Can we load AR4 Teensy sketch on teensy 3.5 as teensy 4.1 is out of stock in INDIA. Are there any issues if we do this. Thanks in advance.

If we apply loctile for every set screws, will it be easy when dis assembling the ar3 robot?

How to connect two lead screws so that the length of the travel track can be extended ?

There is a mention in the manual that "Make sure the SET SCREWS are tensioned such that there is no play in bearing but not much tension so that the motor and shaft still spin freely in housing" My confusion is that how can we make sure that there is no play in the bearings after inserting SET SCREWS. Shall I tight them until the they just touches the bearings?

If I order AR2 & AR3 Aluminum Kit, Hardware Kits & CAD Combo now, will I get J3 Belt Upgrade Kit in that combo itslef ? or I have to add J3 Belt Upgrade Kit separately ?