Involvement:Expert (understands the inner workings) - Ownership:1 day to 1 week
Brass / Steel gearing right down to the servomotor drive. Standard footprint, useful bag of fittings, standard JR colourway on cable, output shaft splines fit heaps of "after-market" servo accessories, and all after market JR stuff.
LOTS of BAD REVIEWS on the Internet RC Pages, however I've used these in very high load / vibration / "generally Hostile" applications without any trouble at all. Self centering is a known problem, but provided they are loaded well, this seems to be relatively minor.
Well worthwhile stripping, re-lubricating the gear train (and mini ball bearing), and putting a few blobs of hot melt on to the connection wires between the mini PCB and the servo pot / drive motor. There have been anecdotal reports of this model experiencing wire fracture at the PCB / Motor connections.
This is not a "fit and forget" item, but with absolutely minimal regular maintenance these will provide excellent performance, and reliability. Once they start experiencing MAJOR problems, they are cheap enough to cannibalise for scrap, and replace!
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