Cleaning, Replacement Parts & Reassembly The housing of the contaminated motor was left to soak in diesel for a few hours to loosen the grok, this has come very clean. I couldn’t have used a stronger solvent here – the magnets are glued in place in the steel housing, I
Trolley Propulsion System: Wheelchair Motor Units So it’s time to get the propulsion system underway for the trolley, a pair of wheelchair motors were sourced for this, from HacMan. Since I don’t know how many hours are on these units, or how they’ve been treated in the past, I’m going
I got one of these to test since I’ve been in need of some small DC pumps for fluid transfer use. At £2 I can definitely afford to experiment. On the eBay listing, these pumps are rated at 3-12v DC, (I thought that was a bit wide of an operating
For a while I’ve wondered how these pancake type (AKA “Shaftless”) vibration motors operate, so I figured I’d mutilate one to find out. These vibrators are found in all kinds of mobile devices as a haptic feedback device, unlike older versions, which were just micro-sized DC motors with an offset
An old IDE interface Zip drive. This fits in a standard 3.5″ bay. Top cover removed from the drive, IDE & power interfaces at the top, in centre is the eject solenoid assembly & the head assembly. Bottom is the spindle drive motor. Head assembly with the top magnet removed.
Here we have a Dremel MultiPro rotary tool, a main powered 125W 33,000RPM bit of kit. Here the field & controller assembly is removed from the casing. Here is the armature, which rotates at up to 33,000RPM. The brushes rise against the commutator on the left, next to the bearing,