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Bruder 574 RC conversion weekend project!
Hi!
I know there has been a lot of Bruder 574 conversions, but not one like this one.. The goal was to try to convert the Bruder 574 to RC with the very least amount of work during a weekend. (Easter had a long weekend and thus it would be possible) Note that there is no steering servo in this conversion! http://d1t2tbzmskak12.cloudfront.net...der/Bruder.jpg There are some 3D-printed parts in the front and in the back: http://d1t2tbzmskak12.cloudfront.net...ruderParts.jpg The front and rear axles are 30mm aluminum tubing with 2mm walls. I re-used the wheels: http://d1t2tbzmskak12.cloudfront.net...r/IMAG1524.jpg All the wheels are drive by a 12v 24rpm gear motor: http://d1t2tbzmskak12.cloudfront.net...r/IMAG1529.jpg The hubs I got from Ebay didn't have a thread, so I tapped a M4 thread in them: http://d1t2tbzmskak12.cloudfront.net...r/IMAG1530.jpg I 3D-printed a stencil to help guide where the holes should be: http://d1t2tbzmskak12.cloudfront.net...r/IMAG1531.jpg Then I assembled the rear pivot: http://d1t2tbzmskak12.cloudfront.net...r/IMAG1535.jpg http://d1t2tbzmskak12.cloudfront.net...r/IMAG1537.jpg http://d1t2tbzmskak12.cloudfront.net...r/IMAG1543.jpg http://d1t2tbzmskak12.cloudfront.net...r/IMAG1544.jpg http://d1t2tbzmskak12.cloudfront.net...r/IMAG1545.jpg http://d1t2tbzmskak12.cloudfront.net...r/IMAG1549.jpg http://d1t2tbzmskak12.cloudfront.net.../IMAG1549a.jpg http://d1t2tbzmskak12.cloudfront.net.../IMAG1549b.jpg http://d1t2tbzmskak12.cloudfront.net.../IMAG1549c.jpg Cut away the fake axle to make room for wires going from the front to the back: http://d1t2tbzmskak12.cloudfront.net...r/IMAG1558.jpg Assembled the front section: http://d1t2tbzmskak12.cloudfront.net...r/IMAG1559.jpg Like in the rear there is a small screw holding hitting a small hole in the axle that fixes it in the printed part: http://d1t2tbzmskak12.cloudfront.net...r/IMAG1561.jpg http://d1t2tbzmskak12.cloudfront.net...r/IMAG1562.jpg The motors are held in place by two M4 5mm long set screws, one on each side (for balancing the position in the tube): http://d1t2tbzmskak12.cloudfront.net...r/IMAG1563.jpg http://d1t2tbzmskak12.cloudfront.net...r/IMAG1564.jpg I remove one screw from the firgelli actuators and re-insert that into the holder. That way the actuator is fixed inside the holder: http://d1t2tbzmskak12.cloudfront.net...r/IMAG1569.jpg |
Re: Bruder 574 RC conversion weekend project!
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Re: Bruder 574 RC conversion weekend project!
In case anyone wants to try the same approach, here are the 3D files:
The full model in Fusion 360 format: - BruderLoader+v13.f3d The individual 3D-printed parts: - BoomCylinderMount.stl - FrontBottomHolesTemplate.stl - FrontSideSpacer.stl - FrontStructure.stl - FrontTopHolesTemplate.stl - RearAxle.stl - RearAxleMountFront.stl - RearAxleMountRear.stl - WheelBoltsTemplate.stl |
Re: Bruder 574 RC conversion weekend project!
That is awesome! Great conversion, and thanks for offering up files so others can follow your lead.
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Re: Bruder 574 RC conversion weekend project!
Thanks, Frizzen!
Here are some specs on the parts too: - A normal 4ch RC transmitter and receiver (for once no embedded PC :-) ) - 1 x 3S battery ~2000mAh - 2 x Sabertooth 2x5 R/C - 4 x JGA25-370 12V 24RPM - 1 x L12-S Actuator with Limit Switches - 30mm - 100:1 - 12 volts - 2 x L12-S Actuator with Limit Switches - 50mm - 100:1 - 12 volts The steering is controlled by wiring the motors such that both the front and the rear part move as tanks, but in opposite directions. I only use one controller for both the drive and steering. The other controller controls the boom and bucket. The wiring for the drive motors: - Channel 1: Front left motor + rear right motor - Channel 2: Front right motor + rear left motor The first motor controller works in mixed mode. The other in normal mode. Stein :-) |
Re: Bruder 574 RC conversion weekend project!
