Dicknbunny-
I'm no expert on the CD-16, but I think I can safely recommend that you can use the following:
1. You can use 3/8" three strand twisted nylon line for the main rode, instead of 1/2" as in the CD 19, CD 22 and beyond.
2. Your anchor can be in the 7-10 lb range (approx.) in terms of weight.
3. The exact anchor type, as always, depends on bottom types encountered. Check with local knowledge, read the advice here on previous threads, and check out such sources as the West Marine Advisor on Anchoring.
4. 10-15 feet of 3/16" or 1/4" chain is necessary to make the anchor work properly by making sure the pull is horizontal.
5. You'll need an anchor swivel, of course
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6. A windlass on a 16 would be a big space consumer, and I'm not sure if you have an anchor locker that will work for one.
However, if you're using the anchor for fishing and day use only, I can recommend this:
I put a Powerwinch 24 electric winch on my 22 at one point, and it worked great, holding the boat in 18-20 mph winds in the California Delta chop and river currents.
The Powerwinch 24 has 100 foot of 3/16" nylon line (1100 lb test) coiled up on a drum with the motor along inside the self contained unt, which includes an automatic davit and bow roller.
I used an 18 lb river anchor (relies on weight more than hooking power), and it held just fine. The unit will handle a 40 lb anchor (!).
This unit's not for use on the ocean, overnighting, or storm anchoring, but for daytime fishing it's perfectly adequate, IMHO.
Plus the cost is about 1/4 to 1/3 that of a traditional windlass with the necessary gear. ($300 vs $600-$900 + bow roller and other parts.)
The line may seem small, but is very elastic and forgiving. You could substitute a spectra, vectra, or some other type super strong line for the nylon that would have a breaking strength of around 3000 lbs, but you'd lose much of the elasticity which is really nice, forgiving, and gives a comfortable "ride" at anchor.
Another virtue: The 15 amp power demand is much easier on your battery than the typical 40-60 amp demand of most small windlasses.
Give it a look! Joe.