconluan replied to Auroralampinen's topic in LEGO Technic, Mindstorms, Model Team and Scale Modeling
Couldn't agree more! Finally, I can build a 8R with independent front suspension now! On second thought, it may not an easy task still, since there is still no narrow enough CV joints... -
No worries Yes, only one axle carries load in one gear. Maybe I am wrong but I think the less gear involved in transferring load, the less friction will be there. I think the main reason of split axles here is for pre-selecting next gears. Although still figuring out how to synchronize the left two gear selectors to make the upper one move "Left, Right, Right, Left" while make the lower one "Left, Left, Right, Right"...
-
As @Lego Tom's pic above, the bottom axle will also turn since the lower left gear selector is engaged(for pre-selecting the 2nd gear) . Only to note that the flow of the picture should be reversed since the right side is input.
-
Not sure if this has been discussed before(did a quick search and didn't find exactly same stuff though) Trying to build a dual clutch gearbox with "real" dual clutches and this is what I've got so far. The red(right) end is input while the yellow(left) end is output. The right half is the "dual clutch" part, the output speed of the clutches are different, then the output of clutches are connected with two identical 2-speed gearbox thus makes it a 4 speed gearbox. 1st gear, ratio is 12:20 then16:16 = 0.6 2nd gear, ratio is 16:16 then 16:16 = 1.0 3rd gear, ratio is 12:20 then 24:8 = 1.8 4th gear, ratio is 16:16 then 24:8 = 3 As a 4 speed gearbox, it is not as practical as the "standard" type gearboxes, where only 2 gear selectors are enough. It is more a demo of the dual clutch concept. It will only out perform the standard one if the right 2 gear selectors can be "real" clutches which can engage/disengage more smoothly than the left 2 gear selectors. Also the gear change mechnism will be more complex of it. As you can see, the right 2 gear selectors are easy to drive since they have the standard 4 position transition during the gear change process. One 35188 orange shifter will work if one of the clutch is placed "above" the input axle. However, the left 2 gear selectors are hard to drive. Yes, it will be easy if they are allowed to have 4 positions during transition as well, but by doing that way, the gearbox will lose the "dual clutch" advantage and demo purpose completely, since the "pre-select gear" function will be lost. As indicated in the pictures above, ideally the left 2 gear selectors don't stay at neutral postion during gear change. Only one of them will change postion during one gear change process. I'm still in progress of figuring out a working driving mechnism for that. What do you think of this type of gearbox? Please share your thoughts
-
Cool design and a nice match with the tractor Like the tailgate levering system a lot, works and simple
-
@1gor Thank you and I think I've done enough for the C+ system, I will try to build a PF version of the T8 half trac next time. @zoo Thank you for the suggestion The black part supports the headlight can be changed to a blue one at the cost of the loosen headlight but I think it does look better. The DBG 32449 at the side of the hood can be changed to blue one as well since it is now available. Agreed The best part fits the shape and the size is 6575, only it needs LOTs of them lol...
-
Red or blue, which one do you prefer? Finally finished this, it took much longer than I've anticipated. The biggest change is now the front L motor is for steering while the rear one is for driving which is the opposite on my Magnum. The front motor now sits more till the rear to leave space for the hood. To be honest, the motor position is too much towards foward is one of the reason I chose to build a Magnum Now more possibilies are enabled based on the new holland chassis. Other changes include: Front axle is now suspensed Front hitch can self-lock which is only relying on friction before
-
It is definitely worth trying! I do feel that the new parts in recent years help a LOT in building MOCs. I don't think I can build these tractors 5 years ago.
-
As a following up to the wheeled version Magnum, its real world cousin, Magnum Rowtrac is now finished. As their real world counter part, the tracked version is modified from the wheeled one. While the front half of the tractor and the cabin remain the same, the other parts, like rear chassis, rear fenders, central saddle area and of course, the rear tracks are newly designed. The rear track is designed to act as closely as the real one, it is rather complex. As a result, the tracked version has 300 more pieces than the wheeled one(60 of them are track parts).Features: Drive by one C+ L motor Steering by one C+ L motor with steering wheel connected Manually switchable between 4WD/low speed and RWD/high speed modes Pivotable solid front axle Pivotable lower portion of the rear track Adjustable front hitch Adjustable rear hitch Front and rear PTO connected to drivetrain Detailed interior and decorations Modular design and building experience Video: will shoot a video shorterly after Pics: Instruction at RB is here More pics are at here Hope you like it
-
Yes, and I choose to leave more RC functions and possibly a suspended front axle to this project: It has a 3L longer wheel base, which may help accommodate more functions. Thanks @1gor
