Originally Posted by zewill
Thanks à lot for the links! Bummer though, I have ordered the crappy ones i linked. Will they definitely not work or be powerful enough?
Haven't opened my UMX T-28 but my guess is a 6mm motor won't fit in the geared motor housing and it may not have the correct pinion gear. Plus I'd guess the thrust would be unsatisfactory. I'd use the 6mm in a micro scratch plane and get an 8.5mm motor.
The UM SportCubS motor is $10.99 at a LHS selling Horizon product (and would be a nice upgrade) but the life span has really been very variable. Personally, I'd probably try a MicroMotorWarehouse motor like I think was suggested above.