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I suspect that you will need a DC powered "travel" CPAP to be able to use it on your C-Dory's batteries. One spec for the auto Dreamstation says it uses 80 W AC power. A cheap cigarette lighter inverter can power it, but it will use about 7 amps DC which will quickly run your batteries down...

Tapering glass back and glassing over it is a standard fiberglass repair procedure. When you taper you don't grind it down to the balsa core you just form a taper on the outer glass layer that forms a bond with the new glass and gives you more strength than just an epoxy plug. David

The weather forecast still is saying it will be cold Tuesday and Wednesday and I must admit I wavered a bit but I have decided to tough it out and come. I know that for most of you this weather is nothing, but not for me as I live in Punta Gorda, Florida where it hasn't gone below 40 at night...

It does look like water got in that penetration and started rotting the core, but nothing near as bad as you see on 40 YO trawlers. So how to fix? Given that the hole is now 2" diameter and it is used for a heavy load, I wouldn't just fill with thickened epoxy, let set and drill a new hole. I...

The long term weather forecast for DeLand (closest town to Hontoon) is showing a strong cold front passing that area Tuesday afternoon bringing some rain and very cold temperatures. The area clears on Wednesday but the high on that day is 57 and the low that night is 39. Brrr! So keep an eye...

Yes. Even though outboard manufacturer's never give fuel consumption data unlike diesels, Boattest.com does test boats with these engines. Their test data shows that the Evinrude Etec 90 uses 11.0 gph at wot to make 90 hp whereas the Honda uses 9.6 gph to make 90 hp. Wot fuel consumption doesn't...

I too like the Evinrude ETEC's, but the under 150 hp versions are still the old Gen 1 engines. The newly designed Gen 2 engines (150 hp plus) beat the 4 cycle competitors in most catagories, particularly torque for quick planing and fuel consumption. The older designed 90 hp ETECs don't do as...

Consider the Yamaha 4 cycle 70 hp outboard. It is just 1 liter so it is light- 258 lbs. I can't speak to whether it will plane a CD 22, but I strongly suspect it would do just fine. It planes my Pompano 23 nicely at 15 mph at 4,600 rpm while propped to reach 6,000 at wot. David

Colby: Part of my rationale is that maximum tow ratings of 1/2 ton trucks have gotten crazy in recent years. Looking back at the Trailer Life Tow Guide for 2007, F150, Chevy 1500 and Dodge 1500s were at about 9,500 lbs max (and that is probably too high). Today as reported in the article they...

Boattest.com just published a good article on selecting the right tow vehicle for your boat: https://www.boattest.com/view-news/5349 The article discusses how to look at the other ratings of the tow vehicle such as GCWR, GVWR and GAWR besides just the simple tow weight rating. One point...

We use our Nissan Pathfinder with 4WD to both tow our camping trailer and our boat. Given some of the rustic campsites we go to I definitely need the 4WD. Have only launched and retrieved our boat a few times and the times I did I engaged 4WD. Since you don't know how steep or wet a boat ramp...

Everyone has different ideas and needs for cleats, tie down eyes, etc. The factory probably installs what most people need and leaves it to the individual to add any additional points. So the suggestion to look at a bunch of boats and talk to their owners is a good one. You can then find out...

It is more than the top. All wiring must be pulled and replaced, otherwise it will cause problems over time as the salt eats away at it. So new top, new wiring, new engine, new door, new interior, cushions and it is still worth not much more than any similar model C-Dory. I wouldn't touch it...

I like the Kaboat. It should paddle decently and a $150 trolling motor and a $100 Group 27 battery should push it quite nicely, enough to go a couple of miles and back before recharging. David

Your description of the various parameters of an oil analysis and their causes makes sense to me as a retired chemical engineer. Thanks for posting. My own experience is from a diesel engine perspective where fuel dilution is much lower, probably due to diesel's higher viscosity than gasoline...

Where is the boat? David

More blades with the same diameter and pitch usually means more load on the engine, thus lower rpms. The lower pitch will increase rpm, but unless you run at wot, it won't increase speed. In my motorcycle days leaking rings on a two stroke let blowby in the crankcase and diluted the incoming...

Same winds here in SW Florida today and tomorrow but better temps (65-70) than the San Juans. The Punta Gorda Christmas Boat Parade is Saturday night. Hope it calms down by then but should be a bit chilly- 45 overnight. David

Aha, I figured it out. You have to open the Marker info tab in the Garmin Active Captain website and then click on Add Marker and it leads you through the process. No need to call. David

Well, I downloaded AquaMap and also bought the perpetual US charts. This is for an iPad mini. I rather like it. It is the only inexpensive tablet app that lets me measure a multipoint route. I used to do this on the old Active Captain but alas Garmin killed that with their new one. I use this a...