SNIPE Posted January 10, 2018 Posted January 10, 2018 Hi, I noticed that the 8479 bar-code truck set has two slots for an old 9v motor, one on either side of the truck. What would the purpose of this be? can one motor be used for one drive and the other for the grabber/tipper? That would be cool functionality, especially for a set this old. The motors would just connect to the codepilot itself. There is no reference that you can add two motors according to the instruction manual from what I have seen (unless I missed something) It looks like there is a 24T gear right where the motors 8T gear would be so its like lego intended it to have two motors. Quote
Rudivdk Posted January 10, 2018 Posted January 10, 2018 (edited) The idea is to have one motor, which can be switched to either side of the model. One side is for drive, the other side is for arm/bucket. It's like a predecessor of 42070's switching gearbox... I have the model, but I never tried to fit two motors at the same time. Would probably not work, because when the battery is switched on it starts to drive right away, so you can't control the functions properly. I think it would require 2nd batterybox to make it work independent... Codepilot has only one motor channel/output, so you can't control multiple motors independently with one codepilot alone. Edited January 10, 2018 by Rudivdk Quote
hjxbf Posted January 10, 2018 Posted January 10, 2018 I have 8479, and specifically bought an extra motor to fill both slots when the set was new. Only the motor driving the arm can be hooked up to the Code Pilot; the drive motor needs a separate battery box. I originally used a long cable connected to the old 9V battery box (https://www.bricklink.com/v2/catalog/catalogitem.page?S=5115-1&name=9V%20Battery%20Box&category=%5BService%20Packs%5D%5BTechnic%5D#T=S&O={"iconly":0}), but I am confident that it's possible to fit and use an IR receiver and a small battery box from PF. Having both motors in place and the Code Pilot turned on when driving, makes the rev sounds match the driving - it's a great experience! Quote
leinaud Posted January 11, 2018 Posted January 11, 2018 (edited) I have the set and two motors. I used the train BB and an adapter wire to run from an IR receiver (which is on the other side of the battery box in the photo) to the 9v motor. I also hooked up a servo for steering. Worked well, although it does drive rather slow. When you have both the newer PF items on and the original code reader on, yes, you get all the sounds when driving it around and when you "bump" into a load it will automatically pick it up and put in in the container in back making all the appropriate sounds. Only thing you have to manually change is the loading to dumping function. Kids loved playing around with it since it is fully automated and made its own sounds! Sorry for the blurry photo, snapped it kinda quickly. Edited January 11, 2018 by leinaud only one pic :( Quote
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