Awesome conversion very well thought out design. Great job
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Re: Bruder 574 RC conversion weekend project!
Fantastic work! Really awesome stuff, good thinking on the templates as well.
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Re: Bruder 574 RC conversion weekend project!
Thanks, Efroeh and TheBennyB!
Stein :-) |
Re: Bruder 574 RC conversion weekend project!
Very cool, thanks for the detail, I like the different ideas you used!
Jim |
Re: Bruder 574 RC conversion weekend project!
Here are two videos of the first dirt digs:
http://d1t2tbzmskak12.cloudfront.net...deo-dirt-1.jpg http://d1t2tbzmskak12.cloudfront.net...deo-dirt-2.jpg At least it digs normal dirt with small rocks and all, even if it's not a full bucket on each load. :-) Stein :-) |
Re: Bruder 574 RC conversion weekend project!
Man, thx for sharing the files, very kind of you. And job well done.
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Re: Bruder 574 RC conversion weekend project!
Turned out really nice! Thanks for the files! I haven't yet, but will download them just in case I decide to do one of these!
Jim |
Re: Bruder 574 RC conversion weekend project!
I see that I've left out some information:
- The aluminum axle tubes are cut to 135mm length. - The wheel hubs (4mm axle) were bough here: http://www.ebay.com/itm/322385127356 Best regards, Stein :-) |
Re: Bruder 574 RC conversion weekend project!
THANKS for the link to E-bay parts! :bounce: I've been trying to find those for a project I've had laying around. I ordered one each, 3, 4, 5, & 6MM. :) Once I see which one(s) fit the best, I can them buy more of them.
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Re: Bruder 574 RC conversion weekend project!
A great big THANK-YOU, sir for sharing the STL files. With todays addition of a 3D printer, I can now make one of these. I'm excited to get started, just have to wait for the delivery of the Bruder loader to get here................That, & have some spare time. LOL! I know when winter gets here, I'll have more than enough spare time to complete ALL my projects, & then some.
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Re: Bruder 574 RC conversion weekend project!
Thanks, Skeeter! :-)
Congratulations on your newly acquired printer! :-) I've also put the files up on Shapeways if there anyone not owning a 3D-printer but still wants to get the parts made: - https://www.shapeways.com/search?q=s...D+loader&type= I think Shapeways is very expensive, though... There is a third alternative and that is https://www.3dhubs.com/ There you can get the parts printed on someone's 3D printer close to you. Best regards, Stein :-) |
Re: Bruder 574 RC conversion weekend project!
Skeeter,
I'm jealous, sounds like a LOT of fun getting to learn and play with a new 3D printer and converting a loader! You should start a build thread including setting up and using the new printer! Stein, Thanks again for sharing the files and knowledge! Jim |
Re: Bruder 574 RC conversion weekend project!
Thanks, Jim! :-)
Stein :-) |
Re: Bruder 574 RC conversion weekend project!
I bought a smaller radio for my sons to get a better grip:
- https://hobbyking.com/en_us/turnigy-...er-mode-2.html http://d1t2tbzmskak12.cloudfront.net...r/IMAG1605.jpg It did not have self-centering for all the axis on the joysticks, so I opened it up to see if there was just something to screw loose or something like that to get it to self center. But there was a part missing to get the self-centering functionality. I copied the design in Fusion 360 and 3D-printed a new part. - STL file: http://d1t2tbzmskak12.cloudfront.net...tickCenter.stl http://d1t2tbzmskak12.cloudfront.net...r/IMAG1606.jpg http://d1t2tbzmskak12.cloudfront.net...r/IMAG1607.jpg http://d1t2tbzmskak12.cloudfront.net...r/IMAG1608.jpg http://d1t2tbzmskak12.cloudfront.net...r/IMAG1609.jpg Also, the spring was missing. I took that from an old donor radio. http://d1t2tbzmskak12.cloudfront.net...r/IMAG1610.jpg Putting it back into the radio: http://d1t2tbzmskak12.cloudfront.net...r/IMAG1616.jpg http://d1t2tbzmskak12.cloudfront.net...r/IMAG1620.jpg The end result: (now with self-centering on all axis) http://d1t2tbzmskak12.cloudfront.net...r/IMAG1621.jpg Stein :-) |
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